Products - Gasket Sheets
oil resistance non asbestos sheet is processing to stir and rolling of excellent asbestos, oil resistance neoprene with other packing material, applying to max temperature 300?, pressure 3.0MPa,and medium is kerosene, lubricant, fuel, refining equipment, hydraulic tubing in steam and seals in jointing flange.
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technology standard |
Reference standard GB/T539-1995,GB/T20671 |
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Names of index |
Unit |
inspection standard |
inspection result |
inspection criteria |
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Room temperature landscape orientation tension strength , ≥ |
MPa |
12 |
13.5 |
ASTM F152 |
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Tensile |
g/cm3 |
1.6-2.0 |
1.9 |
ASTM F1315 |
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compressibility |
% |
12±5 |
12 |
ASTM F36/J |
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rebound degree ≥ |
% |
45 |
47 |
ASTM F36/J |
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creep relaxation ≤ |
% |
45 |
30 |
GB/T20671.5 |
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causticity |
duralumin sheet?low carbon steel plate: noncorrosive |
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pliability |
flawless |
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Oil resistance |
room temperature×5hr ASTM B#oil |
WPG,% ≤ |
20 |
18.9 |
ASTM F146 |
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Thicken rate,% |
5-20 |
10.7 |
ASTM F146 |
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150?×5hr ASTM 3#oil |
landscape orientation tensile strength, Mpa ≥ |
9.0 |
9.8 |
ASTM F152 |
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WPG,% ≤ |
30 |
19.9 |
ASTM F146 |
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Leakage rate |
flange pressing force:20Mpa, test medium: purity quotient 99% nitrogen, medium pressure:0.98Mpa, Ml/h·mm |
300 |
254 |
ASTM F37 |
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