Rock wool sandwich board is made of double color steel plates and mineral wool

sandwiched .They are bonded with high intension adhesive at high temperate and

pressure through auto forming machine,it is a the best fireproof material because

color steel plate and mineral wool is non-combustible.

Material:double steel plate,rock wool

Characteristic: fireproof A level,insulation

Thickness:50,100,150,200mm.

Advantage:there is no belt in the double edge,when the two panels connect,it is energy saving and no cold point.

Application field:high level fireproof requirement workshop and building