LDPE (low density polyethylene # LDPE) / LD605 / Yanshan Petrochemical raw materials specification level description of the expected use of ultra-thin film film raw technical data Performance Project test data units Basic performance density of 0.9200 ~ 0.9240 g / cm3 melt flow rate of 4.5 ~ 7.5 g / 10min Mechanical properties of elongation at break ≥100% ≥8 MPa tensile strength Shore ≥42 shore D hardness of the thermal performance of the melting point of 106 ~ 111 ℃ Vicat softening point of ≥86 ℃