... ROHS;3. good capability of heat insulation, temperature holding, and airproof,4. high intensity, high module,5. seasoning resistant ... used as soft tie-in of fill-in material, boiler and boiler wall, or other industry field such as insulation of ... fireproofing material, wick, sealing product, voluble electrothermal thread, and heating elements. Main sorts of prduct:1. fiberglass square ...