--LIGHT wight and east installation -- SOUND absorption --Fireproof /Heat insulation --Environment friendly ---Factory Acoustic CeilingsProduct Description:1) Main Specification: 595*595/600*600/603*603/300*600/600*1200mm, etc.2) General Thickness: 6.5mm, 6.8mm, 7mm, 8mm, 9mm, 10mm, 12mm, 15mm, 18mm, etc.3) Density: 350 - 420kg/m3; 280-320kg/m34) White Surface Color5) Installation: Match with ...