china hot sale soundproofing wire mesh thermal insulation rock wool blankets roll
Character of Fire-proof insulation Rock Wool
1. Excellent fiber strength, low shot content and excellent heat presentation.
2. High hydrophobic fate, low moisture absorption rate.
3. High porosity enables the rock wool products has good sound absorption.
4. Fireproof and excellent thermal insulation.
|
Properties |
Index |
|
Shot content(particle≥0.25mm).% |
≤12.0 |
|
Average fiber diameter,µ m |
≤7.0 |
|
Density tolerance,% |
+15.-15 |
|
Thermal conductivity coefficient(average temperatur70°C±52°C), W/(m.k) |
≤0.044 |
|
Thermal load contraction temperature(products with density above 60kg/m3)°C, |
≥600 |
|
Moisture content,% |
≤0.5 |
|
Combustion property |
Not combustion Class A |
|
Organic material content,% |
≤4.0 |
|
Water repellence(water-proof),% |
≤4.0 |
|
Water repellence(water-proof),% |
≥98 |
|
Water absorption(water-proof),% |
≤5 |
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