This filling material of rock wool filling board, rock wool strip is used in wall board and roof board. It has excellent compressive strength and fireproof and did important contribution to making heat and sound well insulated high quality outer wall.

Specification:
No.    Density    Thick       Length     Width
      (kg/m3)     (mm)       (mm)       (mm)
1       105       49.99       1000       1000
2       110       49.99       1000       1000
3       120       49.99       1000       1000