ASTM F104 F712290E33M4

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Service Limits

Temperature Limits
Maximum750°F (400°C)
Continuous Max480°F (250°C)
Pressure Limits
Maximum1560 psi (70 bar)
Continuous Max1140 psi (50 bar)
ASTM F104Line Call OutF712290E33M4
Available Sheet Sizes
Thickness1/64", 1/32", 1/16", 3/32", 1/8"
Sheet Sizes59" x 63"
59" x 126"

Typical Physical Properties

ASTM Test MethodPropertyValue
-Density96 lb/ft^3 (1.7 gm/cc)
F36Recoverymin 45%
F152Tensile Strength1450 psi (10 N/mm^2)
F495Ignition LossMax 37%
F146Thickness Increase After 5 Hour Immersion
-ASTM IRM 903 @ 300°F (150°C)Max 20%
-ASTM Fuel B @ 77°F (25°C)Max 15%
F136Weight Increase After 5 Hour Immersion
-ASTM IRM 903 @ 300°F (150°C)Max 25%
-ASTM Fuel B @ 77°F (25°C)Max 15%
F38Creep Relaxation23%
-Torque Retention (DIN 52913)40 N/mm^2
F37ASealibility at 1000 psi0.3 mL/h


Style NA1090 is a compressed non-asbestos sheet gasket material produced from inorganic fibers, reinforced filler and bonded with nitrile rubber (NBR). It is manufactured through the hot calendar process under rigorous quality control standard that are registered under ISO-9001.

Application / Service

Style NA1090 is a general purpose Compressed Non-Asbestos sheet gasket material suitable for services with the following general media categories:

  • Mild inorganic acid
  • Mild organic acid
  • Diluted alkalis
  • Steam
  • Water
  • Brine
  • Synthetic oils
  • Industrial gases
  • Animal oils
  • General checmicals
  • Vegetable Oils
  • Petroleum and Derivatives
  • Air
  • Neutral solutions

Comparable to

  • Garlock 5500
  • Thermoseal (Klinger) C4439

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