Do you know?  Class A mineral wool/ mineral fiber anti-fire-door has the irreplaceable function for sound-insulation than other materials. Safety and Quiet from Fortune Group!

Mineral Fiber Board has the function of anti-fire, sound-insulation, heat-insulation and so on. Fortune Class A mineral wool panel for anti-fire door, by adding anti-fire material, removing inflammable materials, making the mineral wool (850℃non-combustion) taking up to 75%, it can reach Class A in the Lab test. 

Our Class A mineral wool panel has pasted Australia and USA certificate, and exported to the entire world.

Fire-proof: Class A2 (GB8624-2006), (EN13501-1:2007)

CAC: 30-40

Size: 1200*2400mm, or other size within 1220*2440mm

Thickness: Normal thickness 13.5mm, 15mm, 19mm, 12-20mm, composited to 22-60mm.