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Author Archives: sachin

  1. Plastics vs. Polymers: What’s the Difference?

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    Although the terms are often used interchangeably, polymers and plastics are not always the same thing. Polymers can exist organically or be created synthetically, and consist of chains of joined individual molecules or monomers. Plastics are a type of polymer composed of chains of polymers which can be partially organic or fully synthetic.

    Simply put, all plastics are polymers, but not all polymers are plastics. Below, we examine the composition, physical properties, and applications of polymers and plastics to provide a clear explanation of the differences between the two.

    What are Polymers?

    Polymers can occur organically in the form of natural or biopolymers, like wool, cotton, or wood, or they can be synthesized into semi-organic or fully synthetic materials. Synthetic polymers fall into three specific categories:

    1. Elastomers are elastic materials with high flexibility and low strength molecular bonds (like rubber).
      Polymer fibers consist of polymer chains that have stronger molecular bonds than elastomers. Fibers are more rigid and less elastic than elastomers and can be composed of both natural and synthetic materials.
    2. Thermoplastics are more rigid than fibers and elastomers and are distinguished by their ability to retain their molecular structure when exposed to heat. When heated to their melting point, thermoplastics will melt rather than burn, making them ideal for shaping and forming.

    The fundamental structure, physical properties, and uses of a synthetic polymer help to determine its classification. With thousands of polymers in existence, it is important to understand the qualities and uses of polymers to ensure that they are used in the appropriate applications.

    Structure

    The molecular structure of a polymer determines the fundamental properties of the material. When attempting to classify a particular polymer material, the following structural aspects must be considered:

    • Monomer composition. Knowing which monomers make up the polymer chain, how many of each, and the nature of those monomers will help to classify the material.
    • Chain characteristics. The average length and weight of the chains in a polymer help to determine the degree of polymerization and the molecular form of the polymer.
    • Molecular bonds. The structure of a polymer can be determined by the ways in which the monomers are linked to each other and whether or not there are cross-branching bonds between polymer chains.
    • Polymerization method. The means by which the monomers are combined into polymers determines the structure of the polymer, whether it is a naturally occurring process or synthetic polymerization through the use of heat, chemicals, or condensation.

    Properties

    Polymers come in a wide variety of forms and can be further classified based on their physical properties. Some identifying characteristics include:

    • Density
    • Thermal properties
    • Crystalline structure
    • Hardness
    • Tensile strength
    • Machinability
    • Formability
    • Solubility

    Applications

    Polymers can also be categorized by the applications in which they are used. Due to the variety of materials that can be created through polymerization, polymers are useful in a wide range of applications:

    • Formed and molded products
    • Thin films and sheets
    • Elastomers
    • Adhesives
    • Coatings, paints, and inks
    • Yarns and other fibers

    Plastics vs. Polymers

    What are Plastics?

    Plastics are synthetic or semi-organic polymers made from oil or petroleum through the use of chemicals and condensation to induce molecular bonding. Although polymers can occur naturally, plastics are entirely man-made.

    Since plastic contains polymers, however, it displays similar physical properties and versatility, which makes it useful in a broad range of applications. Plastics can be divided into two categories: thermoset plastics and thermoplastics.

    Thermoset Plastics

    Thermoset plastics are heat-hardened into a permanent design. Once they have been shaped, thermosets remain in a fixed form even when exposed to heat again. Once set, thermosets will burn rather than melt when exposed to extreme temperatures. Their high resistances to heat and corrosion make thermoset plastics particularly useful in applications that require reliable precision components that will not change shape or creep when exposed to extreme temperature changes.

    Commonly used thermoset plastics include:

    • Polyurethane
    • Epoxy
    • Phenolic
    • Certain polyesters
    • Phenolic

    Due to their durable and temperature-resistant nature, thermosets are used in a variety of applications, such as:

    • Electronic components and insulators
    • Heat shields
    • Motor parts and covers
    • Household appliances
    • Lighting components
    • Energy equipment

    Thermoplastics

    Unlike thermosets, thermoplastics may be reheated and reshaped without any change to their fundamental molecular makeup. Thermoplastics will melt when exposed to extreme heat, which makes them ideal for forming and molding fabrication processes. They are typically used for plastic products that are not exposed to extreme heat, such as plastic toys, toothbrushes, plastic storage containers, beverage bottles, and other consumer products.

    Thermoplastics are available in two different forms, amorphous and semi-crystalline, based on their fundamental molecular structure.

    • Amorphous thermoplastics. Amorphous thermoplastics consist of polymer chains that are not laid out in any particular arrangement—the polymer strands are jumbled together in an uneven and disorganized fashion. Amorphous thermoplastics have very low heat resistance but are tough at low temperatures. They tend to be clear due to their lack of structure, which makes them useful for plastic windows and lighting fixtures.
    • Semi-crystalline thermoplastics. Semi-crystalline thermoplastics consist of polymer strands in an ordered arrangement, or a crystalline structure mixed with amorphous areas. The amount of crystalline vs. amorphous structure determines the physical characteristics of the plastic. The greater the crystalline organization, the opaquer the material becomes. Semi-crystalline thermoplastics exhibit greater strength, stability, heat resistance, and chemical resistance than their fully amorphous counterparts.

    Thermoplastics encompass a wide range of materials, including:

    • Polyethylene (PE)
    • Polystyrene (PS)
    • Polypropylene
    • Polyvinyl chloride (PVC)
    • Polyester
    • Nylon
    • Thermoplastic olefins
    • Santoprene
    • Acrylonitrile butadiene styrene (ABS)
    • Acetals

    Due to their versatility, thermoplastics are useful in myriad industries and applications, including:

    • Blow molding and injection molding
    • Consumer goods
    • Automotive components
    • Engineering and mechanical parts
    • Medical equipment
    • Storage containers
    • Packaging materials

    Thermoplastics and are easily formable, which makes them ideal for use in blow molding fabrication. The blow molding process uses compressed air to force molten plastic resin into a pre-fabricated mold to create bottles, containers, cases, and other hollow parts and components.

    Blow Molding With OMICO

    With more than 50 years of experience in polymers and plastics, OMICO is pleased to provide exceptional blow-molded products for a wide range of industries, including automotive, medical, household appliances, aerospace, and pet products. Our IATF-16949 Certified facility includes a fleet of cutting-edge blow molding equipment to guarantee the highest quality parts. We use only the purest plastic products directly from the source, Exxon Mobil, and our system includes specialized inspection equipment to ensure that our products are consistent and reliable.

    For more information on our exceptional blow molding capabilities, contact us or request a quote today!

  2. LDPE vs. HDPE: Similarities and Differences

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    Polyethylene is one of the most widely used thermoplastics in the world and can be found in everything from grocery bags to children’s toys to shampoo bottles. It can be categorized into several subcategories based on its molecular structure, each of which demonstrates unique characteristics that make it suitable for use in particular applications. The most common types of polyethylene are:

    • Low density polyethylene (LDPE). This clear or translucent plastic exhibits flexibility, chemical resistance, and waterproofing capabilities. It is used in the manufacture of a wide range of products, including grocery bags, plastic wrap and film, flexible packaging material, and injection molded parts.
    • High density polyethylene (HDPE). HDPE offers greater rigidity and durability than LDPE. It is available in translucent to opaque variation and displays excellent chemical resistance. Products made from HDPE include rigid packaging containers, toys, outdoor furniture and structures, kitchen equipment, and plumbing pipes.

    The following blog post provides a more comprehensive comparison of LDPE and HDPE, outlining the similarities and differences between the two polyethylene variants.

    Similarities Between LDPE and HDPE

    Since they are fundamentally composed of the same polymerized ethylene molecules, LDPE and HDPE share many characteristics. For example, both materials exhibit the following properties:

    • Low material weight
    • Tensile strength ranging from 0.20 to 0.40 N/mm2
    • High impact strength
    • Resistance to chemicals, water vapor, and weathering
    • High recyclability
    • Low cost of manufacture and fabrication

    When employed in injection molding operations, both materials also demonstrate the following:

    • Melt temperatures of 180 ̊ to 280 ̊ C (355 ̊ to 535 ̊ F)
    • Fast injection speeds
    • Drying of finished part not necessary

    The similarities in the above characteristics, among others, make LDPE and HDPE suited to similar applications. Some of the industries that commonly use both materials include:

    • Automotive
    • Electrical
    • Hydraulics and pneumatics
    • Packaging
    • Pipe and piping

    LDPE vs. HDPE

    Differences Between LDPE and HDPE

    While LDPE and HDPE share many characteristics, their fundamentally different internal compositions result in many differences as well. The polymer chains that make up both materials are branched in LDPE, whereas, in HDPE, the polymers have a more crystalline structure. This difference in polymer organization leads to distinct characteristics in each material.

    Differences in Physical Characteristics

    LDPE is softer and more flexible than HDPE. It also has a lower melting point (115° C) and is more transparent. Compared to HDPE, it is more likely to crack under stress.

    HDPE is rigid and durable and offers greater chemical resistance. Its higher melting point (135° C) allows it to withstand higher temperatures than LDPE. Its more crystalline structure also results in greater strength and opacity of the material.

    Differences in Recyclability

    Both LDPE and HDPE are recyclable; however, they must be recycled separately. LDPE is classified under recycling number 4, and HDPE under recycling number 2. Depending on the product, LDPE can also be more difficult to recycle as it is softer and can get caught in recycling machinery. HDPE is easier to transport and run through recycling equipment.

    Differences in Production Methods

    LDPE is produced by compressing monomer ethylene gas in an autoclave or tubular reactor to facilitate polymerization—i.e., the linking of monomers into polymer chains.

    HDPE is created by heating petroleum to very high temperatures. This process releases the ethylene gas monomers, which then combine to form polymer chains.

    Superior Plastic Products From OMICO

    Although LDPE and HDPE share a number of useful characteristics, including high chemical resistance and low solubility, they also have distinct material properties that affect their usefulness in different applications. For molding and shaping stronger and more durable products, HDPE is a much more reliable option than LDPE.

    For more than 50 years, OMICO has been a premier provider of high-quality blow molded plastic parts and components for industries ranging from automotive to toy manufacturing. We accommodate a variety of plastic materials in our molding operations, including HDPE. For more information on our blow molding products and services, contact us or request a quote today.

  3. Blow Molding Design Guide

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    Blow molding is a manufacturing process used to form hollow plastic and glass parts and products. Products produced through this process find application across nearly every industry, including:

    • Automotive
    • Appliance
    • Lawn and garden
    • Pet products
    • Toys

    At OMICO Plastics, we have manufactured blow molded plastic parts for all majors industries for more than half a century, and we are continually expanding our capabilities to encompass new ones. Some of the advantages of working with us include:

    • Project flexibility. Depending on your project requirements, we can deliver a single component or manage the entire process.
    • Product quality. We use Statistical Process Control Programming to eliminate process variation and ensure the quality of our products.
    • Process documentation. We are careful to track and document material use and products at every stage of the production process to provide our customers with greater insight.

    Blow Molding Design Guide

    An Overview of Blow Molding

    Blowing molding offers several manufacturing advantages, such as:

    • Lower labor and production costs. The low pressure blow molding machinery costs less to operate than injection molding and rotational molding machinery.
    • Greater variety in production methods. Further developments in blow molding have led to the creation of several different production methods like extrusion, injection, and injection-stretch blow molding.
    • Broader applications. Plastic bottles are not the limit of blow molding. Today’s manufacturers take advantage of the process to produce a wide range of hollow containers and components.
    • Faster production cycle times. The benefits of automation along with 3D rendering make blow molding production extremely time efficient, allowing for rapid production cycles in large volume.

    Materials Used in Blow Molding

    Various materials are available for different blow molding applications. Material selection takes application specifics like strength and durability, environmental usage, and cost per unit into account. The common materials used in blow molding production include:

    • Polyethylene
    • Polypropylene (glass filled)
    • Nylon
    • Polyethylene terephthalate (PET)
    • Thermoplastic olefins (such as Santoprene™)
    • Acrylonitrile butadiene styrene (ABS)
    • Acetal

    Common Blow Molding Applications

    A complete list of specific blow molding applications would be extensive, but a few examples help to provide some insight into the widespread use of the process. Some common applications are:

    • Automotive boots (protective covers, dust covers, cv covers, shock covers, etc.)
    • Air ducts (HVAC ducts)
    • Refrigerator components (such as conduit, drain tubes, etc.)
    • Dishwasher components (such as conduit, drain tubes, etc.)
    • Laundry components (such as conduit, drain tubes, etc.)

    Blow Molding Capabilities at OMICO Plastics

    At OMICO Plastics, we specialize in blow molding plastics for a variety of industries and applications. As we are employee-owned, every member of our team has a stake in what we produce, which ensures that every product is the best it can be.

    By partnering with us, customers can take advantage of our:

    • Broad range of blow molding capabilities. We offer blow molding capabilities for products ranging from one inch to six feet.
    • Environmental sustainability initiatives. We are conscious of the environment and continually work to maintain an emissions-free plant and recycle waste materials.
    • Award winning service. Our high-level commitment to quality and meeting the needs of our customers has earned us awards from companies like Whirlpool, General Electric, General Motors, and Hoshizaki.

    Contact OMICO Today

    The team at OMICO has decades of experience providing blow molded parts and products to the automotive industry. As we’ve expanded our blow molding capabilities, we’ve attained customers in a broader range of industries, including toy manufacturing, lawn and garden, and pet products. Regardless of our customer’s industry, we provide them with high quality products tailored to their project requirements.

    To increase the value of working with us, we offer several additional services, including:

    • Custom molded product design
    • New product line development
    • Product redesign for improvements or upgrades

    To learn more about our blow molding capabilities or to partner with us on your next project, contact us or request a quote today.

    OMICO Plastics provides blow molding capabilities. Blowing molding uses a variety of plastic and glass materials to produce pro

    Infographic explaining how blow molding works

  4. Injection Molding vs. Blow Molding

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    Manufacturers employ several different processes to create molded plastic parts depending on the part design and application. Injection and blow molding are two of the most widespread and cost-effective means of forming high-quality plastic components. Before deciding on which of these two molding processes to use for a production application, industry professionals should acquire an understanding of the differences between them and their advantages.

    What Is Injection Molding?

    The injection molding process employs precision molds and tooling to produce solid plastic parts.

    The key to this molding process is in the mold. The custom-designed components are made with great detail from stainless steel or aluminum and built to withstand high temperatures and extreme pressures. Additionally, the two halves of the mold require a high precision match to allow for controlled operation and proper part production.

    Once the mold is designed and produced, it can be used for manufacturing operations. The injection molding process begins with the melting of resins or polymers at very high temperatures. The liquid plastic is then injected into the completed mold using high pressure, ensuring that the material reaches all the cavities of the mold. Following the injection stage, the mold is cooled, allowing the plastic to set or harden. When sufficiently cooled, the mold releases the completed plastic part.

    Plastic injection molding provides a number of advantages, including:

    • Development of highly detailed molds with multi-cavity options
    • Precise, cost-effective production of large volumes of small parts
    • Greater material flexibility and color options
    • Better material use efficiency with little scrap or waste

    Injection molding is suitable for production applications that call for high volumes of precision parts. In particular, the process commonly finds application in the manufacture of thousands or millions of the same part ranging from bottle caps, hair combs, and cell phone cases to automotive parts and medical equipment components.

    Injection Molding vs. Blow Molding

    What Is Blow Molding?

    In contrast to injection molding, the blow molding process employs principles similar to that of glassblowing to create hollow parts. Compared to injection molding, the blow molding’s tooling formation stage is not as critical. However, careful monitoring of the molding process is essential due to the increased potential for the development of wall thinning, air leaks, flash, and streaks.

    The blow molding process begins by heating raw plastics materials to temperatures of 350-420 degrees F.  The material is then extruded from the head of the machine as a hollow tube aka parison.  The mold closes around the parison and roughly 80psi is blown into the parison causing it to balloon and take the shape of the mold.  The mold is then cooled, allowing the plastic to “set.”  Once the set time has been reached, the mold opens, and produces the product to the operation.  The part then goes through a degating process which allows inside of the part to be accessible.

    The advantages of plastic blow molding include:

    • Lower production cost when compared with injection molding (depending on plastic shot weight)
    • Lower initial machine investment
    • Elimination of the need for two-part mold components (leading to greater part design flexibility)

    Blow molding is a highly cost-effective means of creating uniform and thin-walled hollow components—such as bottles—for use in a wide range of industries, including consumer products, automotive, medical, and pharmaceutical.

    Contact OMICO Plastics Today for Your Molding Needs

    At OMICO Plastics, we specialize in custom plastic blow molding. However, we maintain the capacity to provide our clients with injection molded parts through our partnerships with trusted, local injection molding companies. Although the automotive industry is our primary focus, we also manufacture quality molded components for toys, pet supplies, appliances, and lawn and garden equipment.

    The primary advantages gained from working with the OMICO team include:

    • Employment of specialized part inspection equipment (for more effective quality control)
    • Use of the purest polyethylene (PE) AL55-003 plastic purchased directly from the manufacturer (for greater production consistency)
    • Commitment to open communication with the customer (we will never switch components or products with approval)
    • Streamlined automation (making it easier for customers to get an accurate quote)

    To learn more about our molding capabilities, visit our capabilities page or contact us. To partner with us for your next project, request a quote today.

    Infographic explaining the difference between the injection molding vs blow molding

  5. Thermoplastic Properties and Applications

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    Materials can make or break a product. While blow molding and other plastic molding processes use a wide variety of resins, that doesn’t mean every resin is right for your product. Once you isolate the expected applications for your product, select a resin with the properties that best fit those applications.

    Here are a few questions you should ask yourself during product development to ensure you select the appropriate resin:

    • Does the product need to be finished and colored?
    • How impact-resistant does it need to be?
    • Should the final item be rigid, flexible, or somewhere in between?
    • Is this a product meant for children?
    • What regulatory requirements apply to it?
    • Should it be food safe?
    • Is it close to a heat source?

    Plastic Properties

    There are five commonly available types of plastic used for resins. Each of them possesses distinct characteristics, and some plastics have subtypes with even more unique properties. One of these types of plastics will be suitable for nearly any project.

    Acetal

    Acetal plastics are ideal for prototypes. The material provides high impact resistance and a low degree of friction. However, acetal doesn’t pair well with 3D printing manufacturing methods. Acetal is also known by the brand name Delrin®.

    Acrylonitrile Butadiene Styrene (ABS)

    Strengths of ABS include:

    • Ease of machining, finishing, and painting for prototype runs
    • Ideal for injection molding and 3D printing due to a low melting point
    • Impact resistance
    • Resistance to corrosive chemicals
    • Sturdiness

    Due to its low melting point, ABS won’t pair well with high-temperature applications and fabrication processes. Also, thought non-toxic, ABS can’t be used for medical implants.

    Polyethylene

    Polyethylene has three distinct subtypes:

    • High-density polyethylene (HDPE) is stiff, strong, and relatively resistant to chemical damage. Common applications include detergent bottles and cutting boards.
    • Ultra-high molecular weight (UHMW) polyethylene is very dense and manufacturers can spin the material into threads. Common applications include composites such as those used in bulletproof vests, because the material has a higher tensile strength than steel.
    • Low-density polyethylene (LDPE) has a lower tensile strength, and the material is very flexible. Disposable plastic bags are one of the most most common applications for LDPE.

    Polyethylene is a preferred plastic for a wide variety of product types and industries because of its versatility. It can come in many different forms, and each subtype can be processed into unique materials. Polyethylene is non-toxic and food-safe in its solid state.

    Polypropylene

    Polypropylene has distinct strengths and weaknesses. Common applications include internal parts such as gears and living hinges. Its strengths include:

    • Chemical resistance in most circumstances
    • Elasticity
    • Electrical insulation properties
    • Fatigue resistance
    • Low density
    • Low friction
    • Toughness
    • Transmissivity

    Many manufacturers and product designers prefer polypropylene for applications that require a low degree of friction because its surface is slippery.

    Polypropylene does have some disadvantages that will make it unsuitable for certain projects. Some of these include:

    • Difficulty bonding
    • Flammability
    • Oxidation risks
    • Poor chemical resistance (for aromatics and chlorinated solvents)
    • UV degradation

    Thermoplastic Olefins

    Santoprene™ is a commonly used example of a thermoplastic olefin. These materials have many of the same characteristics of rubber, but they have lower weights and are easier to process.

    Thermoplastic Properties and Applications

    Industrial Applications

    Plastics are used across almost every industry to create products and parts. Identifying similar products that use plastic can help you choose the right resin and fabrication processes for your industry and application.

    Examples of common applications by plastic type include:

    ABS

    Typical uses for ABS include:

    • Housings
    • Packaging

    Polypropylene

    Due to polypropylene’s slippery feel and capabilities in low-friction applications, manufacturers use this material to create items such as:

    • Contact points for furniture and heavy products
    • Electronic components
    • Gears
    • Liquid containers for products such as cleaners and first aid kits
    • Living hinges
    • Packaging
    • Promotional tote bags and other products that require plastic fabrics
    • Toys

    Polyethylene

    Since polyethylene doesn’t bleed into the products it comes in contact with, it’s commonly used for food and chemical packing, such as:

    • Food containers
    • Milk and juice bottles
    • Plastic bottles for soaps/detergents/shampoos
    • Motor oil containers
    • Food package caps

    Acetal

    Acetal possesses some of the same slippery characteristics as polypropylene. Typical uses for acetal include:

    • Contact points
    • Guitar picks
    • Gears
    • Pinch valves
    • Plastic buckles

    Thermoplastic Olefins

    Common uses for thermoplastic olefins include:

    • Gaskets
    • Hose connectors
    • Knife handles
    • Seals for doors, ovens, and windows
    • Tool grips
    • Wiring and cabling

    Thermoplastics and OMICO Plastics

    OMICO Plastics is a leading manufacturer of plastic products. Our team can produce prototypes and full production runs with ABS, acetal, polyethylene, polypropylene, and thermoplastic olefins. Our facility is equipped with the tools to blend plastics together to create unique materials targeted to specific applications.

    We have extensive experience in blow molding high-quality plastic parts, including:

    • Air ducts
    • Automotive boots and protective covers
    • Bin doors
    • Carafes
    • Dishwasher parts
    • Foodservice panels
    • Insulated plates
    • Refrigerator drain tubes
    • Serving trays
    • Vacuum cleaner parts
    • Water reservoirs

    Contact our team to learn more about our blow molding capabilities.

  6. Food Grade Plastic: What’s Safe & What’s Not

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    What Is Food Grade Plastic?

    “Food grade plastic” is best defined as food safe plastic. The term refers to any plastic suitable for contact with consumable food or drink products. As some acidic foods or liquids can leach chemicals from their containers, it is important that they are stored in appropriate containers.

    The Food, Drug, and Cosmetic Act passed by the U.S. Food and Drug Administration (FDA) defines a food-contact substance as one intended for use in food manufacturing, packing, packaging, storage, and transportation applications without the risk of technical effect occurring in the food material. The “technical effects” referred to in this definition include leaching, which affects the taste of food and beverages and poses a potential risk to human health when affected material is consumed.

    Food Grade Plastics Approved By The FDA

    You don’t have to be a plastics expert to determine whether a material is food grade. The easiest way to check is to look for the Resin Identification Code—i.e., recycling number—which identifies the type of plastic material. The code consists of a triangle of arrows surrounding a number between 1 and 7. Generally, numbers 1 through 7 indicate food grade plastic.

    Some examples of FDA-approved food contact substances include:

    Polyethylene Terephthalate (PET or PETE) – Code 1

    PET demonstrates excellent wear resistance, high strength and flexural modulus, and superior dimensional stability (i.e., impact resistance).

    Polypropylene (PP) – Code 5

    PP has a high melting point and exhibits excellent thermal resistance, making it an ideal plastic for use in the microwave or dishwasher. Additionally, the material does not produce a reaction when exposed to acids, bases, or detergents and resists fracturing and stress even when flexed.

    High-Density Polyethylene (HDPE) – Code 2

    HDPE has a high strength-to-density ratio, meaning it is strong and lightweight. Additionally, it demonstrates resistance to mildew, mold, rot, and insects, as well as to corrosion, cracking, and weathering.

    Low-Density Polyethylene (LDPE) – Code 4

    Compared to many other resins, LDPE is thinner. Although it commonly finds use in film applications where heat sealing is needed, it is also used for rigid applications. The material is tough, flexible, and chemical and impact resistant.

    Polycarbonate (PC) – Code 6

    Although Polycarbonate is FDA approved, there has been ongoing concern about the health effects of bisphenol A (BPA)—a key component in the manufacture of polycarbonate. Currently, the FDA states that very low levels of BPA are safe in food applications.

    PC exhibits good heat resistance and thermal stability, high impact resistance, and dimensional stability. It is half the weight yet 250 times the strength of glass.

    Food Grade Plastics

    Shared Features of Food Grade Plastics

    In general, food grade plastics (or food safe plastics) are characterized by:

    • Excellent wear resistance
    • High strength and flexural modulus
    • Superior dimensional stability

    Common Uses of Food Grade Plastic Types

    There are several varieties of food grade plastic material available, each of which is suitable for different food applications. For example:

    • Polyethylene terephthalate, PET or PETE (Code 1): single-serving beverage bottles (e.g., soft drinks, sports drinks, water, etc.) condiment bottles (e.g., salad dressing, ketchup, oil, etc.), vitamin bottles, peanut butter jars
    • High-density Polyethylene, HDPE (Code 2): juice and milk jugs, grocery bags, squeeze bottles (e.g., butter, vinegar, chocolate syrup, etc.)
    • Polyvinyl Chloride, PVC (Code 3): shrink/cling wrap, sandwich bags, tamper-resistant seals
    • Low-density Polyethylene, LDPE (Code 4): can lids, bread bags, six-pack rings, produce bags
    • Polypropylene, PP (Code 5): medication bottles, dairy containers, food storage boxes
    • Polystyrene, PS (Code 6): plastic cutlery, coffee cups, takeaway containers and trays

    Food Grade Plastic Products From OMICO

    We hope this page has been useful in educating you about the different types of food grade plastic, the different benefits of each type, and the common uses.

    At OMICO Plastics, we pride ourselves on our flexibility and on-time delivery rates for plastic products, including ones made with food grade plastics. Whether you are looking for food service panels, carafes, serving trays or insulated plates, OMICO can meet your requirements.

    To learn more about our offerings, visit our products and capabilities page. For assistance in selecting a food grade plastic for your unique application, contact us or request a quote to discuss your requirements and concerns with an OMICO expert.