Material: Made of good asbestos Fibre rubber with steel wire inserted and compound heating and compression molding it (can be coated with graphite on the surface). Uses: used in flange joins of pipeline of water, steam, air, gas, etc. Working pressure : 3-10Mpa Refractoriness: 200-450℃ Sizes: 1550mm x 2050mm; 1550mm x 1367mm; 1270mm x 1270mm Thickness: 1.2mm - 6mm Packing: in wooden cases of about 1000 kgs, 2000kgs net each. |
Asbestos Rubber Sheets Physical Property | ||||||||
GB/T3985-1995 | ||||||||
Item | XB450 | XB400 | XB350 | XB300 | XB200 | XB150 | Metal Net Streng-thening Plate 350 (Enterprise Standard) |
Metal Net Streng-thening Plate 250 (Enterprise Standard) |
Strain MPa≥ |
19.0 | 15.0 | 12.0 | 9.0 | 6.0 | 5.0 | 19.0 | 12.0 |
Aging Coeff-icient≥ | 0.9 | |||||||
Burning Loss%≤ |
28 | 30 | 30 | 29 | ||||
Density g/cm2 |
1.6-2.0 |
|||||||
Compre-ssibility% | 12±5 | |||||||
Elasticity% | 45 | 40 | 35 | 40 | ||||
Softness | No Crack | |||||||
Stress -relaxa tion%≤ |
50 | |||||||
Steam Airtigh tness |
With the tempe- rature of 440-450 ℃ and the pressure of 11-12MPa. Keep for 30min without puncture. |
With the tempe-rature of 390-400 ℃ and the pressure of 8-9MPa. Keep for 30min without puncture. |
With the tempe-rature of 340-350℃ and the pressure of 7-8MPa.Keep for 30min without puncture. |
With the tempe-rature of 290-300 ℃ and the pressure of 4-5MPa.Keep for 30min without puncture. | With the tempe-rature of 200-220 and the pressure of 2-3MPa.Keep for 30min without puncture. | With the tempe-rature of 140-150 ℃ and the pressure of 1.5-2MPa.Keep for 30min without puncture. | With the tempe- rature of 340-350 ℃ and the pressure of 11-12MPa.Keep for 30min without puncture. |
With the tempe- rature of 240-250 ℃ and the pressure of 7-8MPa. Keep for 30min without puncture. |