Comparison of PVC Pipe Production Formula
Formula of PVC-U pipe material of organic tin system
component | formula 1 | formula 2 | component | formula 1 | formula 2 |
PVC S - 65 | 100 | 100 | Titanium dioxide | 1.5 | 1.0 |
Organic tin stabilizer | 0.2～0.4 | 0.2～0.4 | paraffin |
| 1.2 |
Calcium stearate | 0.5～0.8 | 0.8 | ACR |
| 0.4～0.8 |
Polyethylene wax | 0.3～0.6 |
| ACR (impact modifier) |
| 1.5～2.0 |
Microcrystalline wax | 0.6～1.0 |
| C | 0.005 |
|
Calcium carbonate | 10～12 | 10～30 |
|
|
|
Formula of PVC-U pipe material of lead salt system
component | formula 1 | formula 2 | formula 3 | formula 4 | formula 5 |
PVC | SG5 100 | K=62-65 100 | SG5 100 | SG5 100 | K=66 100 |
3 pbo. PbSO4 | 5.0 | 1.0 | 5.5 | 4 | 1.8～2.5 |
Lead stearate | 0.5 | 0.8 | 0.7 | 0.5 |
|
Calcium stearate | 0.5 | 0.4 | 1 | 0.8 |
|
Barium stearate | 2 |
| 1 | 1.2 |
|
Calcium carbonate |
| 5.0 |
| 10 | 5.0 |
Barium sulfate | 10 |
| 10 |
|
|
TiO2 |
| 1.0-1.5 |
|
| 1.0～1.2 |
paraffin |
|
| 1 | 0.8 |
|
Polyethylene wax |
| 0.2 |
|
|
|
Oxidized polyethylene wax |
| 0.15 |
|
|
|
Stearic acid |
| 0.6 |
|
|
|
Carbon black |
| 0.05 |
|
| 0.05 |
pigment | moderate |
| moderate | moderate |
|
After comparison, Design formula
PVC resin | 100 | Barium stearate | 1.2 |
CPE resin | 4 | paraffin | 0.4 |
3 pbo. PbSO4 | 4 | PE wax | 0.2 |
Lead stearate | 2 | Light calcium carbonate | 40 |
