... of the building structure, especially as a flexible waterproof roofing and steel roofing, insulation materials, construction convenient, easy -to-fixed ... 5%Melting point≥1000°CSandwhich Panel mineral wool core material Stand sizeNominal density:105,120,150Size: 1200mm*1200mm ... achieved.Rockwool lath between the metal panel by bonding composite, processing and formation of the metal surface rock wool ...