... 65g/cm3. 3) stronger than genral pp sheet. PP Foam Hard Board 10mm1) light than general pp sheet.2) Density:0.65g ... such as light weight, heat insulation, sound insulation, shockproof, high compression rigidity, etc that all the foamed products possess, it ... to 120ºC), good stress cracking resistance performance, and relatively high toughness, tensile strength and impact strength. It is a ...