| About |
|---|
| UNIGARD™ RE DFDA-1638 Natural is a non-halogen, flame retardant, thermoplastic, low smoke, low corrosive, and low toxic compound. It has been designed for general purpose, medium and low voltage applications. If needed, standard color concentrates (EVA or PE based) can be used. Used as jacket, it is designed to pass the IEC-332-3, the IEEE-383/UL-1685 vertical tray cable burn tests. Cable construction, of course, plays an important role in flame performance. DFDA-1638 Natural can be used as jacket for 90°C rated cables. DFDA-1638 Natural is also designed to maximize processing and flame performance. This compound can sustain extrusion temperatures up to 362°F (200°C) and can be extruded in typical single-flight metering PE screws, barrier screws, Maddock screws, and screws with mixing pins. Features UNIGARD RE DFDA-1638 Natural provides the following features: Highly flame retardant (VW-1, IEC-332-3, IEEE 383 flame test ratings) Environmentally friendly (lead-free, halogen-free, sulfur/antimony-free) Low smoke, low corrosivity, and low toxicity UV stabilized Contains copper inhibitor Ease of extrusion and no special screw required Good electrical properties, moisture resistance, and fluid resistance Good balance of toughness and flexibility Excellent cut-through, crush, and abrasion resistance Colorable for insulation and jacket applications&& |
| Product Description | |
|---|---|
| Supplier | DOW |
| Generic | 热塑性聚酯 |
| Material Status | Commercial: Active |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.50 | g/cm³ | ASTM D1505 |
| Mechanical water absorption rate | |||
| 70℃，7days | 9.50 | mg/in² | UL 1581 |
| ESCR(Environmental Stress Cracking Resistance) | |||
| 10% non-ionic detergent | 720 | hr | ASTM D1693 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tear strength | 6.13 | kN/m | ASTM D470 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile strength retention rate | |||
| 10 days，110℃ | 110 | % | ASTM D638 |
| Elongation retention rate | |||
| 10 days，110℃ | 89 | % | ASTM D638 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | -25.0 | ℃ | ASTM D746 |
| thermal deformation | UL 1581 | ||
| 90℃ | 2.8 | % | UL 1581 |
| 100℃ | 10 | % | UL 1581 |
| 121℃ | 48 | % | UL 1581 |
| Oxygen sensing time | |||
| Al pans，no crimping，no screen，100 ml oxygen/min | 25 | min | ASTM D3895 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | |||
| 23℃ | 3.5E+14 | ohms·cm | ASTM D257 |
| Dielectric constant | ASTM D150 | ||
| 60 Hz | 3.42 | ASTM D150 | |
| 100 kHz | 3.49 | ASTM D150 | |
| 1 MHz | 3.42 | ASTM D150 | |
| 6 MHz | 3.34 | ASTM D150 | |
| Dissipation factor | ASTM D150 | ||
| 60 Hz | 3.7E-3 | ASTM D150 | |
| 100 kHz | 7.6E-3 | ASTM D150 | |
| 1 MHz | 0.014 | ASTM D150 | |
| 6 MHz | 0.016 | ASTM D150 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Extreme oxygen index | 39 | % | ASTM D2863 |
| Acid gas test | |||
| Generation | 0.47 | % | MIL C-24643 |
| toxicity | 1.40 | NES 713 | |
| Acid gas emission pH | 4.50 | IEC 754-2 | |
| Conductivity of acidic gas emissions | No conductivity increase of the test fluid | IEC 754-2 | |
| Temperature index (combustion) – Critical | > 350 | ℃ | NES 715 |
| smoke | |||
| 2.54 mm | 5.30 | NES 711 | |
| Smoke density | ASTM E662 | ||
| Flaming Mode – D1.5：2.54 mm | 0.62 | ASTM E662 | |
| Flaming Mode – D4.0：2.54 mm | 1.0 | ASTM E662 | |
| Flaming Mode – Dm，（corr.）：2.54 mm | 82 | ASTM E662 | |
| Non combustion mode – D1.5:2.54 mm | 0.24 | ASTM E662 | |
| Non combustion mode – D4.0: 2.54 mm | 16 | ASTM E662 | |
| Non combustion mode – Dm, (cor.): 2.54 mm | 290 | ASTM E662 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 89 | ASTM D2240 | |
| tensile strength | 12.4 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 180 | % | ASTM D638 |
| Bending modulus | |||
| 1% secant | 214 | MPa | ASTM D790 |
| Wear resistance | |||
| 1000 cycle | 2 | % | ASTM D1044 |
| Shrinkback（4 hrs，100℃） | 1.0 | % | REA 89 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. No Cracks |
| 3. #14 AWG (1.63 mm dia.) solid copper conductor with 0.030 in (0.76 mm) insulation. |
| 4. #14 AWG (1.63 mm dia.) solid copper conductor with 0.045 in (1.1 mm) insulation. |
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