
PTFE Screen Gasket Mesh
All PTFE & Tuf-Steel® Gaskets with 100 Mesh Screens include a 10 Mesh backing screen. Due to the flow characteristics of PTFE, this is necessary to ensure entrapment of the screen within the gasket. **These are hard to find items. Stock is limited. PTFE Gasket Features: -100°F to 500°F Temperature Range Excellent heat resistance Almost no extractables Low absorption rate Excellent resistance to process fluids Good stability 316L Stainless Steel Mesh Interchangeable with standard Tri Clamp Gaskets Storing PTFE Screen Gaskets: Shelf Life: 20 Years from cure date Store in original packaging in clean and dry warehouse Do not expose to direct sunlight Keep more than 6′ away from electric motors Maintain temperature between 65°F and 85°F PTFE Gasket Standards Compliance: FDA CFR 21, 177.1550 U.S. Pharmacopeia Class VI Certification USDA Hazard Analysis and Critical Control Points Cytotoxicity Criteria USDA and 3-A Sanitary Standards ASME-BPE Standards for Type I and Type II ADI Free® (Animal Derived Ingredient Free) Current Good Manufacturing Practices (CGMP) 1 = Excellent 2 = Good 3 = Acceptable 4 = Marginal 5 = Poor 6 = Do Not Use Material Cont. Steam Inter. Steam Pure Water Ambient Pure Water Hot Process Fluids Ambient Process Fluids Hot Process Fluid Variables 0°-100°C Temperature Range Tuf-Steel® 1 1 1 1 1 1 1 -350°-550°F Tuf-Flex® 1 1 1 1 1 1 1 -20°-300°F Food-Flex® 1 1 1 1 1 1 1 -30°-250°F PTFE 1 1 1 1 1 1 3 -100° to 500°F Silicone (platinum) 2 2 2 2 2 2 1 -40°-450°F Silicone (peroxide) 2 2 2 2 2 2 1 -40°-450°F FKM 3 2 2 2 2 2 2 -30°-400°F EPDM (peroxide) 3 3 3 3 3 3 3 -30°-300°F Buna 0 0 5 5 5 5 5 -30°-200°F