China Wood Grain Siding Panel Exterior Wall Lapping Board, Find details about China Wood Grain Cement Board Cement Board, Wood Grain Texture Board from Wood Grain Siding Panel Exterior Wall Lapping Board
Item | Fiber cement board | Gypsum Plaster Board | MagnesiumBoard | TKBoard(Glass Fiber Cment Board) |
Raw Material | Cement ,Quartz Sand,Organic/Inorfil Cellulose Fiber | Gypsum,Paper | Magnesium Oxide,Magnesium Chloride | C-Glass,Short Mineral wool,Low Alkali Portland |
Anti-Bending Strength(Mpa) | >12 | 4-5 | <12 | 6-8 |
Fire-proof Rate | A-class incombustible(GB8624-1997) | Non-Flammable | Incombustible | Incombustible |
Incombustibility(min) | >240 | 60 | 50 | 70 |
Damp-proof Rate | After wetting, the strengthdrops by 20-40%,recovers by 100% after dryness | Distortion after wetting,beyond retrieve | Distortion after wetting,beyond retrieve | Distortion after wetting,beyond retrieve |
Use Age | Used for many years | sagging because of absorbing the Moisture in the air,short lifetime | Sagging because of absorbing the Moisture in the air,short lifetime | Distortion after wetting,beyond retrieve, short lifetime |