... :1) the density: 280-320kgs/m3, 380-420kg/m32) thickness size: 6mm, 8mm, 9mm, 10mm, 12mm, 14mm, 15mm, 16mm,18mm, 20mm ... , 21mm, 22mm etc 3) standard size: 300mmx600mm, 600mmx600mm, 600mmx1200mm, etc.4) Fiber content :>=90% 5) Product ... you are interested in our products, please contact us and tell me your detailed requirements! False Ceiling Board