
Greene Tweed’s Chemraz® 517, a perfluoroelastomer, is a white specialty compound, perfect for applications where contamination from carbon black must be prevented. Chemraz® 517 has a Shore A hardness value of 80. Because of its wide temperature range, -22°F to 428°F (-30°C to 220°C), Chemraz® 517 is well suited for use in a range of applications, from mechanical seals to mixers. Available for use as o-rings, gaskets, and many other custom shapes.