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E-mail
design@sealtex.cn
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Phone
18019714807
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Address
502, Building 23, Baoshi Garden, No. 487 Tianlin Road, Xuhui District, Shanghai (200233)
Shanghai Yikesuotuo Sealing Materials Co., Ltd
design@sealtex.cn
18019714807
502, Building 23, Baoshi Garden, No. 487 Tianlin Road, Xuhui District, Shanghai (200233)
Description:
ST-2058 is a universal asbestos free and environmentally friendly sealing gasket material made of high modulus nitrile rubber NBR and selected aramid fibers, processed by advanced rolling technology. Due to its excellent sealing and torque retention properties, outstanding resistance to oil, chemical erosion, and refrigerants, it can be widely used in various industries. Double sided with anti flange bonding treatment.
Typical application:
Industries such as petrochemicals, power generation, steel, shipbuilding, pharmaceuticals, cosmetics, papermaking, compressors, diesel engines, beer, pumps and valves.
General data:
Composition: aramid fiber, nitrile rubber
Capability:
The standard value is based on a material with a thickness of 2.0mm
Technical Specifications:
Property |
Standard |
Unit |
Value |
density |
DIN 28090-2 |
g/cm3 |
1.7-1.9 |
compression ratio |
ASTM F36J |
% |
8-15 |
rebound rate |
ASTM F36J |
% |
≥55 |
tensile strength horizontal |
ASTM F152 |
N/mm2 |
14 |
stress relaxation | |||
16h, 300°C, 50 N/mm2 |
DIN 52913 |
N/mm2 |
22 |
16h, 175°C, 50 N/mm2 |
DIN 52913 |
N/mm2 |
28 |
leakage rate |
DIN 3535-6 |
mg/(s.m) |
0.02 |
thickness increase |
|||
IRM 903 .5h,150°C |
ASTM F146 |
% |
5 |
fuelB 5h,23°C |
ASTM F146 |
% |
5 |
Continuous operating temperature |
℃ |
250 |
|
maximum pressure |
bar |
100 |
|
|
Supply data:
Dimensions (mm): 1500 x 1500, 1500 x 3000, 1500 x 4500, 2540 x 3810, 3000 x 3200 Thickness (mm): 0.3, 0.4, 0.5, 0.8, 1.0, 1.2, 1.5, 2.0, 2.5, 3.0, 4.0, 5.0 Surface treatment: graphite treatment or other anti sticking treatment according to requirements tolerance range:referenceDIN28091-1 | |||
1.