They are all amde from HDPE material.
Basic description of specification and level: Thin?film level, apperance color: The purposes of white particle: It is mainly used in the production of shopping bag, grocery bag , multi-layer lining film, weather resistance film, etc. characteristics: It has good heat resistance and cold resistance. Good chemical stability and high stiffness and toughness. Good mechanical strength, dielectric properties and good property of environmental stress cracking resistance.