High Strength Rock Wool Board Standing temperature: 700C Density: 150kg/m3, 160kg/m3, 180kg/m3, ... high-pressure and high-tensile performance. With the properties of thermal insulation, fire prevention, noise absorbing and others.Standing temperature: 700oCDensity ... , 160kg/m3, 180kg/m3, 200kg/m3 High Strength Rock Wool Board