About |
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FINGERPRINT™ DFDC-7525 NT is a medium density polyethylene resin produced using Unipol™ process technology. It is intended for use in thin-wall micro irrigation tape applications and profile extrusion applications. DFDC-7525 NT exhibits good draw down characteristics producing tape with a reliable balance of extrusion ease and toughness. It also has utility as a blending component to modify and improve the physical properties of high pressure, very low density, linear low density, or high density polyethylene resins. Outdoor applications require the addition of UV stabilizer to maintain the excellent properties over extended periods of UV exposure. Dow DFNF-0092 carbon black masterbatch at a 6.5% concentration has been found to offer suitable UV resistance. Main Characteristics: High tensile properties High elongation properties Excellent burst strength Slip Additive: none Antiblock Additive: none Industrial Standards Compliance: ASTM D 3350: cell classification PE234510A&& |
Product Description | |
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Supplier | DOW |
Generic | MDPE |
Material Status | Commercial: Active |
Availabilitys | North America,Latin America,Asia Pacific,Europe |
Process Methods | Profile extrusion |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 0.939 | g/cm³ | ASTM D792 |
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 |
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Embrittlement temperature | < -100 | ℃ | ASTM D746A |
Vicat Softening Temp | 116 | ℃ | ASTM D1525 |
Melting temperature | |||
DSC | 125 | ℃ | Internal Method |
MECHANICAL | Nominal value | Unit | Test method |
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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 | |||
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Extrusion | Nominal value | Unit | Test method |
Melt temperature | 221 to 249 | °C |
Notes |
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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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