| About |
|---|
| UNIGARD™ RE DFDC-1638 Black is a non-halogen, highly flame retardant, thermoplastic, low smoke, low corrosive, and low toxic compound. It is designed for general purpose cable jacket applications. Used as jacket, it easily passes the IEEE-383/UL-1685 (Limited Smoke Test) vertical tray cable burn tests. Cable construction, of course, plays an important role in flame performance. It can be used as a jacket on cables operating at up to 90°C. This compound can replace PVC, low smoke PVC, and halogenated rubbers as a jacket with excellent fire safety (low smoke, low corrosivity, and low toxicity) and good property balance. This compound meets or exceeds many industry jacket specifications: UL-1277 Tray Cable, UL Subject 444 for general purpose communication cable, mass transit applications, and several international applications. As a non-halogen, flame retardant jacket, DFDC-1638 Black is also designed to replace the conventional non-halogen jacket products. This compound has much better process-ability than current non-halogen jacket products. It can sustain a higher extrusion temperature (up to 392°F [200°C]), and can be extruded in the typical single-flight metering PE screws. Features UNIGARD RE DFDC-1638 Black provides the following features: Highly flame retardant (IEEE 383 flame test rating) Environmentally friendly (lead-free, halogen-free, sulfur/antimony-free) Low smoke, low corrosivity, and low toxicity Ease of extrusion and no special screw required Excellent cut-through, crush, and abrasion resistance Good UV, moisture and fluid resistance Good balance of toughness and flexibility Track and erosion resistant&& |
| 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 |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.50 | g/cm³ | ASTM D1505 |
| Mechanical water absorption rate | |||
| 70℃，7days | 14.3 | 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 | |||
| cracking | 6.1 | kN/m | ASTM D470 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile strength retention rate | ASTM D638 | ||
| 100℃ | 95 | % | ASTM D638 |
| 7 days：121℃ | 110 | % | ASTM D638 |
| Elongation retention rate | ASTM D638 | ||
| 100℃ | 70 | % | ASTM D638 |
| 7 days：121℃ | 63 | % | ASTM D638 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | -20.0 | ℃ | ASTM D746 |
| thermal deformation | UL 1581 | ||
| 100℃ | 5.2 | % | UL 1581 |
| 121℃ | 49 | % | UL 1581 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 3.9E+14 | ohms·cm | ASTM D257 |
| Dielectric constant | ASTM D150 | ||
| 60 Hz | 3.72 | ASTM D150 | |
| 100 kHz | 3.63 | ASTM D150 | |
| 1 MHz | 3.56 | ASTM D150 | |
| Dissipation factor | ASTM D150 | ||
| 60 Hz | 5.0E-3 | ASTM D150 | |
| 100 kHz | 7.2E-3 | ASTM D150 | |
| 1 MHz | 0.013 | ASTM D150 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Extreme oxygen index | 40 | % | ASTM D2863 |
| Acid gas test | MIL C-24643 | ||
| Acid by Weight | 0.43 | % | MIL C-24643 |
| US Navy pH | 3.30 | MIL C-24643 | |
| toxicity | 0.820 | NES 713 | |
| Acid gas emission pH | |||
| International Electrotechnical Comm. | 5.20 | ppg | IEC 754-2 |
| Conductivity of acidic gas emissions | |||
| Conductivity Change | < 1.00 | µS/mm | IEC 754-2 |
| Temperature index (combustion) – Critical | > 375 | ℃ | NES 715 |
| smoke | |||
| 2.54 mm | 12.0 | NES 711 | |
| Smoke density | ASTM E662 | ||
| Flaming Mode – D1.5：2.54 mm | 0.40 | ASTM E662 | |
| Flaming Mode – D4.0：2.54 mm | 2.7 | ASTM E662 | |
| Flaming Mode – Dm，（corr.）：2.54 mm | 59 | ASTM E662 | |
| Non combustion mode – D1.5:2.54 mm | 0.70 | ASTM E662 | |
| Non combustion mode – D4.0: 2.54 mm | 21 | ASTM E662 | |
| Non combustion mode – Dm, (cor.): 2.54 mm | 280 | ASTM E662 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Track and Erosion Resistance | Pass @ 240 hrs | ASTM D2132 | |
| Sunshine resistant | Pass | UL 1581 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 88 | ASTM D2240 | |
| tensile strength | 13.8 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 160 | % | ASTM D638 |
| Bending modulus | |||
| 1% secant | 207 | MPa | ASTM D790 |
| Wear resistance | 1 | % | ASTM D1044 |
| Shrinkback（4 hrs，100℃） | 5.3 | % | REA 89 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 1000 cycles |
| 3. 10 days. Based on 0.045 in./14 AWG (1.63 mm dia.) wires. |
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