... and environmental protection, solid, light, thin, high strength, impact resistance, hanging-resistant, earthquake resistant, fireproof, moisture proof, ... deformation & No cracking )l Anti-seismic & Impact-resistance: with scientific structure (alveolus inner structure)l Environmental friendly: without any ... index Items Product size(mm) 50 75 100 120Anti-impact capacity/times ≥10 ≥10 ≥10 ≥10Anti-bending ...