PVC Tianjin Dagu DG‑1000K
PVC Tianjin Dagu DG‑1000K Resin
Material Introduction: PVC Tianjin Dagu DG‑1000K is a suspension‑polymerized polyvinyl chloride resin mainly applied for rigid transparent products. It features high bulk density, excellent thermal stability, good flowability and low residual monomer content.
Main Applications
Rigid pipes and profiles: door‑window profiles, stair handrails, etc.
Rigid sheets: packaging and decorative materials.
Transparent products: suitable for rigid articles requiring high transparency.
Others: monofilaments, sleeves and other industrial supplies.
Performance Parameters
| Test Item | Test Method / Condition | Unit | Value / Range (Reference) | Remarks |
|---|---|---|---|---|
| Average Degree of Polymerization | ‑ | ‑ | 1030±50 | |
| Bulk Density | ‑ | g/ml | 0.53±0.03 | |
| Fish‑eye Count | ‑ | pcs/100cm² | ≤5 | Index for superior‑grade product |
| Volatile Matter Content | ‑ | % | ≤0.30 | Index for superior‑grade product |
| Plasticizer Absorption | ‑ | g/100g | ≥17 | Index for superior‑grade product |
| Original Whiteness | ‑ | % | ≥90 | Index for superior‑grade product |
| Impurity Particle Count | ‑ | pcs/100g | ≤50 | Index for superior‑grade product |
| Heat‑Distortion Temperature | ASTM D648, 1.82 MPa | ℃ | ~65 (unplasticized) | Typical value for rigid PVC, greatly affected by formula |
| Tensile Strength | ASTM D638 | MPa | ~50 (unplasticized) | Typical value for rigid PVC, greatly affected by formula |
| Flexural Strength | ‑ | MPa | ~80 (modulus of elasticity) | Typical value for rigid PVC, greatly affected by formula |
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 |
| Extruder Barrel Temperature | ‑ | Note: PVC is heat‑sensitive material, thermal stabilizer must be added | |
| ‑ Zone 1 | ℃ | 160‑165 | For reference only; actual value adjusted according to formula and equipment |
| ‑ Zone 2 | ℃ | 170‑175 | For reference only; actual value adjusted according to formula and equipment |
| ‑ Zone 3 | ℃ | 180‑185 | For reference only; actual value adjusted according to formula and equipment |
| Die‑head Temperature | ℃ | 190‑195 | For reference only; actual value adjusted according to formula and equipment |
| Melt Temperature | ℃ | 185‑205 | |
| Injection Pressure (for injection molding) | bar | Up to 1500 | |
| Mold Temperature | ℃ | 20‑50 | |
| 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.
