LLDPE (linear low density polyethylene # linear LDPE) / YLF-1802 / YPC film material description specification level, the expected use of the micro-blown, the color film raw technical data Performance Project test conditions [state] method of test data Data unit Basic properties of melt flow rate of 190 ℃ / 2.16kg ASTM D1238-98 1.5-2.5 g / 10min density ASTM D1505-98 0.916 -0.921 g / cm3 physical properties of haze ASTM D1003-97 ≤14% mechanical properties Yield Tensile Strength ASTM D638-99 ≥8.3 MPa dart impact strength GB 9639-88 ≥80 g Elongation at break ASTM D638-99 ≥500% Other features large grain and pellets visual ≤10 g / kg of fish eyes 0.4mm GB / T 6595-1986 ≤4 months / 1520cm2 snakeskin and silk hair visual ≤20 months / kg fisheye 0.8mm GB / T 6595-1986 ≤8 months / 1520cm2 visual pollution particles ≤20 months / kg