LDPE (low density polyethylene # LDPE) / 18D0 / Daqing petrochemical raw materials specification level description foam, film for lamination of special use of the material for processing laminating products, foam products, raw technical data Performance Project test conditions [state] method of test data Data unit Basic properties of melt flow rate of 190 ℃ / 2.16kg GB / T 3682 1.10-1.90 g / 10min density of 23 ℃ GB / T 1033 0.9172-0.9208 g / cm3 cleanliness? GB / T 11115 ≤20 min / kg film appearance fisheye 0.3-2mm GB / T 11115 ≤30 N / 1200cm2 stripes ≥1cm GB / T 11115 ≤20 cm / 20m2 mechanical properties of tensile strength? GB / T 1040 ≥12.5 MPa Elongation at break 200mm / min GB / T 1040 ≥500%