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  • EPTFE Gaskets
EPTFE Gaskets

EPTFE Gaskets

EPTFE Gaskets

EPTFE (Expanded PTFE) is a Universal sheet EPTFE gasket material for most services. Seals rough and irregular surfaces. Made from biaxial oriented expanded PTFE sheeting that is laminated to the required thickness. Seals of up to 3000+psi can be achieved depending on the flange type & design and type of media being sealed. Chemically resistant over the Q-14 pH range. Specific gravity: 4 to 6. Suitable for temperatures to 600°F.


EPTFE Gaskets – The EPTFE variant of the gaskets have high creep resistance and can be used with medicine as well as food processing industries. They are non-corrosive, has best insulation available and is fully odorless for smooth operating.


ASTM Test Method Physical Properties Values
F 37 Sealability ASTM Fuel A (isoctane): Gasket load, 500 psi (3.5 N/mm2) Internal Pressure, 9.8 psi (.7 bar) Nitrogen: Gasket Load, 500 psi (20.7N/mm2) 0.0 ml/hr .16 ml/hr
F 36 Compressibility 68%
F 36 Recovery 12%
F 38 Creep Relaxation 32% at 212°F 16% at 73°F
F 495 Ignition Loss 30%
F 146 Weight Incease After Five Hour Immersion ASTM Oil #1 @ +300°F (+150°C) ASTM Fuel IRM 903 @ + 300°F (+150°C) ASTM Fuel A @ + 70-85°F (+21-29°C) ASTM Fuel B @ + 70-85°F (+21-29°C) N/A
F 146 Thickness Incease After Five Hour Immersion ASTM Oil #1 @ +300°F (+150°C) ASTM Fuel IRM 903 @ + 300°F (+150°C) ASTM Fuel A @ + 70-85°F (+21-29°C) ASTM Fuel B @ + 70-85°F (+21-29°C) N/A
F 152 Tensile Strength Across Grain 1/16" thick - 1600 psi (11 N/mm2) 1/16" thick - 1600 psi (11 N/mm2)
DIN 3535 Part 4 Gas Permeability Nitrogen: Internal pressure: 580 psi (40 bar) Gasket Load: 4640 psi (32 N/mm2) N/A

 

 

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