Non - asbestos rubber sheet
FNY non-asbestos oil resistant rubber board:
Material: with special fiber, oil resistant synthetic rubber as the main raw material, press vulcanization.
Application: used as gasket material for flange joint of oil refining equipment and distillation pipeline, automobile diesel engine and oil pipeline joint.
FXB non-asbestos rubber sheet:
Material: special heat resistant fiber, rubber as raw material, pressed。
秒速飞艇注册网址Application: gasket material for sealing flange connection of pipes with medium such as water, steam, air, gas and lye.
Non-asbestos rubber board (no asbestos rubber board) is the aramid and other organic fibers and plant fibers and nitrile rubber, inorganic minerals at high temperature from the compression of the sealing material, because there is little asbestos fiber, suitable for the asbestos gasket no asbestos rubber board replacement products. Non-asbestos rubber board (no asbestos rubber board) not only has high strength, but also has good resilience, and has the anti-permeability performance, is a good environmental protection material in high temperature and pressure to replace asbestos gasket.
Performance index of non-asbestos gasket board:
|The density ofg/cm3||1.5-2.0|
|The compression ratio%≥||12±5|
|Stress relaxation rate%≥||40||45||50||45||45||40||40|
|Transverse tensile strengthMpaz||1.2||8.0||6.0||10||12||14||16|
|Steam tightness is maintained for 30min without penetration||The temperature℃||340-350||240-250||140-150|
|Oil sealing temperature 15-30 medium 75 aviation gasoline or no. 3 jet fuel Seal, pressureMpa||8||10||15||15|
|Oil resistance||The temperature is 150℃±2℃, soaked in no.20 lubricating oil for 5h, then removed, and placed at 15-30℃ for 30min||Transverse tensile strengthMpaz≥||3||9.5||11||12|
|Oil absorption rate%≤||23||23||20||20|
|Immersion thickening rate%≤||-||20||15||15|
|Soak 15-30℃, soak in no. 75 aviation gasoline or no. 3 jet fuel for 5h, then take it out and leave it for 5min||Transverse tensile strengthMpaz≥||6.0||7.5||8.5||9.5|
|Oil absorption rate%≤||20||20||20||20|
|Immersion thickening rate%≤||22||22||20||20|