THERMAL ® high temperature fireproof rock wool is dark brown rock wool board. It has features like high melting point (>1150℃), high fire endurance and high resistance to high temperature contractility. It is fireproof, heat conservation and soundproof material with high economic value, which is often used in the place that needs high fire endurance. It mainly applies to fire filling like inner filler of fire door, filler of architectural structure, curtain fireproof sealing and etc, which can effectively prevent fire going to other floors from the gap between curtain and structure, causing greater fire disaster and losses.