| About |
|---|
| UNIGARD™ RE DFDE-1638 Natural是一种不含卤素的、阻燃性能高、热塑性、低烟、腐蚀性低和低毒性的材料。该产品是一种通用型的电缆护套材料。作为护套材料，该产品已经通过IEEE-383/UL-1581/UL-1685 [有限产烟测试] 垂直托架电缆燃烧测试。当然，电缆结构在阻燃性能方面起着重要作用。该产品可作为电缆的护套，工作温度可高达90°C。 该产品可以替代PVC、低烟PVC和含卤素橡胶作为护套材料，它具有优异的防火安全性（低烟、低腐蚀性和低毒性) 和良好的性能平衡。该产品可以满足或者超出很多业界对护套材料的规格要求，比如UL-1277 托架电缆的规格要求。 作为一种不含卤素的阻燃护套材料，UNIGARD™ RE DFDE-1638 Natural也可用于替代普通的非卤素护套产品。与现有的非卤素护套产品相比，这种产品的挤出温度最高到180°C，而且可以使用常用的单螺线计量PE螺杆进行挤出加工。 主要特性： 阻燃级别高 环保 (无铅、不含卤素、无硫/无锑) 低烟、腐蚀性低以及低毒性 挤出容易，无需特殊螺杆 在韧性和柔软性之间具有良好的平衡性&& |
| 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 | 1.48 | g/cm³ | ASTM D1505 |
| ESCR(Environmental Stress Cracking Resistance) | |||
| 10% non-ionic detergent, F0 | 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 | ASTM D638 | ||
| 10 days：110℃ | 110 | % | |
| 7 days：121℃ | 110 | % | |
| Elongation retention rate | ASTM D638 | ||
| 10 days：110℃ | 78 | % | |
| 7 days：121℃ | 80 | % |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | -24.0 | ℃ | ASTM D746 |
| thermal deformation | UL 1581 | ||
| 90℃ | 4.0 | % | |
| 100℃ | 4.0 | % | |
| 121℃ | 20 | % |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | |||
| 23℃ | 1.9E+15 | ohms·cm | ASTM D257 |
| Dielectric constant | |||
| 60 Hz | 3.90 | ASTM D1531 | |
| Dissipation factor | |||
| 60 Hz | 0.013 | ASTM D1531 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Extreme oxygen index | 35 | % | ASTM D2863 |
| Acid gas test | |||
| Acid by Weight | % | MIL C-24643 | |
| toxicity | 0.900 | NES 713 | |
| Acid gas emission pH | 4.40 | IEC 60754-2 | |
| Conductivity of acidic gas emissions | 29.0 | µS/cm | IEC 60754-2 |
| Temperature index (combustion) – Critical | > 300 | ℃ | NES 715 |
| smoke | 13.7 | NES 711 | |
| Smoke density | ASTM E662 | ||
| Flaming Mode – D1.5：2.54 mm | 0.40 | ||
| Flaming Mode – D4.0：2.54 mm | 51 | ||
| Flaming Mode – Dm，corr.：2.54 mm | 320 | ||
| Non combustion mode – D1.5:2.54 mm | 0.10 | ||
| Non combustion mode – D4.0: 2.54 mm | 12 | ||
| Non-flaming Mode – Dm, corr.:2.54 mm 9 | 190 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Sunshine resistant | |||
| 720 hours | 通过 | UL 1581 | |
| memo_intro |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 96 | ASTM D2240 | |
| tensile strength | 14.7 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 150 | % | ASTM D638 |
| Bending modulus | |||
| 1% secant | 138 | MPa | ASTM D790 |
| Notes |
|---|
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