Complaint
| Test items | Index value | Test results | ||
| First grade | Qualified product | 1-0001 | 1-0002 | |
| Appearance | White powder | White powder | White powder | White powder |
| Average degree of polymerization | 1000±150 | 1000±150 | 1000 | 1030 |
| B-viscosity (50r/min, DOP60 parts), / (103pas) ≤ | 7000 | 7000 | 7900 | 7800 |
| Mass fraction of volatile matter (including water)%≤ | 0.40 | 0.50 | 0.22 | 0.19 |
| Residue on sieve (0.063mm sieve opening)/%≤ | 1.0 | 2.0 | 0.3 | 0.3 |
| Residual vinyl chloride monomer content/(ug/g)≤ | 1.0 | 2.0 | 5 | 5 |
| Number of impurity particles/piece≤ | 20 | 40 | 10 | 8 |
| Product name | PVC paste resin | Lot No | 202211A0012 |
| Product standard | GB15592-2008 | Quantity | 106.500 |
| Date of production | 2022-11-17 | Inspection date | 2022-11-17 |
| Package Pockets | 4260 BAGS | Model | LF-51L |
| Inspeotions | Specifications | Results | ||
| Premium | First grade | Qualified product | ||
| Polymerization Degree | 1300±100 | 1307 | ||
| Standard paste viscosity (B type,mPa.s,30ºC) | 4000±2500 | 2040 | ||
| Number of ≤ impurity particles | 12 | 20 | 40 | 7 |
| Volatile Matter% ≤ | 0.40 | 0.50 | 0.50 | 0.26 |
| Residue on sieve% (63μm mesh) | 0.1 | 1.0 | 0.50 | 0.01 |
| Residual vinyl chloride content(μg/g) | 5 | 10 | 3.0 | 0.49 |
| Scraper fineness/μm | 100 | - | 10 | 36 |
| Result | Qualified | |||
