HDPE Iran Petrochemical BL3
HDPE Iran Petrochemical BL3 Resin
Material Introduction: HDPE Iran Petrochemical BL3 is a high‑density polyethylene grade. It delivers excellent performance in blow‑molding and hollow forming field with high rigidity, good flowability and impact strength.
Main Applications
Packaging containers: small blow‑molded bottles and containers for pharmaceutical packaging, surfactant packaging (detergent, cosmetic containers) and food‑related packaging.
Other applications: sheets for subsequent thermoforming processing.
Physical Properties
| Performance Category | Test Item | Test Condition | Test Standard | Value / Range | Unit |
|---|---|---|---|---|---|
| Basic Properties | Density | 23℃ | ISO 1183 | 0.954 | g/cm³ |
| Melt Flow Rate | 190℃ / 21.6 kg | ISO 1133 | 23 | g/10min | |
| Melt Flow Rate | 190℃ / 5.0 kg | DIN 53735 | 1.0 | g/10min | |
| Shore Hardness | ‑ | ISO 868 | 62 | ‑ | |
| Mechanical Properties | Yield Stress | ‑ | ISO 527 | 26 | MPa |
| Break Stress | ‑ | ISO 527 | 32 | MPa | |
| Elongation at Break | ‑ | ISO 527 | >600 | % | |
| Yield Elongation | ‑ | ISO 527 | 10 | % | |
| Tensile Modulus | 23℃, v=1mm/min | ISO 527 | 1250 | MPa | |
| Flexural Creep Modulus | 1min | DIN 19537‑2 | 1300 | MPa | |
| Charpy Notched Impact Strength (23℃) | ‑ | ISO 179/1eA | 10 | kJ/m² | |
| Izod Notched Impact Strength | ‑ | DIN 53453 | >6.5 | kJ/m | |
| Environmental Stress‑Cracking Resistance | 80℃, 2% Arcopal, @3.5 MPa | ISO CD 16770 | 5 | h | |
| Environmental Stress‑Cracking Resistance | 70℃, 0.5 bar | Hoechst HDPE 19 | Min. 2 | hr | |
| Thermal Properties | Vicat Softening Temperature | ‑ | ISO 306 | 77 | ℃ |
| Brittleness Temperature | ‑ | ASTM D‑746‑72 | <‑80 | ℃ | |
| Other Properties | Swell Ratio | ‑ | Internal Method | 120 | % |
| Yellowness Index | ‑ | ‑ | <4 | yi |
Blow‑molding Processing Parameters
| Processing Parameters | Recommended Range | Remarks |
|---|---|---|
| Barrel Temperature (Rear) | 160‑180℃ | Feeding zone, prevent material bridging |
| Barrel Temperature (Middle) | 180‑200℃ | Compression zone, preliminary melting |
| Barrel Temperature (Front) | 200‑220℃ | Metering zone, melt homogenization |
| Die‑head Temperature | 200‑210℃ | Control parison quality and verticality |
| Melt Temperature | 180‑220℃ | Ensure sufficient melt strength to avoid parison sagging |
| Mold Temperature | 20‑50℃ | Affect cooling rate and surface finish |
| Blow‑air Pressure | 0.4‑1.0 MPa | Adjust according to part size and complexity |
Disclaimer: All above data is for reference only.



