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ECS-BPTFE Food gradeECS-B is a FDA approved structured PTFE sheet gasket suitable for chemically aggressive services. It is recommended for services with water, steam hydrocarbons, hydrogen peroxide, solvents, refrigerants, cryogenic products, caustics and strong acids. | 
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| Temperature Limit | -210°C (-346°F) to 260°C (500°F) |
| | Chemical Resistance | pH 0-14 except molten alkalii metals, fluorine and certain fluorine bearing compounds. |
| | Pressure Limit | Full vacuum to 210 bar g (3000 psig) |
| | Creep Relaxation (ASTM-F38) | 40% maximum |
| | Recovery (ASTM-F36) | 25% minimum |
| | P x T = | 12000(°C x bar g) 350,000(°F x psig) for1,6 mm (1/16"); 8500(°C x bar g) 250,000(°F x psig) for 3,2 mm (1/8") |
| | Sealability (ASTM-F37) | (DIN 3535): <0,015 cm3/min (ASTM F-37A) @ 0.7 barg: 0,12 ml/h |
| | Tensile Strength | (ASTM F-152): 14 MPa (2000psig) |
| | Compressibility | (ASTM F-36A)@5000psig : 30-50% |
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