... Impact Strength):23N/mm2Flexural Strength:≥ 580 psi, AC-386Resistance to Mold and Mildew:ASTM D-3273Toxicity Testing: Structural Performance: ... world, which offers superior performance in every category when compared to traditional wood, gypsum products.A new and superior non ... feel like hard cement plastering but is fireproof and resistant to damage from water, humidity, freezing, organisms, chlorine, ...