Pvc Powder

PVC SG-5

Serial numberprojectSG-5Superior productsFirst GradeQualified products1Viscosity / (ml / g)118-107(or K value)68-66Average degree of polymerization1100-10002Number of impurity particles / piece ≤16308

  • Model: SG5

Serial number

project


SG-5

Superior products

First Grade

Qualified products

1

Viscosity / (ml / g)

118-107

(or K value)

68-66

Average degree of polymerization

1100-1000

2

Number of impurity particles / piece

16

30

80

3

Mass fraction of volatiles (including water) /%

0.4

0.4

0.5

4

Apparent density / (g / ml)

0.48

0.45

0.42

 

        5

Mass fraction of sieve residue /%

250 μ m mesh ≤

2

2

8

63 μ m mesh ≥

95

90

85

6

Number of "fish eyes" (pieces / 400cm2)

20

40

90

7

Absorption capacity of 100g resin plasticizer / g ≥

19

17

8

Whiteness (160 ℃, 10min) /% ≥

78

75

70

9

Conductivity of water extract / [μ s / (cm · g)] ≤

10

Residual PVC monomer content / (μ g / g) ≤

5

10

30

11

Main uses

It belongs to general resin and can be used to produce foaming materials, pipes, profiles, plates, etc.