ASTM F104 F712120-B4E99M9

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Service Limits

Temperature Limits
Maximum700°F (370°C)
Minimum-40°F (-40°C)
Continuous Max392°F (200°C)
Pressure LimitsVacuum 725 psi (50 bar)
ASTM F104Line Call OutF712120-B4E99M9
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
-Density106 lb/ft^3 (1.70 gm/cc)
F38Tensile Across Grain1740 psi
F38Creep relaxation20%
F146Thickness Increase After 5 Hour Immersion
-ASTM IRM 903 @ 300°F (150°C)Max 30%
-ASTM Fuel B @ 77°F (25°C)Max 20%
F136Weight Increase After 5 Hour Immersion
-ASTM Fuel B @ 77°F (25°C)Max 20%


Style NA1076 is a compressed non-asbestos sheet gasket material produced from a combination of aramid and other synthetic fibers and bonded with neoprene rubber (CR). It is manufactured through the hot calender process under rigorous quality control standards that are registered under ISO-9001 certification.

Application / Service

Style NA1076 sheet is a good all purpose sheet that is specifically formulated to handle a broad range of refrigerants.
In addition, Style 1076 is suitable for services handling water, saturated steam, oils, fuels, mild acids and alkalies.

Comparable to

  • Durlon 8700
  • Flexitallic 2440
  • Garlock 3300
  • JW Clipper Leader Gasket 976
  • Lamons L-540
  • Thermoseal (Klinger) C5400/5401

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