PVC Zhenyang Zhejiang ZY‑1000S
PVC Zhenyang Zhejiang ZY‑1000S
Material Introduction: PVC Zhenyang Zhejiang ZY‑1000S is a polyvinyl chloride resin with well‑balanced processability. It features moderate viscosity, easy plasticization, excellent mechanical properties, stable chemical performance and favorable processing performance.
Main Applications
Soft‑grade products: soft films (packaging films, agricultural films), artificial leather, insulation layers and sheaths for wires and cables, hoses, etc.
Rigid‑grade products: pipes, profiles, boards, sheets, etc.
Other fields: shoe soles, toys, daily‑consumer goods and packaging materials, etc.
Physical Properties
| Test Item | Test Standard | Unit | Typical Value / Range (Reference) |
|---|---|---|---|
| Average Degree of Polymerization | GB/T 5761 | P | 1000‑1100 |
| Viscosity Number | GB/T 3401 | mL/g | 107‑118 |
| K‑Value | GB/T 3401 | ‑ | 66‑68 |
| Bulk Density | ‑ | g/ml | 0.47‑0.57 |
| Volatile Matter Content | ‑ | % | ≤0.40 |
| Sieve Residue (0.25 mm sieve) | ‑ | % | ≤2.0 |
| Sieve Residue (0.063 mm sieve) | ‑ | % | ‑ |
| Fish‑eye Count | ‑ | pcs/400cm² | ≤10 |
| Plasticizer Absorption | ‑ | g/100g resin | ≥17 (reference) |
| Impurity Particle Count | ‑ | pcs/100g | ≤16 |
| Whiteness (160℃, 10 min) | ‑ | % | ≥78 |
| Residual Vinyl Chloride Monomer | ‑ | μg/g (ppm) | ≤3 |
Processing Parameters
| Process Step / Parameter | Unit / Condition | Typical Value / Range (Reference) | Remarks & Description |
|---|---|---|---|
| Material Pre‑treatment | ‑ | Normally no drying required | Dry at 80‑90 °C for 1‑2 hours if moisture‑absorbed |
| Extruder Barrel Temperature | ‑ | Note: PVC is heat‑sensitive, thermal stabilizer must be added | |
| Feed Section | ℃ | 150‑165 | For reference only; adjust according to formulation and equipment |
| Compression Section | ℃ | 165‑175 | For reference only; adjust according to formulation and equipment |
| Metering Section | ℃ | 175‑185 | For reference only; adjust according to formulation and equipment |
| Extrusion Die Temperature | ℃ | 180‑190 | For reference only; adjust according to formulation and equipment |
| Injection Molding Barrel Temperature | ‑ | Note: PVC is heat‑sensitive, thermal stabilizer must be added | |
| Rear Zone | ℃ | 150‑160 | For reference only; adjust according to formulation and equipment |
| Middle Zone | ℃ | 160‑170 | For reference only; adjust according to formulation and equipment |
| Front Zone | ℃ | 170‑180 (not to exceed 190 °C) | For reference only; adjust according to formulation and equipment |
| Injection Nozzle Temperature | ℃ | 160‑170 | For reference only; adjust according to formulation and equipment |
| Melt Temperature | ℃ | 170‑190 | Do NOT exceed 210 °C to avoid decomposition |
| Injection Pressure | bar | up to 1500 | |
| Screw Speed | rpm | 20‑50 | Avoid high speed to prevent shear overheating |
| Mold Temperature | ℃ | 30‑60 | |
| Thermal Stability Reminder | ‑ | Stabilizer addition is mandatory | PVC tends to decompose under over‑heating or prolonged heat exposure |
Disclaimer: All above data is for reference only.
