MDPE S403820 is a medium-density polyethylene with a broad molecular weight distribution and high melt strength. Produced using 1-hexene as a comonomer, this grade is designed for thin films with high tear resistance, good sealability, high strength, and excellent drawdown ability.
General Information:
- Status: Commercial: Active
- Application: Blown film extrusion, Geomembrane, High-strength carrier bags, Uni/multi-wall packaging
- Form(s): Pellet
Attributes:
- High tear resistance
- High strength
- Good sealability
Additives:
- Antioxidant: Yes
- Processing Aid: No
- Antiblock: No
- Slip Agent: No
| Property | Typical Value | Unit | Test Method |
|---|---|---|---|
| Physical | |||
| High Load Melt Flow Index (190°C/21.6 kg) | 20 | g/10 min | ISO 1133 |
| Density | 0.938 | g/cm³ | ISO 1183 |
| Bulk Density | > 0.50 | g/cm³ | ISO 60 |
| Mechanical | |||
| Tensile Modulus of Elasticity | 650 | MPa | ISO 527-1,2 |
| Tensile Stress at Yield | 20 | MPa | ISO 527-1,3 |
| Tensile Strain at Yield | 10 | % | ISO 527-1,3 |
| Ball Indentation Hardness (H 49/30) | 34 | MPa | ISO 2039-1 |
| Shore D Hardness | 44 | – | ISO 868 |
| Failure Energy | 7 | J/mm | DIN 53373 |
| Dart Drop Impact | 120 | g | ASTM D1709 |
| Thermal | |||
| Deflection Temperature Under Load (0.45 MPa) | 61 | °C | ISO 75 |
| Deflection Temperature Under Load (1.8 MPa) | 38 | °C | ISO 75 |
Recommended Process Conditions:
- Extruder Temperature Profile: 190-240°C
- Blow-Up Ratio: 3-5
- Film Thickness: 10-50 μm
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