... PP Corrugated Sheet is absolutely harmless and smelless, and moisture resistance & anticorrosion. Its special and great properties such ... weight, good toughness, durability, rigidity, high tensile strength, moisture resistance, recycable ect.6) Non-toxic, pollution-free, corrosion- ... Innocuous, non-taste 3) Pollution-free 4) Waterproof, moisture-resistant 5) Shock resistant 6) Ageing resistant 7) ...