ECS-T – ENVIRONMENTAL CONTAINMENT PTFE SHEET GASKET

Temperature Limit

–210°C (–346°F) to 260°C (500°F)

Pressure Limit

ECS-W and ECS-T: 83 bar g (1200 psig)
ECS-B: 55 bar g (800 psig)

Chemical Resistance

pH 0 to 14 inert to all common chemicals except molten alkali metals, fluorine and certain fluorine bearing compounds.

Sealability (ASTM F-37a) @ .7 bar g

ECS-W: 0,04 ml/h
ECS-T: 0,20 ml/h
ECS-B: 0,12 ml/h

Compressibility (ASTM F-36a) @ 5000 psig

ECS-W: 5 to 15%
ECS-T: 7 to 12%
ECS-B: 30 to 50%

Sealability (DIN 3535)

< 0,015 cm3/min

Creep Relaxation (ASTM F-38B)

ECS-W: 25% maximum
ECS-T: 18% maximum
ECS-B: 40% maximum

Recovery (ASTM F-36a) @ 5000 psig

ECS-W and ECS-T: 40% minimum ECS-B: 25% minim

Tensile Strength (ASTM F-152)

2000 psig; (14 MPa)

P x T Factor

12,000 (°C x bar g)
350,000 for 1/16″; (°F x psig)
8,500 (°C x bar g)
250,000 for 1/8″; (°F x psig)