... certificate fiber glass woolMain specification and futureThickness:25-150mmWidth:1200MMLength:5-30MDensity:10,12,14,16,20,24,32,40,48kg ... /m3Thermal conductivity:0.038_0.06W/mkAverage fiber diameter: ≤5.5Grade of combustibility: Grade A (Non combustible)Hydrophobicity: ≥98.2%Sound absorption ...