PVC Tianjin Dagu DG‑1300
PVC Tianjin Dagu DG‑1300 Resin
Material Introduction: PVC Tianjin Dagu DG‑1300 is a polyvinyl chloride resin produced by suspension polymerization. Classified as rigid‑grade PVC, it is generally supplied in white powder form. It features excellent chemical resistance, favorable mechanical strength and electrical insulation performance.
Main Applications
Electrical insulation materials, agricultural films, surface films for artificial leather, all‑plastic sandals.
Performance Parameters
| Test Item | Test Method / Condition | Unit | Value / Range |
|---|---|---|---|
| Average Degree of Polymerization | ‑ | ‑ | 1300±50 |
| K‑Value | ‑ | ‑ | 71‑72 |
| Bulk Density | ‑ | g/ml | 0.49, 0.50±0.04 |
| Fish‑eye Count | ‑ | pcs/100cm² | ≤2 |
| Volatile Matter Content | ‑ | % | ≤0.18, ≤0.30 |
| Residual VCM Content | ‑ | μg/g | ≤0.2 |
| Whiteness (160℃, 10 min) | ‑ | % | ≥85 |
| Sieve Residue (0.35 mm sieve) | ‑ | % | ≤0.05 |
| Original Whiteness | ‑ | % | ≥85 |
Processing Parameters
| Process / Parameter | Unit / Condition | Value / Range (Reference) | Remarks & Description |
|---|---|---|---|
| Drying Treatment | ‑ | Normally not required | Dry at 80‑90℃ for 1‑2 hours if moisture‑absorbed |
| Injection Molding Barrel Temperature | ‑ | Note: PVC is heat‑sensitive material, thermal stabilizer must be added | |
| ‑ Rear Section | ℃ | 150‑160 | For reference only; actual value adjusted according to formula and equipment |
| ‑ Middle Section | ℃ | 165‑175 | For reference only; actual value adjusted according to formula and equipment |
| ‑ Front Section | ℃ | 175‑185 | For reference only; actual value adjusted according to formula and equipment |
| Nozzle Temperature | ℃ | 170‑180 | For reference only; actual value adjusted according to formula and equipment |
| Mold Temperature | ℃ | 30‑60 | |
| Injection Pressure | bar | Up to 1500 | |
| Screw Speed | rpm | 20‑50 | Excessively high speed shall be avoided to prevent overheating caused by shear force |
| Thermal Stability Notice | ‑ | Stabilizer addition is mandatory | PVC tends to decompose under overheating or long‑term heat exposure. Proper thermal stabilizers, lubricants and other additives shall be incorporated in formula. |
Disclaimer: All above data is for reference only.
