Polyvinyl Chloride Resin

SG3

SG5

SG8

GB5761-1993

Inspection item

Guaranteed Value

K value 
Viscosity number

72 71
135 - 127

68 66
118 - 107

59 55
86 - 73

Number of impurity particles

≤ 16

≤ 16

≤ 20

Volatile content (incl. water)%

≤ 0.30

≤ 0.40

≤ 0.40

Apparent density

≥ 0.45

≥ 0.45

≥ 0.48

Particle size

≤2.0

≤ 2.0

≤ 2.0

≤ 2.0

≥90

≥ 90

≥ 90

≥ 90

Number of Fish Eye (/400 cm2)

≤ 20

≤ 20

≤ 30

Plasticizer absorption of 100g resin

≥ 26

≥ 20

≥ 14

Whiteness (160, after 10 min.) %

≥ 80

≥ 80

≥ 80

VCM Residue PPM

≤ 3

≤ 3

≤ 3

Packing:

In 25kg net bags of PP lined with PE or paper bag.