spacer Phelps Industrial Products, Inc. spacer
spacer Home Compressed Gasket O Rings, Molded Parts Fast Fix spacer
spacer Contact Us Gasket Material Metal Gaskets Additional Products spacer
spacer Gaskets Compression Packing Marine Products Cautions & Waranty spacer
spacer spacer spacer
Style 7536

PTFE Gasket Material

This gasket material is made with 100% Virgin PTFE and uses Barium Sulfate as the filler.

This PTFE sheet is manufactured by a unique process that structures the composition into fibers that overcome creep relaxation and/or cold flow.  Cold flow is a problem associated with plain PTFE sheet.

It is suitable for use in aggressive chemicals including sodium and potassium hydroxide, hydrogen and aluminum fluoride, chrome plating solution and vinyl compounds.

Off White

pH Range
0 - 14

Max. Pressure
1200 psi (83 bar)

-350°F (-210°C) to +500°F (+260°C)

P x T Max.   PxT = PSI x °F (Bar x °C)
350,000 (12,000) 1/16" Thk.
250,000 (8600) 1/8" Thk.

It is suitable for services with general service in wide variety of fluids: steam,  caustics, moderate acids, chlorine, gases,  hydrocarbons, hydrogen fluorides, aluminum fluoride and chrome plating solutions.

Typical Physical Properties
Test Method Physical Property Style 7536
ASTM F 36A Compressibility Range @ 5000 psi

Recovery @ 5000 psi

4 - 10%


ASTM F 37A Sealability .04 ml/h
ASTM F38 Creep Relaxation 11%
ASTM 152 Tensile Strength 14 Mpa
ASTM D 792 Specific Gravity 2.90 g/cm3
DIN 3535 Sealability <.015 cm3/min
ASTM tests are based on 1/32" sheet thickness and DIN test is based on 1/16" sheet thickness.
Gauge 1/16", 1/8"
Sheet Size 59" x 59"
Phelps Industrial Products, Inc., 6300 Washington Boulevard, Elkridge, Maryland 21075-5397