Ethylene tetrafluoroethylene (ETFE) is a thermoplastic copolymer derived from the polymerization of ethylene and tetrafluoroethylene monomers. These materials are extremely tough and abrasion-resistant having excellent chemical resistance and continuous operating temperatures up to 150°C (300°F). ETFE is also an excellent electrical insulator and has good nonstick and low-friction properties. The Everflon ETFE JP40 coatings listed above represent a new, improved formulation of ETFE resins. All of the ETFE coatings listed above are now suitable for food contact end uses. Using appropriate product combinations. coating systems are now available for use in a wide variety of applications ranging from thin-film systems (75- 250 µm [3-10 mill) for service involving abrasion resistance or mild chemical service. to thick-film systems (up to 1300 µm 150 mill) for linings where excellent chemical protection is required.
Thick-film Everflon™ ETFE coatings have been improved for application in thicker films per coat and for better sag resistance when approaching the final thickness. The application technique involves a spray-and-bake procedure whereby multiple coats, sprayed and baked individually, are used to achieve the desired final fi lm thickness. The resulting finish is tough, seamless. and without pinholes-perfect for applications in harsh chemical environments. The relative chemical inertness of Everflon™ ETFE also makes it ideal for applications where maintaining product purity is critical.
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