宁夏万博达冶金化工有限公司
Ningxia Wanboda Metallurgical & Chemical Co., Ltd.

Type

SG1

SG2

SG3

SG4

SG5

SG6

SG7

SG8

iscosity, ml/g(or K value)

156-144

(72-71)

143-136

(74-73)

135-127

(72-71)

1350-1250

126-119

(70-69)

1250-1150

118-107

(68-66)

1100-1000

106-96

(65-63)

950-850

95-87

(62-60)

850-750

86-73

(59-55)

750-650

Number of impurity particle≤

30

30

30

30

30

30

40

40

Volatiles content %,≤

0.40

0.40

0.40

0.40

0.40

0.40

0.40

0.40

Appearing density g/ml≥

0.42

0.42

0.42

0.45

0.45

0.45

0.45

0.45

Idu eafter sieve

0.25mm

≦

2.0

2.0

2.0

2.0

2.0

2.0

2.0

2.0

0.063mm

≥

90

90

90

90

90

90

90

90

Number of grain/400cm²≤

40

40

40

40

40

40

50

50

Plasticizer absorbency value of 100g resin g≥

25

25

25

22

17

15

-

-

Whiteness %,≥

75

75

75

75

75

75

70

70

Water extractant solution conductivity, 【us/(cm.g)】≤

5

5

5

-

-

-

-

-

Residual chlore thylene content mg/kg≤

10

10

10

10

10

10

10

10

Residual Ethyidenedichlorideug/g

150

150

150

150

150

150

150

150