white formaldehyde free and environment-friendly glass wool board The glass wool’s main raw material are some savageness material, especially be made from the quartz sand, limestone, dolomite and other ore material. This product has favorable heat-preservation and heat-insulation performance. Because of these advantages, it widely used in construction wall, ceiling, roof, interlayer of steel structure workshop and other building aspects. Applications 1.Heat and coldness preservation. Preservation for steel structure building. Heat insulation for wall and roof of house to save energy.Also for indoor partition wall and Train compartment. 2.Sound absoption.Deadening treatment of recreational places, cinemas, theaters, TV stations, broadcast stations and laboratories Main specification range: Board: Density:25-96kg/m3 Thickness:25mm/30mm/50mm/75mm/100mm Length:600mm-3000mm Width:1.2m We could produce at customer's request. Features: Formaldehyde free Environment-friendly Refractory material No harm to human body Packing: Vacuumed package and Special specification products may be made to order.