| About |
|---|
| MWG-1238 is a certified prime, High Molecular Weight Hexene copolymer developed for GEOMEMBRANE applications. MWG-1238 features outstanding ESCR, excellent melt strength and good processability. MWG-1238 applications include landfill liners, moisture barrier for tunnels and chemical tank containment liners.&& |
| Product Description | |
|---|---|
| Generic | MDPE |
| Material Status | Commercial: Active |
| Features | Excellent Processability,High molecular weight,Good melt strength,Copolymer,Hexene copolymers,High ESCR |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.938 | g/cm³ | ASTM D1505 |
| Melt Flow Rate | ASTM D1238 | ||
| 190℃，2.16kg | 0.080 | g/10min | |
| 190℃，21.6kg | 12 | g/10min | |
| ESCR(Environmental Stress Cracking Resistance) | |||
| 10% non-ionic detergent | > 1500 | hr | ASTM D1693B |
| 100% non-ionic detergent | > 1500 | hr | ASTM D1693C |
| SP（NCTL） | > 1.4 | month | ASTM D5397 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 58.9 | ℃ | ASTM D648-A |
| Embrittlement temperature | < -75.0 | ℃ | ASTM D746A |
| Vicat Softening Temp | 117 | ℃ | ASTM D1525 5 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 65 | ASTM D2240 | |
| tensile strength | |||
| yield | 17.9 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 850 | % | ASTM D638 |
| Bending modulus | |||
| tangent | 827 | MPa | ASTM D790 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Type IV, 2.0 in/min |
| 3. 0.50 in/min |
| 4. Type I Specimen |
| 5. Rate A (50°C/h), Loading 1 (10 N) |
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