LDPE (low density polyethylene # LDPE) / N220 / Shanghai Petrochemical material description specification level chemical resistance, film, blow molding plastic sheeting material uses Remarks polymer type: poly raw technical data Performance Project test conditions [ state] test data units Basic properties of melt flow rate of 190 ℃ / 2.16kg 2.2 g / 10min density of 23 ℃ 0.9200 g / cm3 mechanical properties of elongation at 200mm / min 550% Cleanliness 15 / kg tensile strength of 11.0 MPa Other properties haze of 16% moisture qualified fisheye chain 0.5 ~ 2mm ≤390 months / 20m2 hue ≤-16 ≤19 months or more impurities 0.1mm / 100g striped fish eye level ≥B 20 / 1200cm2