the raw material of the exterior wall rock wool board is natural volcanic rock, which is a non combustible building material and fireproof material.
Main fire protection characteristics:
1. It has the highest fire protection level of A1, which can effectively prevent the spread of fire.
2. the size is very stable and will not elongate, shrink or deform in case of fire.
3. High temperature resistance, melting point above 1000 ℃.
4. Do not generate smoke or burn droplets/fragments in a fire.
5. It will not release harmful substances and gases in a fire.