项目

Item

技术指标

颗粒外观

Appearance

色粒，个/kg ≤

Coloring, pcs/kg ≤

10

蛇皮粒和拖尾粒，个/kg ≤

Striped pellets & angle hair, pcs/kg ≤

15

大粒和小粒，g/kg ≤

Over or undesized pellets, g/kg ≤

5

熔体流动速率，g/10min

MFR, g/10min

0.70~1.3

密度，g/cm3

Density, g/cm3

0.918~0.922

拉伸断裂应力，MPa ≥

Tensile strength at break, MPa ≥

12.0

断裂标称应变，%≥

Elongation at break, % ≥

500

落镖冲击破损质量(膜厚0.030mm)，g，

Falling weight impact, g

实测

雾度，% ≤

Haze, % ≤

14

开口性

易于揭开

鱼眼

Fish eye

0.8mm，个/1520cm2 ≤

0.8mm, pcs/1520cm2 ≤

6

0.4mm，个/1520cm2 ≤

0.4mm, pcs/1520cm2 ≤

15