Chemraz® SD517

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.

Features & Benefits

No carbon black residue Low-temp capabilities (-30°C/-22°F) 3-A & FDA compliant, meeting the highest purity standards
Compliant to EC1935-2004 per national requirement BfR XXI, category 4 for seals and similar commodity parts
Compliant to USP Class VI

Applications

Mechanical seals
Sampling/metering equipment
Pump housings

Configurations

Mechanical seals
Sampling/meter-ing equipment
Pump housings

Temperature Range

–54°C to 232°C (–65°F to 450°F)

For applications facing extreme temperatures, high pressures, or uniquely challenging operating conditions, our global engineering team delivers fully custom‑engineered solutions. Because every critical environment is different, these designs are developed in close collaboration with you—let’s discuss your requirements to build the right solution.

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