Natural environmental protection, non-toxic & zero radioactivity; Fireproof, damp proof, corrosion preventive. 1. Natural environmental protection, non-toxic & zero radioactivity2. Fireproof, damp proof, corrosion preventive.3. Light quality, high strength, good heat preservation etc. Density300-360kg/m3Bulking factor % ≤0.25Bending strength≥8MPaFire endurance0.6-2hPressive strength0.35-0.8(Mpa) ...