... environmental friendly ISO9001:2000 ISO14001:2004 CE Acoustic Mineral Wool Board/mineral wool board/mineral fiber board/mineral wool ceiling boardDetailed Specification:TypeFine fissured, pin hole, sandy ... -absorbing,soundproof, heat insulationSpecial propertiesHygiene, HYGEAN-bactericidal and fungistatic coated panels.If you are interested in our products, any questions and ...