| About |
|---|
| FINGERPRINT™ DFDD-7525 NT is a medium density polyethylene resin designed for use in thin-wall microirrigation tape applications. This product was designed to offer good profile extrusion processing characteristics coupled with great application performance attributes such as toughness, burst strength and environmental stress crack resistance. Main Characteristics: High tensile strength High burst strength High environmental stress crack resistance Industrial Standards Compliance: ASTM D 3350: cell classification PE234510A&& |
| Product Description | |
|---|---|
| Supplier | DOW |
| Generic | MDPE |
| Material Status | Commercial: Active |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.940 | g/cm³ | ASTM D972 |
| Melt Flow Rate | ASTM D1238 | ||
| 190℃，2.16kg | > 0.15 | g/10min | ASTM D1238 |
| 190℃，21.6kg | 20 | g/10min | ASTM D1238 |
| ESCR(Environmental Stress Cracking Resistance) | |||
| F0 | > 2000 | hr | ASTM D1693A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | < -100 | ℃ | ASTM D746A |
| Vicat Softening Temp | 116 | ℃ | ASTM D1525 |
| Melting temperature | |||
| DSC | 125 | ℃ | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 55 | ASTM D2240 | |
| tensile strength | ASTM D638 | ||
| yield | 26.2 | MPa | ASTM D638 |
| fracture | 30.0 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | > 800 | % | ASTM D638 |
| Bending modulus | 689 | MPa | ASTM D790 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Melt temperature | 220 to 250 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Compression molded parts prepared according to ASTM D 1928 Procedure C. Properties will vary with changes in molding conditions and aging time. |
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