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Non-Asbestos Joint Sheet /Asbestos Free Sheet
Description
This product is made from graphite, aramid fiber, carbon fiber, mineral fiber, etc. and NBR, SBR, etc. rubber compressed and calendered under high temperature and pressure into a sheet form. It eliminates asbestos jointing sheet essentially and thoroughly. It can reinforced by tin steel wire mesh, SS304 wire mesh or SS316 wire mesh to to use high pressure.
Application
Suitable for oil resistant gasket material for medium to higher loading, good resistance to water gases, oils and fuels.A standard sealing material used in compressors,pipelines, apparatus, transmission, gas meters and internal combustion engines.
Specification
|
Item |
Test standrand |
Value |
|
Density |
ASTM F1315 |
1.70+/-0.1g/cm3 |
|
Horizontal tensile strength |
ASTM F152 |
≥9.0Mpa |
|
Compressibility |
ASTM F36J |
12 ± 5% |
|
Recovery |
ASTM F36J |
≥40% |
|
Creep relaxation rate |
ASTM F38 |
≤35% |
|
Leakage rate |
DIN 3535 |
1.0ml/min |
|
ASTM3# oil resistance
150℃／5h |
Thickness increase |
≤15% |
|
Weight increase |
≤20% |
|
|
ASTM fuel oil B
23℃／5h |
Thickness increase |
≤10% |
|
Weight increase |
≤10% |
|
|
Working temperature |
Short / continuous |
300 / -50 ~ 250℃ |
Note: Load with the maximum values for pressure and temperature is no possible in operation state; see p.T standard value. Color :black
Feature
1.Green product ,100% non-asbestos
2.Wide range of temperature
3.Good abrasion resistance, aging resistance
4. Excellent air sealability
5.Oil, heat, acid alkali resistant