Rock wool board how to classify Rock (mineral) cotton insulation board is based on basalt, blast furnace slag and other natural ore as the main raw materials, high temperature melting into fiber, adding appropriate binder, curing process. This product is suitable for thermal insulation of industrial equipment, construction, and communication. Soundproofing and so on. 1. Thermal insulation ( NB ) thermal insulation rock wool insulation board has excellent thermal insulation performance, convenient construction and installation, energy-saving effect is significant, with a strong performance-cost ratio. 2. Marine-type ( SB) marine and hydrophobic rock insulation boards are added with hydrophobic additives during production, which has good moisture resistance. Rock wool insulation boards for ships are used for heat insulation and fire protection of ships; including fire doors, bulkhead boards and sanitary units. 3. Drowning ( HB ) drowning rock wool boards are used in vehicles, mobile equipment, cold storage projects, air conditioning ducts, and thermal insulation and fire protection in wet environments and applications where there is a requirement for moisture protection. 4. Construction ( CB ) rock wool board for construction has excellent fire protection, heat preservation and sound absorption. It is mainly used for the thermal insulation of building walls and roofs. Schmidt Bretten Heat Exchanger,Eplacement Schmidt Gaskets,Schmidt Bretten Phe Gasket,Phe Gasket For Schmidt Dongguan Runfengda F&M Co., Ltd , https://www.runfengdaphe.com