granulated rockwool for sound insulation

roof heat insulation:
CE cetificate
Density: 300kg/m3
Thermal conductivity coefficient: 0.039w/m.k

roof heat insulation is granular product made from rockwool fiber. It is mainly used  for filling irregular spaces and apertures in thermal insulation structure as well as spraying onto steel structure buildings for fireproofing and manufacturing sound-absorbing ceiling board.

Product properties :
Organic material cotent:  ≤0.5%
Thermal conductivity coefficient:  ≤0.039W/m.K
Average test temperature:  70±52,                    Test density:  150kg/m3
pellet diameter distribution:  >12.7mm,  ≥60%
                                              <6.35mm,  ≤10%