PVC Resin Product Specifications

Standard: GB5761-1993

SG3

SG5

SG7

SG8

K - Value  K值

72 - 71

66 - 68

62 - 60

59 - 55

Polymerizing Index 聚合指数

1300 +/-50

1000 +/-50

800 +/-50

700 +/-50

Number of impurity particles ( ≤) 

杂质颗粒数(≤)

16

16

20

20

Volatile content (incl. water) (% ≤)

 挥发分(含水)(%≤)

0.3

0.4

0.4

0.4

Apparent density (≥)             

表观密度(≥)

0.42

0.48

0.48

0.50

Particle size

粒径

≥ 0.25mm ≤

2.0

2.0

2.0

0.4

≥ 0.063mm ≥

95

95

95

95

Number of Fish Eye (/400 cm2) (≤) 

鱼眼数

20

20

30

30

Plasticizer absorption of 100g resin ( ≥) 

增塑剂吸收量

26

19

12

22

Whiteness (160°C, after 10 min.) (% ≥)

白度

78

78

75

75

VCM Residue PPM ( ≤)

残留PPM(≤)

5

5

5

5