Standard: GB/T 5761-2006, GB4803-1994

SG3

SG5

SG8

JH-1300

JH-1000

JH-800

K value

71-72

66-68

55-59

71-72

66-68

60-62

Viscosity

127-135

110-118

73-86

127-135

110-118

87-95

Everage degree of polymerization

1250-1350

1000-1100

650-750

1250-1350

1000-1100

750-850

Number of Impurity particle ≤

30

30

40

20

20

20

Volatile content % ≤

0.40

0.40

0.40

0.4

0.4

0.4

Apparent density, g/ml ≥

0.45

0.48

0.55

0.42

0.45

0.45

Particle size

≤0.25mm

2.0

2.0

2.0

2

2

2

≥0.063mm

90

90

90

90

90

90

Number of Fish Eye (/400cm2 ) ≤

20

20

30

20

20

20

Plasticizer absorbency value of 100g resin ≥

20

18

-

25

17

-

Whiteness (160oC, after 10min) ,%≥

78

78

75

80

78

75

Conductivity of aqueous extract【us/(cm.g】 ≤

5

-

5

-

-

Residue of VCM, mg/kg ≤

5

5

5

1

1

1

Residue of 1,1-dichloroethane ug/g ≤

50

50

50