The raw material for the exterior wall rock wool board is natural volcanic rock, which is a non combustible building material and fire-resistant material.
Main fire protection characteristics:
1. It has the highest fire rating of A1, which can effectively prevent the spread of fire.
2. The size is very stable and will not stretch, shrink or deform in a fire.
3. High temperature resistance, melting point above 1000 ℃.
4. No smoke or burning droplets/fragments are produced in a fire.
5. No harmful substances or gases will be released in a fire.