... heat-treating and all kinds of heat insulation rock wool blanket is used for construction walls, roofs, industrial ... insulation 1. Physical and chemical index of rock wool blanket ItemTechnical dataThickness, mm20-100Density,kg/m360-120Thermal conductibility ... rate≥98 2. Application of rock wool blanket Constructure wall insulationShipbuilding soundAbsorptionThermal insulation