3R871

Compressed sheets

Compressed non-asbestos sheet gasket material produced from a combination of aramid fibers, inorganic fillers and bonded with nitrile rubber (NBR). It is an ideal material for sealing gaskets used in presence of air, oils, steam and neutral solutions.

Applications

The 3R871 has numerous applications in the process industries handling media like:

- Mild acids and alkali
- General chemicals
- Vapor
- Hydrocarbons
- Neutral solutions
- Industrial gases
- Gasoline
- Water
- Oils
- Air

Specifications

Technical Data

Temperature Limits
Maximum 385°C (725°F)
Continuous Max 260°C (500°F)
Pressure limits
Maximum 1595 psi (110 bar)
Continuous Max 725 psi (50 bar)
ASTM Line call out
F104 F71220E23M5
Color Blue
Available Sheet Size
Thickness From 1/64" to 1/8"
Sheet Size 59" x 63", 59" x 126"
ASTM Test Method
-
Density 119.5 lb/ft³ (1.92 g/cc)
F36
Compressibility 7-17%
Recovery min 50%
F38
Tensile Strength 1820 psi (12.5 Mpa)
Creep relaxation 22%
Torque retention (DIN 52913) 37 N/mm²
F495
Ignition Loss max 26%
F146
Thickness increase after 5 hour immersion - ASTM oil IRM 903 @ 300°F (150°C) max 15%
Thickness increase after 5 hour immersion - ASTM Fuel B @77°F (25°C) max 15%
Weight increase after 5 hour immersion - ASTM oil 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 0.2 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.