Material: Made of good long asbestos Fibre, oil-resistance synthetic rubber, heat-resisting packing material compound heating and compression molding it. Uses: Mainly used as high-temperature pressure sealing gasket for gasoline, mineral oil, fuel, hot chemical solvent-oil and alkali medium. Working pressure : 6Mpa , Max working temperature: 580℃ Sizes: 1500 x 1360 x (0.5 – 6.0)mm, 1270 x 1270 x (0.5 – 6.0)mm,1500 x 1500 x (0.5 – 6.0)mm Packing: in wooden pallet of about 1000 kgs, 2000kgs net each. |
Oil-resisting Asbestos Rubber Sheets Physical Property | ||||||||
GB/T539-1995 | ||||||||
Oil-resis- tance |
Item | NY400 | NY250 | NY150 | NY300 | Aviation Oil-resisting and Metal Strengthening (Enterprise Standard) |
Oil-resisting and Metal Strengthening (Enterprise Standard) | |
With the temperature of 150±2℃, dipped in No.20 aviation luricatint oil for 5h,then taken out and laid for 5min. |
Horizontal Strain MPa≥ | 26.0 | 9.0 | 8.0 | 10.8 | 13 | 15 | |
Oil Absorptivily≤ | 9 | 23 | 23 | 23 | 20 | 20 | ||
Thickness-increasing%≤ | 15 | 20 | 15 | 15 | 15 | |||
Change of Outlook | No Bubble | |||||||
With the temperature of 15-30℃, dipped in NO.75 aviation gasoline for 5h,then taken out and laid for 5min. |
Horizontal Strain MPa≥ | 14.7 | 7.0 | 6.0 | 7.9 | 8.5 | 10 | |
Oil Absorptivity≤ | 15 | 22 | 22 | 22 | 18 | 18 | ||
Thickness-increasing%≤ | 20 | 25 | 25 | 23 | 23 | |||
Softness | No Crack | |||||||
Softness | No Crack | |||||||
Density g/cm2 |
1.6-2.0 | |||||||
Compressibility % | 12±5 | |||||||
Elasticity≥ | 50 | 45 | 35 | 45 | 45 | 45 | ||
Oil-sealing | Temperature: 15-30℃ Medium: NO.75 aviation gasoline or NO.3 jet fuel. |
Pressure: 12MPa |
Pressure: 10MPa |
Pressure: 8MPa |
Pressure: 15MPa |
Pressure: 15MPa |
Pressure: 15MPa |
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Fully Sealed | ||||||||
Corrosiviness | Hard aluminium plate,low carbon steel | No Corrosion | ||||||
Horizontal Strain MPa≥ | 11.0 | 9.0 | 12.7 | |||||
Stress-relaxation %≤ | 45 |