Product Overview
Xinjiang Zhongtai PVC SG-3 is a high-viscosity suspension grade certified to GB/T 5761-2018. The table includes superior-grade limits and available results for batch 251140488-1 dated 18 July 2025.
Grade
Grade: SG-3. Polymer family: suspension polyvinyl chloride (PVC). Appearance: white powder.
Typical Applications
- Flexible PVC compounding
- High-molecular-weight PVC formulations
Technical Data
| Property | Specification / result | Unit | Source / method |
|---|---|---|---|
| Appearance | White powder; conforms | — | GB/T 5761-2018 |
| Viscosity number | 127–135; result 131 | mL/g | GB/T 5761-2018 |
| Volatiles including water | ≤ 0.30; result 0.15 | % | GB/T 5761-2018 |
| Impurity particles | ≤ 16; result 8 | particles | GB/T 5761-2018 |
| Residue on 250 µm sieve | ≤ 1.6 | % | GB/T 5761-2018 |
| Passing 63 µm sieve | ≥ 97 | % | GB/T 5761-2018 |
| Apparent density | ≥ 0.45; result 0.49 | g/mL | GB/T 5761-2018 |
| Conductivity of water extract | ≤ 5 | µS/(cm·g) | GB/T 5761-2018 |
| Fish eyes | ≤ 20; result 7 | per 400 cm² | GB/T 5761-2018 |
| Whiteness after 160 °C, 10 min | ≥ 78 | % | GB/T 5761-2018 |
| Residual VCM | ≤ 5 | µg/g | GB/T 5761-2018 |
| Plasticiser absorption | ≥ 26 | g/100 g | GB/T 5761-2018 |
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