1，LUTAI Fiber cement board is a stable performance and light weight building &decoration board used cement as major and natural reinforced, with the process of pulping,emulsion,forming,pressurization,autoclaving,drying and surface treatment. 
Thickness : 4.5mm-30mm
Size :1200*2400mm, 1220*2440mm,  any size that u need . 
Surface : 40#-120# sanding surface , polished surface , tapered edge . 
2，Product characteristics :
Density : 1.2-1.5G/CM3
Fire-proof  Rate : A-Class incombustible (GB8624-1997)
Incombustibility(min): 240 minutes (GB/T9978-1999)
Water content : ≤30%
Swelling ratio: ≤0.4%
Anti-bending Strength: ≥16MPA 
Frost resistance : Don’t appear cracking and delamination after 25 cycles of freezing and thawing . (GB/T7019-1997)
Radioactivity: standard of GB6566-2001 (A-class Decoration Materials)
3,Recommed application: 
Partition board , exterior wall cladding , panel, suspended ceilings ,light weight grouting panel, interior dry wall decoration board ,interior wall after painting and coating .