Ethyl vinyl acetate (EVA) exhibits good thermal characteristics and a high degree of flexibility. EVA is a transparent thermoplastic elastomer. It remains flexible at low temperatures and resists cracking. Brand names include: Ultrathene® (Quantum), Elvax® (DuPont), Evalca® (Eval).
Nylon, comprising several grades of polyamides, is a general-purpose material in wide use; it is tough and resistant to most oils, gasoline, etc., and has good pressure ratings.
Polyurethane is a diverse class of materials exhibiting good elongation, recovery and toughness properties. They are flexible and have good abrasion resistance. (NOTE: The urethanes of the plastics industry are so named because the repeating units of their structures resemble the chemical urethane.) Trade names include Texin® (Bayer), Adiprene® and Vibrathane® (Uniroyal Chemical), Estane® (B F Goodrich), Genthane® (General Tire and Rubber), Millathane®, and Pellethane® (Dow Chemical).
Polyvinyl chloride (PVC) is a widely used material that has good flexibility, smooth surface, and nontoxic qualities. Some grades are used in food and chemical processes due to the inert nature of PVC. Brand names include: ACP® and Dural® (Alpha Gary), Geon® (Geon), Benvic® (Solvay), Flexalloy® (Teknor Apex).
Polyethylene (PE) exhibits impermeability to gases and fluids and is frequently used for food and chemical grade application. A semi-crystalline (typically around 50%), whitish, semi-opaque commodity thermoplastic that is soft, flexible and tough - even at low temperatures - with outstanding electrical properties but poor temperature resistance. It also has very good chemical resistance but is prone to environmental stress cracking; it has poor UV resistance (unless modified) and poor barrier properties, except to water.
Cross-linked polyethylene (PEX) is a thermoset material made from medium or high density, cross-linkable polyethylene meeting the requirements of ASTM F876 and F877. Introduced into the United States in the 1980's, PEX has replaced polybutylene (PB) as the most widely used flexible plumbing tubing. PEX is recognized as acceptable for water distribution tubing in most model plumbing codes.
Polypropylene is a thermoplastic material exhibiting excellent cold flow, bi-axial strength, and yield elongation properties. It is similar to PVC but can be used in exposed applications because of its resistance to UV, weathering, and ozone.
Polytetrafluoroethylene (PTFE) is an insoluble compound that exhibits a high degree of chemical resistance and a low coefficient of friction. It is sometimes marketed in proprietary classes of materials such as Teflon®, a registered trademark of DuPont Dow Elastomers.
PFA is used for temperature requirements of 500°F (250°C); PFA exhibits very good chemical resistance and dielectric properties. Brand names include Teflon® (Dupont Dow Elastomers), Chemfluor® (Norton Performance Plastics), Neoflon® (Daikin), Hostaflon® (Hoechst), Hyflon® (Ausimont).
Polyvinylidene fluoride (PVDF) exhibits resistance to oxidants, acids, and other chemicals. It also exhibits a high degree of fire resistance. PVDF is a melt processable fluoropolymer. It is similar in properties to other fluoropolymer, but has better strength and lower creep than the other members of this family. PVDF has good wear resistance, and excellent chemical resistance. But does not perform well at elevated temperatures. Brand names include: Kynar® (Elf AtoChem).
Polyketones, such as PEEK, PEK and PEKK are high-performance thermoplastics based on a highly polar ketone groups in the polymer backbone. Polyketones have a melting point in the range of 255 degrees Celsius, exhibit good solvent resistance and have good mechanical properties.
Tygon® is a proprietary class of materials and formulations developed specifically for fluid transport tubing in many applications. Tygon® is a registered trademark of Saint-Gobain Performance Plastics.
AdvantaPure® is a proprietary class of materials and formulations developed specifically for fluid transport tubing in many applications. It is a registered trademark of NewAge Industries.
Other unlisted, proprietary, or specialized material.
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This is the full-required range of ambient operating temperature.
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The tube has more than one color to it. Multiple colors on a single tube.
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Tubing is flexible and with long continuous runs. Can either be coiled as if wrapped around a reel or in a coil format looking and acting like a spring.
Designed not to burst or explode in the event of an interior explosion. Explosion-proof devices are constructed to withstand internal explosion of a specified gas, vapor or dust.
Other unlisted, specialized, or proprietary feature.
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Other unlisted, specialized, or proprietary application.
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