| About |
|---|
| K38-20-188 is a natural, UV-stabilized medium density polyethylene pipe and tubing resin designed for natural gas distribution. When blended with an approved INEOS yellow masterbatch, the resulting formulation, known as K38-20-160, is recognized by the Plastics Pipe Institute as a PE2708 resin which exhibits excellent long term strength and outstanding environmental stress crack resistance and is certified to the material requirements of ASTM D2513 and CSA B137.4.&& |
| Product Description | |
|---|---|
| Supplier | INEOS |
| Generic | MDPE |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Copolymer,High ESCR |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.940 | g/cm³ | ASTM D4883 |
| Melt Flow Rate | ASTM D1238 | ||
| 190℃，2.16kg | 0.20 | g/10min | ASTM D1238 |
| 190℃，21.6kg | 20 | g/10min | ASTM D1238 |
| ESCR(Environmental Stress Cracking Resistance) | |||
| 10% non-ionic detergent, F50 | > 5000 | hr | ASTM D1693B |
| 100% non-ionic detergent, F50 | > 5000 | hr | ASTM D1693C |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 62 | ASTM D2240 | |
| tensile strength | |||
| fracture | 32.8 | MPa | ASTM D638 |
| yield | 19.3 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | > 800 | % | ASTM D638 |
| yield | 12 | % | ASTM D638 |
| Bending modulus | |||
| 2% secant | 621 | MPa | ASTM D790-A |
| Fundamentals of Hydrostatic Design | ASTM D2837 | ||
| 23℃ | 8.62 | MPa | ASTM D2837 |
| 60℃ | 6.89 | MPa | ASTM D2837 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，Area | 37.0 | kJ/m² | ASTM D256 |
| 23℃ | 370 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | < -118 | ℃ | ASTM D746 |
| Vicat Softening Temp | 120 | ℃ | ASTM D1525 |
| Oxygen sensing time | |||
| 210℃ | > 20 | min | ASTM D3895 |
| thermal stability | > 240 | ℃ | ASTM D3350 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Cell Classification | 234370D | ASTM D3350 | |
| Slow crack propagation PENT – Notch Tensile | > 500 | hr | ASTM F1473 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
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