PE

Relative density (GB/T 1033): B≥1.35g/cm3, A≥1.55

Melt flow rate (190°C、2.16kg) (GB/T 3682): B 0.30-0.80g/10min, A 0.02-0.20g/10min

Oxygen index(GB/T 2406): B≥32%,A≥42%

Stretching the yield strength (GB/T 1040): B≥12.5Mpa, A≥8.0Mpa

Toxicity: the technical indexes base GA 132-1996 for safety third level（ZA.) provisions

Burning remaining minimum length(GB/T8625-88): 575mm

Burning surplus length average(GB/T8625-88): 614mm

Average temperature flue gas(GB/T8625-88): 97°C

Flame height (GB/T8626-88): 15mm

Density of smoke levels (GB/T8627-1999): 13