公司信息及水印
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DOW耐久性HFDC-4202 EC是一种长寿命、水树阻燃、未填充、可交联、低密度聚乙烯绝缘化合物。永久性树木阻燃剂在电力电缆使用中提供了改善的性能,包括暴露在潮湿环境中,同时保留了传统交联聚乙烯的优良物理、电气和加工特性。陶氏耐久性HFDC-4202 EC化合物为电力公司提供了:最先进的“水”树阻燃技术,在环境和高温下的所有加速电缆湿老化试验中始终优于传统交联聚乙烯(XLPE),在25年多的时间里,在广泛的地理条件横截面上证明了这一点。g卓越的可靠性,有助于实现最低的寿命周期成本,优异的电气性能表现在极高的老化电气强度和极低的老化耗散系数和功率损耗。DOW耐久性HFDC-4202 EC化合物代表了最先进的树木阻燃、电力电缆绝缘化合物。规范DOW耐久性HFDC-4202 EC树阻燃化合物设计用于配电和子传输电缆,特别是地下应用。DOW耐久性HFDC-4202 EC比XLPE电缆具有更好的性能,建议在有或无防潮层的情况下,用作69 kV及以下的电缆绝缘。根据良好的商业制造实践,采用DOW耐久性HFDC-4202 EC绝缘的电缆应符合以下规范和法规的最新版本:ANSI/ICEA:S-94-649、S-97-682、S-93-639/NEMA WC74(TR-XLPE要求)AEIC:CS8 RUS 50-70(U-1)CEA:WCWG-01、WCWG-02 UL 1072 IEC:60502、60840 CENELEC:HD 620 S1 DIN VDE 0276-620 BSI BS 6622 GB/T 12706 DL/T 1070 DOW ENDURANCE™ HFDC-4202 EC is a long-life, water-tree-retardant, unfilled, crosslinkable, low density polyethylene insulation compound. The permanent tree-retardant additive provides improved performance in power cables in service involving exposure to moisture while retaining the excellent physical, electrical, and processing attributes of conventional, crosslinkable polyethylene. DOW ENDURANCE™ HFDC-4202 EC compound provides electric utilities with: State-of-the-art "water" tree-retardant technology, consistently outperforming conventional XLPE in all accelerated cable wet aging tests at ambient and elevated temperatures Proven in the field for over 25 years, at a broad cross section of geographical conditions, demonstrating excellent reliability and help achieving lowest life cycle costs Excellent electrical performance demonstrated by very high aged electrical strength and very low aged dissipation factor and power loss. DOW ENDURANCE™ HFDC-4202 EC compound represents the state-of-the-art in tree-retardant, power cable insulation compounds. Specifications DOW ENDURANCE™ HFDC-4202 EC tree-retardant compound is designed for use in power distribution and sub-transmission cables, especially in underground applications. DOW ENDURANCE™ HFDC-4202 EC provides improved performance over XLPE cables and is recommended, with or without moisture barriers, for use as cable insulation up to and including 69 kV applications. Cables insulated with DOW ENDURANCE™ HFDC-4202 EC, using sound commercial fabrication manufacturing practice, would be expected to meet the latest editions of the following specifications and regulations: ANSI/ICEA: S-94-649, S-97-682, S-93-639 / NEMA WC74 (TR-XLPE requirements) AEIC: CS8 RUS 50-70 (U-1) CEA: WCWG-01, WCWG-02 UL 1072 IEC: 60502, 60840 CENELEC: HD 620 S1 DIN VDE 0276-620 BSI BS 6622 GB/T 12706 DL/T 1070 |
技术参数 Technical Data | |||
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物理性能 PHYSICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
密度 Density |
0.920 | g/cm³ | ASTM D792 |
交叉结合的程度(Extractables) The degree of cross combination (Extractables) |
< 20 | % | ASTM D2765A |
机械性能 MECHANICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
拉伸强度 tensile strength |
22.1 | MPa | ASTM D638 |
拉伸应变 Tensile strain |
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断裂 fracture |
530 | % | ASTM D638 |
老化性能 Aging performance |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
拉伸强度保持率 Tensile strength retention rate |
ASTM D638 | ||
14 days:150℃ 14 days:150℃ |
> 75 | % | ASTM D638 |
30 days:121℃ 30 days:121℃ |
% | ASTM D638 | |
30 days:136℃ 30 days:136℃ |
% | ASTM D638 | |
伸长保持率 Elongation retention rate |
ASTM D638 | ||
14 days:150℃ 14 days:150℃ |
% | ASTM D638 | |
30 days:121℃ 30 days:121℃ |
% | ASTM D638 | |
30 days:136℃ 30 days:136℃ |
% | ASTM D638 | |
热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
高温蠕变 High temperature creep |
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200℃ 200℃ |
% | ICEA T-28-562 | |
热固性 thermosetting |
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200℃ 200℃ |
% | ICEA T-28-562 | |
电气性能 Electrical performance |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
体积电阻率 Volume resistivity |
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23℃ 23℃ |
ohms·cm | ASTM D257 | |
介电强度 Dielectric strength |
ASTM D149 | ||
3.18 mm 3.18 mm 2 |
kV/mm | ASTM D149 | |
3.18 mm 3.18 mm 3 |
kV/mm | ASTM D149 | |
介电常数 Dielectric constant |
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60 Hz 60 Hz |
ASTM D150 | ||
耗散因数 Dissipation factor |
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60 Hz 60 Hz |
ASTM D150 | ||
Water-Tree Growth Rate Water-Tree Growth Rate 4 |
% | ASTM D6097 | |
Water-Tree Relative Size Water-Tree Relative Size 5 |
% | ASTM D6097 |
备注 |
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2 方法A(短时间) |
3 方法B(逐步) |
4 Rate is relative to rate for Dow's standard XLPE, FREQ = 1 kHz. |
5 Size is relative to size for Dow's standard XLPE. |
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