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.