Technical data: Density:g/cm3 ≥1.20 \r\nWater-absorbency: % ≤0.10 \r\nHeat-Shape temperature:°C ≥200 \r\nOxygen exponent:OI ≥31 \r\nBurning resistance : level FV-0 \r\nDistortion intensity: Mpa ≥50 \r\nPunching intensity: Kj/m2≥ 20 Structural specifications: Can be optionally assembled