ITEM

Index Of SG3 Superior Class

Index of SG5 Superior class

Index of SG7 Superior class

Index ofSG8 Superior class

VISCOSITY NUMBER(mL/g)

135-12(72-71)

118-107(68-66)

95-87(62-60)

86-73(59-55)

NUMBER OF IMPURITY PARTICLE

16

16

20

20

VOLATILE MATTER AND MOISTURE CONTENT/%

0.3

0.4

0.4

0.4

APPEARANCE DENSITY(g/mL)

0.45

0.48

0.5

0.5

RESIDUAL AFTER SIEVE/%

250μm筛孔≤0.25mm≤

2

2

2

2

63μm 筛孔≥ 0.063mm≤

95

95

95

95

NUMBER OF GRAIN/(EACH/400cm2)≤

20

20

30

30

i^nn

PWSTICIZERABSORBENCY VALUE OF 100gPVC/g ≥

26

19

12

12

THERMALSTABILnY_TENESSDEGR£E)(16(rC,10minl/%≥

78

78

75

75

RESIDUAL CHLORE THYLENE CONTENT/ (μg/g )≤

5

5

5

5