glass wool board,glass wool 1.competitive price 2.Heat, sound insulation As one of the biggest ... 56,64,80,96Thickness mm 15,20,25,30,40,50,75,100Size mm 1200*600R-Value (ASTMC177 & ASTMC518)Heat ... 0.8 0.8 40 1.2 1.2 1.2 / 50 1.5 1.5 1.6 /R=Thickness/Heat Conduction Coefficient (Unit: ... ,Poland,Singapore,USA,Syria,Korea, Total Annual Sales Volume:US$2.5 Million - US$5 Million Export Percentage:71% - 80 ...