ASTM F104 F712120E22M5

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Service Limits

Temperature Limits
Maximum750°F (400°C)
Continuous Max460°F (240°C)
Pressure Limits
Maximum1595 psi (110 bar)
Continuous Max725 psi (50 bar)
ASTM F104Line Call OutF712120E22M5
ColorGreen, White, or Blue
Available Sheet Sizes
Thickness1/64", 1/32", 1/16", 3/32", 1/8"
Sheet Sizes59" x 63"
59" x 126"
118" x 126"

Typical Physical Properties

ASTM Test MethodPropertyValue
-Density109 lb/ft^3 (1.75 gm/cc)
F36Recoverymin 45%
F38Tensile Strength Across Grain1670 psi (11.5 N/mm^2)
F495Ignition LossMax 34%
F146Thickness Increase After 5 Hour Immersion
-ASTM IRM 903 @ 300°F (150°C)Max 12%
-ASTM Fuel B @ 77°F (25°C)Max 10%
F136Weight Increase After 5 Hour Immersion
-ASTM IRM 903 @ 300°F (150°C)Max 15%
-ASTM Fuel B @ 77°F (25°C)Max 15%
F38Creep Relaxation25%
-Torque Retention (DIN 52913)28 N/mm^2
F37Sealibility at 1000 psi0.25 ml/h


Style NA1001 is a compressed non-asbestos sheet gasket material produced from a combination of
aramid and other synthetic fibers and bonded with nitrile rubber (NBR). It is manufactured through the hot
calendar process under rigorous quality control standards that are registered under ISO-9001 certification.

Application / Service

Style NA1001 is a very good general service gasket material that has numerous applications in the process
industries and in the water and wastewater industry. It is also commonly used in equipment such as valves
and pumps. Style NA1001 is suitable for service handling the following general media categories:

  • Mild inorganic acid
  • Mild organic acid
  • Refrigerants
  • Diluted alkalis
  • Water
  • Brine
  • Aliphatic Solvents
  • Industrial gases
  • Animal oils
  • Synthetic oils
  • Vegetable Oils
  • Petroleum and Derivatives
  • General chemicals
  • Neutral solutions
  • Air

Comparable to

  • Chesrterton 455
  • Crane 2160
  • Durabla 7900/ 7950
  • Durlon 8500
  • Flexitallic 2400
  • Garlock 2900/ 2950
  • JW Clipper Leader Gasket NA600
  • Lamons L-430
  • Thermoseal (Klinger) C4401/ C4300

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