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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 |
|
binder content | % | 3.0 |
|
Technical Parameters
performance | index |
slag ball content (granule diameter) 0.25mm).% | 12.0 |
average value of fiber,µm | 7.0 |
density allowable deviation ,% | +15.-15 |
thermal conductivity(average temperature70 ±52),W/(m.k) | 0.044 |
shrinkage temperature of heat load(60kg/m3) , | 600 |
water content,% | 0.5 |
combustibility | Grade A incombustible |
organic content,% | 4.0 |
moisture resistivity(moisture-proof rock wool board),% | 98 |
water absorption (moisture-proof rock wool board),% | 5 |
All the performance indexes of product are in line with the standard of ASTM C 795, JIS A 9504 and etc.Technical parameters of facings
facing name | sandwich aluminum foil facing | fire-retardant sandwich aluminum foil facing | polypropylene plastic facing |
facing No. | F-1 | F-2 | F-3 |
appearance | silver | silver | silver /white |
structure | four-layer composite structure | four-layer composite structure | four-layer composite structure |
aluminum foil surface | aluminum foil surface | polypropylene surface | |
bonder layer | bonder layer | bonder layer | |
three-directional fiber layer | three-directional fiber layer | three-directional fiber layer | |
brown paper layer | brown paper layer | polypropylene surface |
The field of usage
Our product is widely used for the heat insulation and sound absorption and heat preservation of pipes in building field Our main market is in Europe, Midle East, Southern Asia, Northen America, and other areas in the world.
rock wool