Mainly Specifications Moisture Content: ≤8.0% Density: ≥0.45g/cm3 Shrinkage: ≤0.30% in length, ≤0.40 in width Expansion Rate: ≤0.20% in length, ≤0.30 in width Thickness of Click Floor: 10.5/13 mm Formaldehyde Emission: ≤1.50mg/L Surface wear-resistant: ≤0.15g/100r Residual area of indentation: ≤2% Fire Rating: B2 Tensile Strength: ≥1.4MPa