Garlock GYLON® 3502 PTFE Gasketing, Silica Filler, Oxygen Service

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Garlock GYLON® 3502 PTFE Gasketing, Silica Filler, Oxygen Service
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE)
Material Notes:	PTFE with silica filler - Oxygen service Improved sealing performance over conventional PTFE Unique manufacturing process minimizes cold flow problems typical of skived and expanded PTFE sheets Excellent bolt torque retention Withstands a wide range of chemicals for extended service life Media: Strong acids (except hydrofluoric), Solvents, Hydrocarbons, Water, Steam, Chlorine, Cryogenics Information provided by Garlock Rubber Technologies
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Physical Properties	Original Value	Comments

Permeability	0.015	Gas Permeability, cc/min; DIN 3535 Part 4

Mechanical Properties	Original Value	Comments
Tensile Strength	2000 psi	across grain; ASTM F152

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	500 °F @Pressure 8.27 MPa	Continuous
Minimum Service Temperature, Air	-450 °F

Descriptive Properties
Color	Fawn
Compressibility, %	7-12	ASTM F36
Creep Relaxation, %	18	ASTM F38
Sealability ASTM F37B, ml/hr	0.22	ASTM Fuel A

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PGARL812 / 157520

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