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陶氏耐久HFDA-0802 BK EC是一种特殊配方的半导体、硫化化合物,设计用于中高压交联聚乙烯绝缘电缆中的导体屏蔽和粘合绝缘屏蔽。(1)陶氏耐久HFDA-0802 BK EC在高温下具有稳定的体积电阻率特性,是一种性能优良的绝缘材料。通过聚合物系统来实现铝导线,尤其是实心导线的最小收缩。不建议与裸铜导线一起使用Dow耐久性HFDA-0802 BK EC。陶氏耐力HFDA-0802 BK EC是专门开发利用一种特殊的乙炔炭黑提供超光滑表面,以实现最佳的性能,并在挤压屏蔽和绝缘之间产生更完美的界面。因此,可以预期显著提高电缆性能。规范DOW耐久性HFDA-0802 BK EC设计用于配电电缆。采用良好的商业制造实践制备的Dow耐久性HFDA-0802 BK EC导线和绝缘屏蔽电缆应符合以下规范:ANSI/ICEA:S-94-649、S-97-682、S-93-639/NEMA WC74 AEIC:CS8 IEC:60502(1)建议与Dow Cros一起使用Dow耐久性HFDA-0802 BK EC。交联聚乙烯和树阻燃交联聚乙烯化合物。对于其他聚合物绝缘,如EPR和EPDMS,用户应注意在每种配方中建立陶氏耐久性HFDA-0802 BK EC的效用。 DOW ENDURANCE™ HFDA-0802 BK EC is a specially formulated semiconductive, vulcanizable compound designed for conductor shield and bonded insulation shield applications in medium and high voltage crosslinked polyethylene insulated cables.(1) DOW ENDURANCE™ HFDA-0802 BK EC has stable volume resistivity characteristics at elevated temperatures and is formulated with a polymer system that assists in obtaining minimum shrinkback on aluminum conductors, especially solid conductors. DOW ENDURANCE™ HFDA-0802 BK EC is not recommended for use with bare copper conductors. DOW ENDURANCE™ HFDA-0802 BK EC was specifically developed utilizing a special acetylene carbon black to provide a supersmooth surface to achieve best in class performance and yielding a more perfect interface between the extruded shield and the insulation. As a result, significantly improved cable performance can be expected. Specifications DOW ENDURANCE™ HFDA-0802 BK EC is designed for use in power distribution cables. Cables with conductor and insulation shielding of DOW ENDURANCE™ HFDA-0802 BK EC, prepared using sound commercial fabrication practice, would be expected to meet the following specifications: ANSI/ICEA: S-94-649, S-97-682, S-93-639 / NEMA WC74 AEIC: CS8 IEC: 60502 (1) DOW ENDURANCE™ HFDA-0802 BK EC is recommended for use in conjunction with DOW cross-linked polyethylene and tree-retardant cross-linked polyethylene compounds. For other polymer insulation such as EPR and EPDMs, the user is cautioned to establish the utility of DOW ENDURANCE™ HFDA-0802 BK EC with each formulation. |
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 |
1.15 | g/cm³ | ASTM D792 |
抗环境应力开裂 ESCR(Environmental Stress Cracking Resistance) |
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100%非离子洗涤剂,F0 100% non-ionic detergent, F0 |
> 504 | hr | ASTM D1693 |
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 |
18.6 | MPa | ASTM D638 |
拉伸应变 Tensile strain |
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断裂 fracture |
200 | % | 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 |
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1 week,150℃ 1 week,150℃ |
98 | % | ASTM D638 |
伸长保持率 Elongation retention rate |
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1 week,150℃ 1 week,150℃ |
% | ASTM D638 | |
热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
脆化温度 Embrittlement temperature |
℃ | ASTM D746 | |
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 |
ASTM D991 | ||
23℃ 23℃ |
ohms·cm | ASTM D991 | |
90 ℃ 90 ℃ |
ohms·cm | ASTM D991 | |
130 ℃ 130 ℃ |
ohms·cm | ASTM D991 |
备注 |
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1 一般属性:这些不能被视为规格。 |
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