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Hebei Fuyuan Sealing Materials Co.,Ltd
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Place of Origin: | Hebei, China (Mainland) |
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Asbestos Rubber Sheets Physical Property | ||||||
GB/T539-1995 | ||||||
Item | XB450 | XB400 | XB350 | XB300 | XB200 | XB150 |
Tensile strength MPa≥ | 19.0 | 15.0 | 12.0 | 9.0 | 6.0 | 5.0 |
Aging Coefficient ≥ |
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Burning Loss %≤ | 28 | 30 | 30 | |||
Density g/cm³ | 1.6 — 2.0 | |||||
Compressibility % | 12 ± 5 | |||||
Rebound degree | 45 | 40 | 35 | |||
Pliability | No Crack | |||||
Stress-relaxation≤ | 50 | |||||
Steam Airtightness | with the temperature of 440-450℃ and the pressure of 11-12MPa,Keep for 30 min without puncture | with the temperature of 390-400℃ and the pressure of 8-9 MPa,Keep for 30 min without puncture | with the temperature of 340-350℃ and the pressure of 7-8 Mpa,Keep for 30 min without puncture | with the temperature of 290-300℃ and the pressure of 4-5 MPa,Keep for 30 min without puncture | with the temperature of 200-220℃ and the pressure of 2-3 Mpa,Keep for 30 min without puncture | with the temperature of 140-150℃ and the pressure of 1.5-2 MPa,Keep for 30 min without puncture |