Acoustical mineral fiber ceiling board My factory, produce manufacturing and export: 1)acoustical mineral fiber ceiling board. 2)ceiling board. 3)pvc gypsum board. 4)roast the metals of the paint t l. 5)ceiling t grid. 6)calcium silicate board Physical data: Material:wet---formed mineral fiber. Surface finish:factory---applied vinyl latex paint. Color:white. Size: 600*600*(7.5---20)mm. 600*1200*(10---20)mm. 603*603*(7.5---20)mm. 603*1210*(10---20)mm. Edge : 1)angled tegular. 2)square lay-in. Light reflectance:minimum lr 0.80*. Fire resistance:it is grade a fireless material. Rh70:appropriate for relative humidity up to 70%, temperature up to 30f? No-asbestos. Acoustical mineral fiber ceiling board My factory, produce manufacturing and export: 1)acoustical mineral fiber ceiling board. 2)ceiling board. 3)pvc gypsum board. 4)roast the metals of the paint t l. 5)ceiling t grid. 6)calcium silicate board Physical data: Material:wet---formed mineral fiber. Surface finish:factory---applied vinyl latex paint. Color:white. Size: 600*600*(7.5---20)mm. 600*1200*(10---20)mm. 603*603*(7.5---20)mm. 603*1210*(10---20)mm. Edge : 1)angled tegular. 2)square lay-in. Light reflectance:minimum lr 0.80*. Fire resistance:it is grade a fireless material. Rh70:appropriate for relative humidity up to 70%, temperature up to 30f? No-asbestos.