Density ≥1.25 g/cm3
Thermal Conductivity ≤0.30W/（m?K）
Water Contain ≤10 %
Water Absorption(Natural Color board) ≤38 %
Moisture Movement ≤0.25 %
Dry Shrinkage ≤0.50 %
water impermeability
After 24 hours testing, it allow wet mark was found on its backside but cannot be found any drip.
Anti-freezing
after 25 time cycled freezing，no laminated and fissure was found
Bending Strength ≥14 MPa
Anti-impact
after one strike test, no crack was found on its surface