Product Introduce:
The up & down surface of Rock Wool Sandwich Panel is galvanized & pre-painted steel, or galvanized steel. Core material is rock wool with density at 100kg/m3, the rock wool is upright against the surfaces. There are high strength vesicant between rock wools and surfaces. This product is featured with full anti-firing, more heating & sound insulation, It is widely used as the wall or roof for cold storage, industrial workshop, public building etc.