|
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. |
