parameters of Rock wool sandwich board:
Thickness of upper / lower steel plate
0.4~0.8mm color steel plate / electric and hot galvanized sheet / stainless steel plate
Core material
The capacity of (ore) rock wool is 120 ~ 150kg/m thickness: 50-150mm
Side sealing steel belt or unside side sealing strip
0.4mm ~ 0.8mm galvanized sheet
Mouth type effective width
950mm, 1150mm; thickness 40mm to 150mm; length unlimited
Form of surface protection
Overlying PVC protective film