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Gasket board mark А
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Gasket board mark А

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Characteristics

Board of mark "А" is used for production of sealing in flange and other connections used in oil medium, water and petrol. It is produced in sheets and rolls. Size of sheets and rolls is agreed with buyer. 

 
Rate for mark "A":
 
Tech spec 5443-012-00278882-2005
Thickness, mm 0,3±0,03
0,5±0,05
0,8±0,1
Density,g/sm3, not less
0,75
Tensile strength in cross direction, МPа (kgs/mm2), not less: 20 (2,0)
Absorbability with full-immersion, % not more:
-oil;
-water;
-petrol;
35
60
40
Elastic strain after unloading, %, not less 40,0
Compressibility, %, not less 12,5
Moisture, % 10±2

 

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