3R870

Compressed sheet

Compressed non-asbestos sheet gasket material produced from a combination of aramid fiber, inorganic fillers and bonded with styrene-butadiene rubber (SBR). It is a high quality sheet for general service with excellent sealing properties. Even if it compressed this sheet stays stable.

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Applications

The 3R 870 has numerous applications in the process industries handling media like:

- Mild acids and alkali
- General chemicals
- Industrial gases
- Brine
- Water
- Neutral solutions
- Air
- Saturated steam

Specifications

Technical Data

Temperature Limits
Maximum 380°C (715°F)
Continuous Max 250°C (490°F)
Pressure limits
Maximum 1015 psi (70 bar)
Continuous Max 725 psi (50 bar)
ASTM Line call out
F104 F712120E2M5
Color White
Available Sheet Size
Thickness 1/64" to 1/8"
Sheet size 59" x 63", 59" x 126", 118" x 126"
ASTM Test Method
-
Density 122 lb/ft³ (1.96 gm/cc)
F36
Compressibility 7-17%
Recovery min 45%
F38
Tensile Strength across grain 2030 psi (14 N/mm²)
Creep relaxation 22%
Torque retention (DIN 52913) 37 N/mm²
F495
Ignition Loss max 34%
F146
Thickness increase after 5 hour immersion - ASTM IRM 903 @ 300°F (150°C) max 12%
Thickness increase after 5 hour immersion - ASTM Fuel B @ 77°F (25°C) max 10%
Weight increase after 5 hour immersion - ASTM IRM 903 @ 300°F (150°C) max 15%
Weight increase after 5 hour immersion - ASTM Fuel B @ 77°F (25°C) max 15%
F37
Sealability at 1000 psi 0.25 ml/h
N.B. The information, details and values indicated are to the best of our knowledge. We recommend to conduct tests according to local conditions. The data is subject to some variations without notice.