Brick Grain Board

*Thickness(mm):6mm-15mm.
*Size :(mm): 200*2400mm, 1200*2400mm, other sizes according to the order .
*Density: 1.3-1.5g/cm3.
*Thermal conductivity: less than 0.3W/(M.K).
*Water content: ≤10%.
*Water absorption(plain): ≤30%.
*Swelling rate: ≤0.25%.
*Thermal shrinkage: ≤0.5%.
*Anti-bending strength: ≥12MPA.
*Water tightness:the reverse side allows showing water mark but not dropping after
24 hours.
*Freezing resistance: it doesn’t show break and layer after 25 times freeze thawing.
*Impact resistance: without continuous crack after one shock.
*Incombustibility: Class – A1