1.Plastic row material used for HDPE pipe 2. Black granules 3. Super plasticizing Plastic Raw Material, for HDPE Pipe Apperance: Blanck GranulesTensile strength: 10-25Elongation at break %: 200-500Heat of fusion J/g: 0.5-20Ash content: 0.2-0.6Moisturer: 0.2-0.6Have super good plasticlizing. Plastic Raw Material, for HDPE Pipe