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Plaster board mark ОBV-170
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Plaster board mark ОBV-170

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Characteristics

Boardofmark "ОBV-170" with colored top layer is used as plasterlayer during the production of gypsum sheets. It is produced in sheets and rolls. Size of rolls and sheets is agreed with buyer. 

 
Rate for mark "OBV-170":
 
Tech spec  5443-013-00278882-2006
Weight 1m2, g 170±5
Thickness, mm 0,26±0,02
Density,g/sm3 0,66±0,02
Burst strength, кPа, not less 120
Water absorbency with one side watering,  g/m2 (Cobb 60), not more:
Tender side:
Back side turned to gypsum:
18-28
22-30
Float moisture, s, not less 600
Breaking force with strip width 15 mm, N, not less:
-in machine direction:
-in cross direction:
180
60
Air permeability, s, not more 80
Moisture, % 8±1

 

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