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prime rock wool
prime rock wool

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1.Waterproof fire resistance
2.Sound absorption
3.Thickness: 30mm to 200mm
4.Density: 40kg to 200kg/ m^3
5.Rock Wool

rock wool

Moisture-proof aluminum foil, black (white) glass fiber cloth, sandwich glass fiber felt and moisture-proof facings can be stuck on surface of rock wool board.
 Performance of heat-preserving rock wool

item

unit

index

experimental method

density

Kg/m3

50-200kg/m3

GB5480.3

density allowable deviation

%

±10

average value of fiber

um

4-7

GB5480.4

slag ball content (granule diameter)>0.25mm)

%

6

GB5480.5

volume water absorption

%

2

GB/GB16401-1996

heat absorption

%

1.0

GB5480.7

moisture resistivity

%

98

B10299-88

shrinkage temperature of heat load

 

650

GB11835-1998

organic content

%

4%

GB11835-1998

compressive strength (10% compressibility)

kPa

40

GB/T13480-92

peeling strength

kPa

14

DIN52274

incombustibility

--

Grade A

GB5465

thermal conductivity (70 )

W/mk

0.041

GB10294-88

acidity coefficient

 

1.5

 

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