We are top manufacturer of Centrifugal Glass Wool products, including Glass Wool Blanket/Felt/Roll, Glass Wool Blanket Board. Our products are with CE certificate, and have been exported to USA, UK, Germany, Poland, etc. The Centrifugal Glass Wool Blanket/Felt/Roll and Board are excellent heat preservation and sound absorption material for steel structure, ceiling, outer wall, partition wall, train compartment, air duct, etc. It features:1.Excellent for heat preservation, thermal insulation, sound absorption;2.Non-combustible, nontoxic, and resistant to corrosion;3.Low thermal conductivity, stable chemical property, low moisture rate and good hydrophobicity;4.Low weight by volume, good rebound elasticity;5.Low constructional cost, short cycle of works, non-stimulation to the skin.Below are the main indexes of physical properties of centrifugal glass woolItemUnitIndexStandardDensityKg/m310-100GB/T 5480.3-1985Average fiber dia.Um5.5GB/T 5480.4-1985Water content≤1GB/T 3007-1982Grade of combustibilityNon-combustible Grade A1GB 8624-1997Reshrinking temp.≥250GB/T 11835-1998Thermal conductibilityw/m.k0.038-0.06GB/T 10294-1988Hydrophobicity≥98.2GB/T 10299-1988Moisture rate≤5GB/T 16401-1986Sound absorption coefficient1.03product reverberation method24kg/m32000HZGBJ47-83Slag inclusion content≤0.3Product specifications of centrifugal glass woolProductLength(mm)width (mm)Thickness (mm)Density kg/m3Boards1200-2200600-120020-10024-96Felt in roll5000-30000120025-15012,16,20,24,32,40,48