Marlex® HHM TR-418Q
- Chevron Phillips Chemical Company LLC
- Marlex®
- MEDIUM DENSITY POLYETHYLENE (MDPE)
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Marlex® HHM TR-418Q Polyethylene is the high performance medium density polyethylene is an ethylene-hexene copolymer that is tailored for demanding pressure pipe applications.
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Documents
Technical data sheetProduct Details
- Manufacturer
Chevron Phillips Chemical Company LLC - Brand
Marlex®
- Plastic Generic Family
Polyethylene (PE) - Plastic Generic Symbol
MEDIUM DENSITY POLYETHYLENE (MDPE)
Properties
Attributes
Material Status
Commercial: ActiveFeatures
High performance medium density polyethylene | Ethylene-hexene copolymer | Good long-term hoop strength | UV stabilizer for good outdoor storage life | Outstanding resistance to slow-crack growthApplications
Energy piping systems | Oil field pipe | Industrial pipePhysical Form
GranulesProcessing Grades
Pipe gradeProcessing Technology
Pipe ExtrusionIndustry
Pipe IndustryCertifications
ASTM D4976 - PE 225 | NSF 3rd party ASTM D2513 certified | Cell Class PE234373E and PE234375E | PPI designations PE 2708 and PE 80 | CSA approved for natural gasPhysical Properties
| Title | Value | Unit | Method | Additional Information | Property Notes |
|---|---|---|---|---|---|
| Density | 0.939 | gm/cm³ | ASTM D1505 | - | - |
| Melt Flow Rate | 20.0 | gm/10 min | ASTM D1238 | (HLMI, 190 °C/21.6 kg) | - |
| Melt Flow Rate | 0.20 | gm/10 min | ASTM D1238 | (MI, 190 °C/2.16 kg) | - |
Mechanical Properties
| Title | Value | Unit | Method | Additional Information | Property Notes |
|---|---|---|---|---|---|
| Flexural Modulus | 620 | MPa | ASTM D790 | ( 2 % Secant - 16:1 span:depth, 0.5 in/min) | - |
| Tensile strength at Yield | 19 | MPa | ASTM D638 | (2 in/min, Type IV bar) | - |
| Tensile Elongation At Break | 800 | % | ASTM D638 | (2 in/min, Type IV bar) | - |
Thermal properties
| Title | Value | Unit | Method | Additional Information | Property Notes |
|---|---|---|---|---|---|
| Brittleness Temperature | <-75 | °C | ASTM D746 | (Type A, Type I specimen) | - |
| Plastic Generic Family | Polyethylene (PE) |
|---|---|
| Plastic Generic Symbol (Sub Group) | MDPE Prime / Virgin Resin |
| Material Status | Commercial: Active |
| Features | Ethylene-hexene copolymer, Good long-term hoop strength, High performance medium density polyethylene, Outstanding resistance to slow-crack growth, UV stabilizer for good outdoor storage life |
| Applications | Energy piping systems , Industrial pipe , Oil field pipe |
| Physical Form | Granules |
| Processing Grades | Pipe grade |
| Processing Technology | Pipe Extrusion |
| Industry | Pipe Industry |
| Certifications | ASTM D4976 - PE 225, Cell Class PE234373E and PE234375E, CSA approved for natural gas, NSF 3rd party ASTM D2513 certified, PPI designations PE 2708 and PE 80 |
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