Size: Rolls in standard width of 1.2 m Density: 16, 24, 32 & 48Kg/m3 Thickness : 25, 50ï¼?60mm Types of facings: Aluminum Foil, Product Range: Density 12 - 100 Kg/m3 and thickness 12 -- 100mm Temperature Range: Glass wool is suitable for applications ranging from minus 195 degree Celsius to plus 230 degree Celsius. For special applications up to 450 degree. Aluminum foil facing is suitable up to 120 degree Celsius. Fire Safety: Glass wool is non-combustible in accordance with BS 476 incombustible, extremely low spread of flame, non emission of dense smoke and toxic gases, on depletion of oxygen (high oxygen index 70%).