① material description specification levels: film Color: white granules Application: Uses: mainly used to produce shopping bags, grocery bags, multi-lined film, weathering film. Remark: Features: has good heat resistance and cold. Good chemical stability, high rigidity and toughness. Good mechanical strength, dielectric properties, resistance to environmental stress cracking resistance is also good. ② raw technical data Performance Project test conditions [state] method of test data Data unit Basic properties of melt flow rate of superior grade First grade Qualified --- --- 9.0 ~ 13.0 9.0 ~ 14.0 8.0 ~ 15.0 g / 10min g / 10min g / 10min density superior grade First grade Qualified --- --- 0.948 ~ 0.951 0.947 ~ 0.952 0.946 ~ 0.953 g / cm3 g / cm3 g / cm3 mechanical properties of tensile yield strength of superior grade First grade Qualified --- --- ≥23.0 ≥22.0 ≥21.0 MPa MPa MPa Elongation at break Excellent grade First grade Qualified --- --- ≥600 ≥500 ≥500%%% Other properties superior grade Cleanliness First grade Qualified grain color color color tablets tablets --- 0 ~ 56 ~ 10 11 ~ 20 / kg a / kg / kg or cleanliness superior grade First grade Qualified miscellaneous grains miscellaneous grains miscellaneous grains - - 0 ~ 2021 ~ 4041 ~ 60 / kg a / kg / kg or fisheye superior grade First grade Qualified 8mm 8mm 8mm --- 0 ~ 1.5 1.6 ~ 3.0 1 ~ 8.0 个 / 1520cm2 a / 1520cm2 a / 1520cm2 powder ash superior grade First grade Qualified --- --- ≤0.04 ≤0.04 ≤0.05%%% fisheye superior grade First grade Qualified 0.4mm 0.4mm 0.4mm --- 0 ~ 15 16 ~ 25 26 ~ 40 / 1520cm2 a / 1520cm2 a / 1520cm2