... meter4. Color: white, black, bule, green, grey,red, etc5. Available: Conductive corrugated sheet/board, Antastaticcorrugated sheet/board, Flame-retardant corrugated ... strength2. Non-toxic, Free of smell, Hygienic and suitable for foodcontact3. Waterproof, Low water absorption4. Heat resistance, thanks to ... , resuable, it has a longer life cyclePictures of sheets quality certification honeycomb board