項目

Item

技術(shù)指標

顆粒外觀

Appearance

色粒，個/kg ≤

Coloring, pcs/kg ≤

10

蛇皮粒和拖尾粒，個/kg ≤

Striped pellets & angle hair, pcs/kg ≤

15

大粒和小粒，g/kg ≤

Over or undesized pellets, g/kg ≤

5

熔體流動速率，g/10min

MFR, g/10min

0.70~1.3

密度，g/cm3

Density, g/cm3

0.918~0.922

拉伸斷裂應(yīng)力，MPa ≥

Tensile strength at break, MPa ≥

12.0

斷裂標稱應(yīng)變，%≥

Elongation at break, % ≥

500

落鏢沖擊破損質(zhì)量(膜厚0.030mm)，g，

Falling weight impact, g

實測

霧度，% ≤

Haze, % ≤

14

開口性

易于揭開

魚眼

Fish eye

0.8mm，個/1520cm2 ≤

0.8mm, pcs/1520cm2 ≤

6

0.4mm，個/1520cm2 ≤

0.4mm, pcs/1520cm2 ≤

15