Mineral fiber ceiling board main parameter:  
1)  Material: Wet-formed mineral fiber
2)  Product Content: Mineral Fiber  
3)  Surface finish: Factory-applied vinyl latex paint
4)  NRC: 0.50*
5)  CAC: minimum 30**
6)  Light Reflectivity: Minimum LR 0.80*
7)  Insulation Value: Average R Factor(at 750F, 24) is 1.31(BTU units),0.23(Watts units)
8)  Fire Performance: Meets GB8624-1997B1 Standards
9)  RH90
10)  Mold resistance
11)  Fiber content: ≥90%
12) Thermal conductivity: <= 0.065W/mK
13) Sound absorption: EN20140-1994
14) NON-Asbestos
15) NON-Formaldehyde
16) Density: 280-320kg/m3
17)  Water content: ≤3%
18) Standard Thickness: 7-20mm
19) Standard Dimensions: 595x595, 600x600, 603x603,300x600, 300x1200, 600x1200, 600x1800mm
20)Edge : square and tegular