Customization: | Available |
---|---|
Standard: | Standard |
Style: | Mechanical Seal |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Asbestos Rubber Sheet Physical Property | ||||||
GB/T539-1995 | ||||||
Item | B70145 | B70140 | B70135 | B70130 | B70120 | B70115 |
Color | ||||||
Tensile Strength ≥ Mpa | 19.0 | 15.0 | 12.0 | 9.0 | 6.0 | 5.0 |
Aging Coefficient≥ | 0.9 | |||||
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 440~450oC and the pressure of 11~12Mpa, keep for 30 min without puncture | With the temperature of 390~400oC and the pressure of 8~9Mpa, keep for 30 min without puncture | With the temperature of 340~350oC and the pressure of 7~8Mpa, keep for 30 min without puncture | With the temperature of 290~300oC and the pressure of 4~5Mpa, keep for 30 min without puncture | With the temperature of 200~220oC and the pressure of 2~3Mpa, keep for 30 min without puncture | With the temperature of 140~150oC and the pressure of 1.5~2Mpa, keep for 30 min without puncture |