FKM Viton Tri-Clamp Gaskets Fluoroelastomer (FKM) gaskets are a great option for using higher temperatures in a closed-loop system or other steps of the extraction process including filtration and decarbing. FKM offers an excellent chemical compatibility with numerous solvents. FKM Gaskets offer a higher temperature rating and better chemical compatibility than Buna rubber. Key Features: High-temperature range Better compressibility and springiness Excellent resistance to butane and propane Better tear resistance Better chemical resistance USP Certified FDA CFR 177.2600 - Rubber and Rubber-Like Material for Repeated Use/Contact with Food. FDA CFR 177.1550 - Fluorocarbon Resins for Repeated Use/Contact With Food, Dairy & Pharmaceutical Products. Sizes Available: 1.5" 2" 3" 4" 6" 8" - easy on flanged 10" - easy on flanged 12" - easy on flanged Technical Specifications: Material: Viton (FKM) Color: Black Connection Type: Tri-Clamps Conformance: FDA Compliant / Meets 3A Standards Thermal Properties: -Low Temperature Range -49degF -Minimum For Continuous Use (Static) -15degF -Brittle Point -49degF -High Temperature Range +400degF -Maximum for Continuous Use (Static) +400degF Gas Permeability: Excellent Chemical Compatibility: Butane A - Excellent Propane (liquified) A - Excellent Alcohols: -Amyl A - Excellent -Benzyl A - Excellent -Butyl A - Excellent -Diacetone D - Severe Effect -Ethyl A - Excellent -Hexyl C - Fair -Isobutyl B - Good -Isopropyl A - Excellent -Isopropyl A - Excellent -Methyl C - Fair -Octyl B - Good -Propyl A - Excellent BVV is not responsible if incompatible chemicals, solvents, or operating temperatures are used in the user's system.
