... ,40,48kg/m3 2. Length: 10-20m 3. Width:1200mm 4. Thickness: 25-150mm Glass wool roll with Aluminum foil:The ... heat preservation, thermal insulation, sound absorption;2. Non-combustible, nontoxic, and resistant to corrosion;3. Low thermal conductivity, stable ... Low constructional cost, short cycle of works, non-stimulation to the skin. Specifications information: ProductLength(mm)Width(mm)Thickness( ...