Plastic Sheet and Plastic Film

Plastic sheet and plastic film is formed to a precise thickness and used in many different applications. They use many different chemical systems. Choices include: acrylonitrile-butadiene-styrene (ABS), acetal or polyoxymethylene (POM), acrylics, cyanoacrylates, epoxy resins, ethylene copolymers, fluoropolymers, ionomer polymers, liquid crystal polymers (LCP), ketones, phenolic and formaldehyde resins, polyamides, polyamide-imides (PAI), polycarbonate, and polyethylene (PE, HDPE, UHMW PE). Plastic sheet and plastic film is also based on polyethylene terphthalate (PET), polybutylene terphthalate (PBT), polyesters and vinyl esters, polyether imides, polyether block amide (PEBA) resins, polyimides, polyolefin, polyphenylene oxide (PPO), polyphthalamide, polypropylene (PP), Polysulphide (PPS),  Polysulphone, and polyurethane (PU, PUR). Other chemical systems for plastic sheets and plastic films include: styrene, polystyrene, and styrene copolymers; silicone; and polyvinyl chloride (PVC), polyvinylidene chloride (PVDF), polyvinyl vinyl acetate (PVA), and polyvinyl alcohol (PVOH).  

Plastic sheet and plastic film differ in terms of thermal, mechanical, electrical, and optical properties. Filler materials and intended application also vary by product type. Thermal specifications include use temperature, deflection temperature, thermal conductivity and coefficient of thermal expansion (CTE). Tensile strength (break), tensile modulus, and elongation are important mechanical parameters. Electrical and optical properties for plastic sheets and plastic films include electrical resistivity, dielectric strength, dielectric constant or relative permittivity, index of refraction, and transmission. Some plastic sheet and plastic film use aramid fibers, chopped fibers, carbon fillers, glass powders, metal powders, and other mineral or inorganic materials. Unfilled products are also available. In terms of applications, plastic sheet and plastic film are often used in aerospace, automotive, electronics, optoelectronics, food processing, semiconductor, marine, medical, and military applications. 

Dimensional specifications and features are important considerations when searching for plastic sheet and plastic film. Overall thickness, overall width, and overall length are specified in English units such as inches (in) or metric units such as centimeters (cm) or millimeters (mm). In terms of features, some plastic sheets and plastics film provides anti-static control, protection against electrostatic discharge (ESD), and shielding from electromagnetic interference (EMI) or radio frequency interference (RFI). Other plastic sheet and plastic film is flame retardant, flexible, dampening, or approved by organizations such as Underwriters Laboratories (UL). Plastic sheet and plastic film that provides electrical and/or thermal insulation is also available.

• Labthink A001-2007 Test Methods for Organic Vapor Transmission Rate through Plastic Film ands Sheet
  This isostatic test method covers the determination of organic vapor transmission rate through plastic films and sheeting using Flame Ionization Detector (FID) of gas chromatography method. This...
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• Web Coaters and Roll Coaters
  Web coaters and roll coaters are used to rapidly apply controlled layers of paint, protective films, adhesives and other types of coatings onto the surface of paper, plastic film, coil stock, metal...
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• Paintless parts
  Insert-molded films can put weather-resistant, Class-A skins on large plastic components. Designers used to transforming metal parts into plastic might be intrigued by the idea of getting a glossy,...
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Part Numbers for Plastic Sheet and Plastic Film