rock wool board water-proof rock wool boards,pipes or blankets for insulation Main specification range: (board)Length x width: 1000 x630, 1200 x 600Thickness: 25- ... ≤7 umDensity tolerance,%: +15 -15Thermal load contraction temperature(products with density above 60kg/m3), : ≥600Organic material content,%: ≤4.0Grade of ... Europe, Northern America, and other areas in the world rock wool board