1Fire-proof: testified by national supervision and testingcentre graded as A1 (the top level)

2Water-proof : can be washed over 2000 times withoutdiscolourment. Wet absorbing less than 0.001 in the air withhumidity of 95%

3Mouldy-proof: No mouldy and no discolourment at anycircumstances

4 Lightweight: 6-7kg/m2, carrying weight is 30times ofself-weight, high intensity:355N, 2 times of internationalstandard.

5Sound-absorbing: Absorption frequency width(100-5000Hz), absorption coefficient is high (0.75-0.80), caneffectively reduce interior noise.

6 Agingresisitance: Plates can be used in the environmentof 95% relative humidity. The deformation extent is less than 2 mm.No deformation and no mildew with duration of 10 years.

7 Environment protectionand health: Usage of natural inorganiccomposite material has no harmful substances and polluted gas,belonging to environmental friendly products.