 Asbestos Rubber Gaskets are manufactured by Asbestos rubber sheets,the gaskets with a high performance price ratio. Widely used in pipelines system of petrochemical and oil fields. According to the temperatures to select the different types. Oil-resistant asbestos rubber sheets also.
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Asbestos rubber gaskets physical property |
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GB/T539-1995 |
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Item |
XB450 |
XB400 |
XB350 |
XB300 |
XB200 |
XB150 |
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Tensile strength Mpa > |
19.0 |
15.0 |
12.0 |
9.0 |
6.0 |
5.0 |
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Aging Coefficient > |
0.9 |
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Burning Loss % < |
28 |
30 |
30 |
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Density g/cm3 |
1.6~2.0 |
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Compressibility % |
12+/- 5 |
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Rebound Degree |
45 |
40 |
35 |
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Pliability |
No Crack |
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Stress Relaxation < |
50 |
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XB450: With the temperature of 440~450oC and the pressure of 11~12 Mpa, Keep for 30min without puncture.
XB400: With the temperature of 390~400oC and the pressure of 8~9 Mpa, Keep for 30 min without puncture
XB350: With the temperature of 340~350oC and the pressure of 7~8 Mpa, Keep for 30 min without puncture
XB300: With the temperature of 290~300oC and the pressure of 4~5 Mpa, Keep for 30 min without puncture
XB200: With the temperature of 200~220oC and the pressure of 2~3 Mpa, Keep for 30 min without puncture
XB150: With the temperature of 140~150oC and the pressure of 1.5~2.0 Mpa. Keep for 30 min without puncture |
