Mineral Wool Ceiling Board

Specification:
1) surface coating:factory-applied vinyl latex paint
2) color of surface:white(other colors can also be chosen)
3) dimensions:a)size(300)600(1200) *600(1200/1800/2400),595*595,595*1195,603*603
b) thickness:11mm-30mm(divided into grads by every 1mm)
4) edge:flat,regular,concealed and shiplap

Technical Indexes:
1. Appearance No blot,uneven color etc on surface.no crackle ,contorteness,angle.
2.Dimension Tolerance
Length:A 2.0mm,Width:A 2.0mm,Right-angle devation
Degree: 0.005
3.Density: 260Kg/M3
4.Fire performance:Class-A(Frame Sprad 25 or under)I China class b1(meet GB8624-1997)
5.Asbestos free,Formaldehyde free
6.Fiber content:>=90%
7Noise reduction coefficient:NRC 0.5-0.6 depending on the pattern and the thickness
8.Light reflectivity:more than 85%
9.RH:>=80%
10.Sound absorption:EN20140-1994
11.Water content:<=3%
12.Surface Burning Characteristics:Class A
13.Mold resistant
14.Thermal conductivity:<0.065W/mK