Product Description

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

2. Water-proof: can be washed over ***0 times without discolourment. Wet absorbing less than 0.**1 in the air with humidity of *5%

3. Mouldy-proof: No mouldy and no discolourment at any circumstances

4. Light weight: **7kg/m2, carrying weight is *0times of self-weight, high intensity:**5N, 2 times of international standard.

5. Sound-absorbing: Absorption frequency width (*******0Hz), absorption coefficient is high (0.***0.*0), can effectively reduce interior noise.

6. Aging-resistance: Plates can be used in the environment of *5% relative humidity. The deformation extent is less than 2 mm. No deformation and no mildew with duration of *0 years.

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