High Strength Cement Boards

What is fiber cement board? 100% no asbestos fiber cement board (No asbestos no formaldehyde, no benzene and no any harmful substances) Fiber cement board is also called fiber cement pressure board or cement fiber pressure board, is a natural fiber and cement as raw material, a kind of new building material pulping, molding, cutting, pressing, conservation. Called new generation of "green" building materials, unique environmental protection functions in the fire performance and excellent moisture resistant. It is based on siliceous and calcareous material as the main material, with cellulose fiber reinforced material, mixed with other auxiliary materials. What is technical specification of fiber cement board? 100% no asbestos fiber cement board  Product Name fiber cement board Size width:600/610/900/1200/1220mm        length:1800/2400/2440/2700/3000/3050mm Thickness 3.2~35mm Thickness Tolerance ±0.2mm Grade Class A1 Noncombustible material Density 1300~1800kg/m3 Technical Parameters Flexural strength  Mpa Air dry state       X=12.AL=13.8,AL=10.4 X>AL Water saturated state X=12.AL=11.1,AL=7.1 X>AL Watertightness  no water drop after 24 hours  Wet expansion rate  ≤0.103% rate of water absorption ≤24% Packing Standard Export Pallet Packing Inner Packing Pallet is wrapped with plastic film Outer Packing Pallet is covered with plywood and paper protection  Production capacity 10000pcs/day Delivery Time 7- 15 days after receiving deposit  raw material rough percentage portland cement  65% fly ash 13% natural fiber(Paper pulp imported from USA) 15% silica fume 5% Extra additive  2%