Product Item: High Density Rock Wool Blanket (Roll)
Length: 5000 mm
Width: 600 mm
Thickness: 40 mm
Density: 100 kg/m3
Material Properties: Chemically neutral, free of soluble sulfur salts, low chlorine ions
Source: https://www.landee.cn/high-density-rock-wool-blanket-100-kg-m3-5000-600-40-mm.html