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Style NA1000M is a compressed non-asbestos sheet gasket material produced from aramid fibers, reinforced with a woven wire mesh and bonded with nitrile rubber (NBR). The sheet is graphited on both sides. Style NA1000M is manufactured through the hot calendar process under rigorous quality control standards that are registered under ISO-9001 certification.



Style NA1000M is a premium service gasket material that is ideally suited for applications with fluctuating pressures and temperatures. It has a broad range of applications in the process industries and in the water and wastewater industry. It is also commonly used in equipment such as pumps and valves. Style NA1000M is suitable for service handling that following general media categories:

  • Mild inorganic acids
  • Air
  • Mild organic acids
  • Industrial Gases
  • Aliphatic Solvents
  • Animal Oils
  • Diluted alkalis
  • Synthetic oils
  • Water
  • Vegetable Oils
  • Brine
  • Petroleum and Derivatives
Type Description Value
Temperature Limits Maximum 720°F (380°C)
  Continuous Max 390°F (200°C)
Pressure Limits Maximum 1450 psi (100 bar)
  Continuous Max 580 psi (40 bar)
ASTM Line Call Out F104 ASTM 713230E23M6  
Color Black  
Available Sheet Sizes Thickness 1/32″, 1/16″, 3/32″, 1/8″
  Sheet Sizes 59″ x 63″
    59″ x 126″
ASTM Test Method Property Value
Density 118 lb/ft(1.9 g/cm)
F36 Compressibility 10-20%
F36 Recovery min 40%
F152 Tensile Strength Across Grain 2680 psi (18.5 N/mm2)
F495 Ignition Loss max 37%
F146 Thickness Increase After 5 Hour Immersion  
  • ASTM IRM 903 @300°F (150°C)
max 20%
  • ASTM Fuel B @77°F (25°C)
max 15%
F146 Weight Increase After 5 Hour Immersion  
  • ASTM IRM 903 @300°F (150°C)
max 20%
  • ASTM Fuel B @77°F (25°C)
max 15%
F38 Creep relaxation
  Torque Retention (DIN 52913)
F37 Sealability at 1000 psi


Properties and application parameters shown throughout this datasheet are typical. Your specific application should not be undertaken without independent study and evaluation for suitability. For specific application recommendations consult TEADIT. Failure to select proper sealing products could result in property damage and/or serious personal injury. Specifications are subject to change without notice. This edition supersedes all previous issues.


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