roofing rockwool slab: length: 1200mm width:600mm thickness:25-200mm density:40-200kg/m3 CE Certificate

roofing rockwool slab is used in manufacture of water-repellent rock wool product. It has excellent moisture-proof and water-repellent properties. It mis mainly used for vessels and buildings where water resistance is reguired, etc.

Properties of roofing rockwool slab

Properties	Value
Shot content (particle diameter ≥ 0.25mm), %	≤ 10.0
Average fiber diameter, μm	≤ 7.0
Density tolerance, %	+5, -5
Thermal conductivity coefficient (average temperature: 70±52), W/(m. K)	≤ 0.039
Thermal load contraction temperature (products with density above 60kg/m3),	≥ 720
Moisture content, %	≤0.5
Combustion property	Non-combustible(A class)
Organic material content, %	≤ 4.0
Water repellence (water-proof), %	≥ 98
Water absorption (water-proof), %	≤ 2

Remarks:special sizes and density may be made according to customers' requirements.

roofing rockwool slab