... and toughness 3.any color is available 1.modified flame retardant pp granule2.pp plastic,strengthness and toughness3.any ... composites and nanocomposites, with higher strength and toughness, better flame retardant, abrasion resistance and anti-static properties. These material ... the SGS environmental protection product certification and our flam-retardant product series has obtained the USA UL Yellow- ...