The Rubber Jointing Asbestos Sheet is a plate and sheet-shaped sealing products pressed with asbestos, rubber, and fillers. It can be used as sealing material for pipeline flange, high pressure vessel flange and various mechanical connection surfaces.
| XB150 Asbestos Rubber Sheets |
| XB200 Asbestos Rubber Sheets |
| XB250 Asbestos Rubber Sheets |
| XB300 Asbestos Rubber Sheets |
| XB350 Asbestos Rubber Sheets |
| XB400 Asbestos Rubber Sheets |
| XB450 Asbestos Rubber Sheets |
| XB510 Asbestos Rubber Sheets |
Product Feature
The Rubber Jointing Asbestos Sheet can be an ideal material for sealing gasket material at the flange connection of equipment pipelines in the medium of high temperature and high pressure water, saturated steam, superheated steam, gas, inert gas and other media. Due to the proper size and compact design, it is really easy for installation.
Product Description
The Rubber Jointing Asbestos Sheet is a plate and sheet-shaped sealing products pressed with asbestos, rubber, and fillers. It can be used as sealing material for pipeline flange, high pressure vessel flange and various mechanical connection surfaces. In addition, there are various kinds of size options, thus to provide more choices to meet need. It is made of high-quality medium-long asbestos fiber and rubber as the main raw materials, realizes the function of longer service life for use.
GB/T 3985-2008 | |||||||||
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| XB450 | XB400 | XB350 | XB300 | XB250 | XB200 |
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Item | XB510 | XB150 | |||||||
Tensile strength MPa≥ | 18 | 15 | 12 | 9 | 8 | 6 | |||
21 | 5 | ||||||||
Aging Coefficient ≥ | 0.9 | ||||||||
Burning Loss %≤ | 28 | 30 | |||||||
Compressibility rate% | 7-17 | ||||||||
Rebound Rate%≥ | 45 | 40 | 35 | ||||||
Creep relaxation rate%≤ | 50 | ||||||||
Density g/cm³ | 1.6 — 2.0 | ||||||||
Nitrogen leakage rate | 500 | ||||||||
[ml/(h.mm)]≤ | |||||||||
Heat and pressure resistance | with the temperature of 500-510℃ and the pressure of | 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 | with the temperature of 340-350℃ and the pressure of | with the temperature of 290-300℃ and the pressure of | with the temperature of 240-250℃ and the pressure of | with the temperature of 190-200℃ and the pressure of | with the temperature of 140-150℃ and the pressure of | |
13-14MPa,Keep for 30 min without puncture | 8-9 MPa,Keep for 30 min without puncture | 7-8 Mpa,Keep for 30 min without puncture | 4-5 MPa,Keep for 30 min without puncture | 3-4Mpa,Keep for 30 min without puncture | 2-3MPa,Keep for 30 min without | 1.5-2MPa,Keep for 30 min without puncture | |||
