| About |
|---|
| Polyethylene MDPE HL 323: Excellent balance of stiffness and impact strength; good puncture resistance; excellent compatibility with LDPE and LLDPE; good tensile strength; good heat sealing characteristics. Applications: MDPE HL 323 is recommended for specialty merchandise bags, mailing envelopes, heavy-duty shipping sacks, pallet shrink films, fresh cut produce packaging, coextrusion.&& |
| Product Description | |
|---|---|
| Supplier | TOTAL |
| Generic | MDPE |
| Material Status | Commercial: Active |
| Features | Good heat sealing,Good Tensile Strength,Puncture Resistant |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.937 | g/cm³ | ASTM D792 |
| Melt Flow Rate | ASTM D1238 | ||
| 190℃，2.16kg | 0.23 | g/10min | ASTM D1238 |
| 190℃，21.6kg | 20 | g/10min | ASTM D1238 |
| film | Nominal value | Unit | Test method |
|---|---|---|---|
| film thickness | |||
| test | 25 | µm | |
| Secant modulus | ASTM D882A | ||
| 1% secant, MD: 25 µ m, blow molded film | 441 | MPa | ASTM D882A |
| 1% secant, TD: 25 µ m, blow molded film | 586 | MPa | ASTM D882A |
| tensile strength | ASTM D882A | ||
| MD, yield, 25 µ m, blow molded film | 12.4 | MPa | ASTM D882A |
| TD, yield, 25 µ m, blow molded film | 19.3 | MPa | ASTM D882A |
| MD, fracture, 25 µ m, blow molded film | 57.2 | MPa | ASTM D882A |
| TD, fracture, 25 µ m, blow molded film | 36.5 | MPa | ASTM D882A |
| Tensile strain | ASTM D882A | ||
| MD, fracture, 25 µ m, blow molded film | 500 | % | ASTM D882A |
| TD, fracture, 25 µ m, blow molded film | 900 | % | ASTM D882A |
| Drop hammer impact | |||
| 25 µ m, blow molded film | < 50 | g | ASTM D1709-A |
| Elmandorf tear strength | ASTM D1922 | ||
| MD: 25 µ m, blow molded film | 18 | g | ASTM D1922 |
| TD: 25 µ m, blow molded film | 1400 | g | ASTM D1922 |
| Water vapor transmittance | |||
| 25 µ m, blow molded film | 12 | g/m²/24 hr | ASTM F1249 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Melting peak temperature | 126 | ℃ | ASTM D3417 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Melt temperature | 193 to 216 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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