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Durlon® 9600 Compressed Fiber Gasket Material

Expanded PTFE Gasket Material 100% Pure PTFE Resins

Durlon 9600 Sheet Gasket Material


Durlon® 9600 is an EXPANDED PTFE gasket material designed for use in process piping and equipment in chemical, pulp and paper, food and beverage and other general industrial applications where resistance to highly aggressive chemicals is required.

Durlon® 9600 is suitable for use in steel flanges and flanges with irregular surfaces. Style 9600 conforms to FDA requirements.


Durlon® 9600 is made with only pure PTFE resins. It is suitable for use in steel flanges and as well as flanges where a highly compressible gasket is required. Durlon® 9600 is also suitable for sealing flanges with irregular surfaces. It will not exhibit the cold flow problems associated with virgin PTFE or the hardness problems of some other filled PTFE products. It has excellent sealability, cuts easily and separates cleanly from flanges after use.

Typical Properties
Thickness 1/16"
Color: White
Fiber: Pure PTFE
Fluid Service: Aqueous and anhydrous Hydrogen Fluoride, Steam, Oils, Caustics, Alcohols, Liquid & Gaseous Oxygen, Refrigerants

-350°F (-212°C)
600°F (316°C)
500°F (260°C)
Pressure: max, bar (psi) 124 (1,800)
Density: g/cc (lbs/ft3) 0.8 (49.9)
Compressibility, ASTM F36: 40 to 60%
Recovery ASTM F36: 12%
Creep Relaxation ASTM F38: 30%
Sealability: (Nitrogen), cc/min
ASTM F 2378

FDA: Conforms to the requirements of 21 CFR 177.1550 for food and drug contact
ABS-PDA Certificate: American Bureau of Shipping

Note: ASTM properties based on 1/16" sheet thickness except ASTM F38, which is based on 1/32" sheet thickness. This is a general guide only and should not be the sole means of accepting or rejecting this material. The data listed here falls within the normal range of product properties but should not be used to establish specification limits nor used alone as the basis of design.

*For applications above Class 300, consult your representative.

Proposed ASTM Gasket Constants
Thickness 1/16" 1/8"
Gasket Constants
Gb psi (MPa) 1200 (8.3) 1400 (9.6)
a 0.2 0.2
Gs psi (MPa) 3.5 (0.024) 1.5 (0.01)
*Gasket Constants based on proposed ASTM Draft 10.01

Available Sheet Sizes
Nominal Thickness Sheet Sizes Order Code Weight / Sheet lbs (kg)
1.0 mm 60 x 60 1524 x 1600 EX10-060-060 4 (1.8)
1/16" (1.5 mm) 60 x 60 1524 x 1600 EX15-060-060 7 (3.2)
1/8"(3.0 mm) 60 x 60 1524 x 1600 EX30-060-060 14 (6.4)
1/4"(6.0 mm) 60 x 60 1524 x 1600 EX60-060-060 28 (12.7)

Note: 1mm thickness or, 60" x 120" (1.5m x 3m) sheet sizes available on special order, other custom lengths available on request

Warning: Durlon gasket materials should never be recommended when both the temperature and the pressure are at the maximums listed. Properties and applications shown are typical. No application should be undertaken by anyone without independent study and evaluation for suitability. Never use more than one gasket in one flange joint, and never reuse a gasket. Improper use or gasket selection could cause property damage and/or serious personal injury. The data reported is a compilation of field testing, field service reports and/or in-house testing. While the utmost care has gone into publishing the information contained herein, we assume no responsibility for errors. The information and specifications contained in this website are subject to change without notice. This revision cancels and obsoletes all previous editions.

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