PVC SG3,SG5,SG7,SG8
| Parameter |
Grade |
| Standard: GB5761-1993 |
SG3 |
SG5 |
SG7 |
SG8 |
| K - Value |
72 - 71 |
66 - 68 |
62 - 60 |
59 - 55 |
| Polymerizing Index |
1300 +/-50 |
1000 +/-50 |
800 +/-50 |
700 +/-50 |
| Number of impurity particles ( ≤) |
16 |
16 |
20 |
20 |
| Volatile content (incl. Water) (% ≤) |
0.3 |
0.4 |
0.4 |
0.4 |
| Apparent density (≥) |
0.42 |
0.48 |
0.48 |
0.5 |
| Particle size |
≥ 0.25mm ≤ |
2 |
2 |
2 |
0.4 |
| ≥ 0.063mm ≥ |
95 |
95 |
95 |
95 |
| Number of Fish Eye (/400 cm2) (≤) |
20 |
20 |
30 |
30 |
| Plasticizer absorption of 100g resin ( ≥) |
26 |
19 |
12 |
22 |
| Whiteness (160°C, after 10 min.) (% ≥) |
78 |
78 |
75 |
75 |
| VCM Residue PPM ( ≤) |
5 |
5 |
5 |
5 |
PVC Transparent Granules: Hardness can be customized.
| PVC Transparent Grade |
| Material |
PVC |
| Features |
Environmentally non-toxic, food contact grade |
| Application |
Sealing ring, cushioning, sporting goods, stationery, toys, hose, shoe material |
| Process |
Injection |
| Physical Properties |
Test Condition |
Unit |
75A |
| Density |
|
G/cm3 |
1.25 |
| PH |
Difference from the blank contrast solution |
|
≤1.0 |
| Residual transformed metal |
|
g |
≤0.3 |
| Water Absorption |
|
% |
≤0.3 |
| Ash Content |
|
mg/g |
≤1.0 |
| VCM Content |
|
μg/g |
≤1.0 |
| Mechanical Properties |
Test Condition |
Unit |
75A |
| Elongation at Break |
|
% |
≥250 |
| Tensile Strength |
|
MPa |
≥13 |
| Thermal Properties |
Test Condition |
Unit |
75A |
| Thermostability |
180℃ |
min |
≥45 |
| Hardness |
Test Condition |
Unit |
75A |
| Hardness |
Shore A |
|
75±2 |
PVC Paste Resin
| Model |
Features |
Application |
| P440 |
Medium molecular weight universal resin, polymerization degree about 1500, K value 73-75, good transparency, thermal stability and water resistance, weather resistance. |
Non - foaming and micro - foaming artificial leather, can be used for spray metal coating, glass fiber and impregnation and general products. |
| P450 |
Low molecular weight paste resin, polymerization degree about 1000, K value 65, good foaming and high-speed scraping, can be incorporated into the content of filler |
the foam layer of elastic floor, foam artificial leather and wallpaper.
|
| R1069 |
High molecular weight paste resin, polymerization degree about 1900, K value 82, has good tensile strength, water resistance, heat stability and transparency. |
Elastic floor, artificial floor wear-resistant layer of special resin, wallpaper, toys, bottle cap pad |
| P455 |
Low polymerization degree resin, polymerization degree about 900, K value 63, has good foaming pore and pore stability, has better bubble structure than P450. |
the foaming layer of foaming wallpaper, elastic floor, foaming artificial leather |
