CN103426556A - Low-smoke halogen-free flame-retardant power cable - Google Patents
Low-smoke halogen-free flame-retardant power cable Download PDFInfo
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- CN103426556A CN103426556A CN2013103239486A CN201310323948A CN103426556A CN 103426556 A CN103426556 A CN 103426556A CN 2013103239486 A CN2013103239486 A CN 2013103239486A CN 201310323948 A CN201310323948 A CN 201310323948A CN 103426556 A CN103426556 A CN 103426556A
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- halogen
- retardant
- free flame
- power cable
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Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 50
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000000779 smoke Substances 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 8
- 239000010949 copper Substances 0.000 claims abstract description 8
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 4
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 4
- 229920000098 polyolefin Polymers 0.000 claims abstract description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 10
- 150000002367 halogens Chemical class 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 6
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 4
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 4
- 239000004700 high-density polyethylene Substances 0.000 claims description 4
- -1 polybutylene adipate Polymers 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 4
- JWYVGKFDLWWQJX-UHFFFAOYSA-N 1-ethenylazepan-2-one Chemical compound C=CN1CCCCCC1=O JWYVGKFDLWWQJX-UHFFFAOYSA-N 0.000 claims description 2
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 claims description 2
- YKFRUJSEPGHZFJ-UHFFFAOYSA-N N-trimethylsilylimidazole Chemical compound C[Si](C)(C)N1C=CN=C1 YKFRUJSEPGHZFJ-UHFFFAOYSA-N 0.000 claims description 2
- FQYUMYWMJTYZTK-UHFFFAOYSA-N Phenyl glycidyl ether Chemical compound C1OC1COC1=CC=CC=C1 FQYUMYWMJTYZTK-UHFFFAOYSA-N 0.000 claims description 2
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 2
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 229920001451 polypropylene glycol Polymers 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Organic Insulating Materials (AREA)
- Insulated Conductors (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a low-smoke halogen-free flame-retardant power cable. Insulating electric wire cores form a 3+2 core structure and consist of copper conductive wire cores formed by stranding flexible copper wires and a wrapped crosslinked polyethylene insulating layer. A halogen-free flame-retardant filling material is filling among the insulating electric wire cores, a halogen-free flame-retardant wrapping tape layer is wrapped in the inside, and a halogen-free flame-retardant polyolefin sheath layer is arranged outside the halogen-free flame-retardant wrapping tape layer. The low-smoke halogen-free flame-retardant power cable can meet the requirements of GB/T12706, GB/T19666, IEC60332-3, IEC60754-2 and other standards. The low-smoke halogen-free flame-retardant power cable is fixed and arranged in places with the requirements for smoke density, acidity and flame retardance including underground buildings, large public buildings, high-rise buildings and the like with 0.6/1KV rated voltage and lower than 0.6/1KV rated voltage for power transmission and distribution.
Description
Technical Field
The invention belongs to the technical field of cable design and manufacture, and particularly relates to a low-smoke halogen-free flame-retardant power cable.
Background
With the continuous and rapid growth of economy in China, a huge market prospect is provided for the development of the cable industry, the Chinese market is strongly tempted, the world focuses on the Chinese market, and the huge production capacity formed by the Chinese cable manufacturing industry makes the world look at the short decades of reform and open. With the continuous expansion of the scale of industries such as electric power, communication, rail transit, automobiles, shipbuilding and the like, the demand for wires and cables is also rapidly increasing, and the wire and cable industry is expected to have huge development potential in the future.
At present, the wire and cable industry is the second industry in China next to the automobile industry, and the product variety satisfaction rate and the domestic market share both exceed 90%. Moreover, the total yield of the electric wires and cables in China exceeds the United states worldwide, and the electric wires and cables become the first country for producing the electric wires and cables in the world. Along with the high-speed development of the China wire and cable industry, the number of newly added enterprises is continuously increased, and the overall technical level of the industry is greatly improved.
The cable material is divided according to the application, and the cable material mainly comprises five categories of power cables, control cables, instrument cables, communication cables, fireproof cables and the like. At present, along with frequent occurrence of electrical fire accidents, the flame retardant problem of electric wires and cables gradually draws attention. A large amount of smoke and toxic and corrosive gas released during cable combustion are dangerous factors in fire disasters, and people are prevented from safely evacuating and extinguishing fire in the fire disasters, so that lives and properties are seriously lost, and therefore, environment-friendly low-smoke halogen-free flame-retardant cable materials are increasingly required to be used.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention aims to provide a low-smoke halogen-free flame-retardant power cable.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a fire-retardant power cable of low smoke and zero halogen, includes stranded insulation electric core, its characterized in that: halogen-free flame-retardant filling materials are filled among the insulated electric wire cores and are wrapped in the halogen-free flame-retardant wrapping tape layer, and a halogen-free flame-retardant polyolefin sheath layer is arranged outside the halogen-free flame-retardant wrapping tape layer.
The insulated wire core is formed by a copper conductive wire core formed by twisting soft copper wires and a coated crosslinked polyethylene insulating layer.
Wherein,the insulated wire core is of a 3+2 core structure, wherein the cross-sectional area of the conductors of the 3 main cores is 4-240mm2The cross-sectional area of the conductors of the 2 secondary cores is 2.5-120mm2。
Wherein, the outer diameter of the power cable is 16.9-75 mm.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a low-smoke halogen-free flame-retardant power cable which adopts a halogen-free flame-retardant material, is stable in chemical performance, environment-friendly and pollution-free, has high electrical performance and is beneficial to prolonging the service life of the power cable. The performance of the power cable meets the requirements of the standards of GB/T12706, GB/T19666, IEC60332-3, IEC60754-2 and the like. It is suitable for underground buildings, large public buildings and high-rise buildings with rated voltage of 0.6/1KV or below, and is used for fixed laying as electric energy transmission and distribution. Rated voltage is 0.6/1KV, long-term working temperature is 90 deg.C, and maximum short circuit temperature (5 s) is not more than 250 deg.C. The combustion smoke concentration test meets the requirements of GB/T19666-2005. The flame retardant property meets the A-type requirement of GB/T19666-2005 bundled combustion test. The conductivity of the combustion gas does not exceed 10 us/mm.
Drawings
Fig. 1 is a schematic structural diagram of the low-smoke halogen-free flame-retardant power cable of the invention.
Detailed Description
The technical solutions of the present invention will be further described below with reference to specific examples and drawings, but the embodiments of the present invention are not limited thereto.
Example 1
As shown in FIG. 1, the low-smoke halogen-free flame-retardant power cable of the present embodiment has an outer sheathThe diameter is 16.9-75mm, the cable comprises a plurality of insulated wire cores, the insulated wire cores are of a 3+2 core structure, each insulated wire core is formed by a copper conductive wire core 10 formed by twisting soft copper wires and a coated crosslinked polyethylene insulating layer 20, and the cross-sectional area of the conductors of 3 main cores is 4-240mm2The cross-sectional area of the conductors of the 2 secondary cores is 2.5-120mm2. And the halogen-free flame-retardant filling material 30 is filled between the insulated electric wire cores and is coated by the halogen-free flame-retardant wrapping tape layer 40, and the halogen-free flame-retardant polyolefin sheath layer 50 is arranged outside the halogen-free flame-retardant wrapping tape layer 40.
The halogen-free flame-retardant filling material is prepared from the following raw materials in parts by weight: 60-80 parts of high-density polyethylene resin, 10-20 parts of polymethyl methacrylate, 5-10 parts of polycarbonate, 3-5 parts of trimethylsilylimidazole, 1-2 parts of N-vinyl caprolactam, 1-2 parts of zinc oxide, 3-5 parts of silicon dioxide, 1-2 parts of barium sulfate, 3-5 parts of zinc stearate, 0.5-1 part of dilauroyl peroxide and 0.3-0.5 part of 2, 6-di-tert-butyl-4-methylphenol. The halogen-free flame-retardant filling material is prepared by a screw extruder, and the temperature is controlled at 180-205 ℃. The halogen-free flame-retardant filling material has dielectric strength of more than or equal to 25.0MV/m and volume resistivity (20 ℃) of more than or equal to 2.5 multiplied by 10 at normal temperature11Eumm, elongation at break not less than 250%.
The halogen-free flame-retardant wrapping tape layer is prepared from the following raw materials in parts by weight: 20-30 parts of high-density polyethylene resin, 35-40 parts of MDI, 10-15 parts of polypropylene oxide glycol, 15-20 parts of polybutylene adipate, 3-5 parts of 1, 4-bis (beta-hydroxyethyl) -bisphenol A, 1-2 parts of 1, 4-butanediol, 3-5 parts of zinc stearate, 0.5-0.8 part of dibutyltin dilaurate, 0.5-0.8 part of 2, 3-epoxypropylphenyl ether, 0.2-0.3 part of 2, 6-di-tert-butyl-4-methylphenol and 0.05-0.1 part of 6, 6-tetramethylpiperidinol ester by weight are prepared at the temperature of 165-185 ℃. The volume resistivity (20 ℃) of the halogen-free flame-retardant belting layer at normal temperature is more than or equal to 2.5 multiplied by 1011Ohm meter, tensile strength of 28-35MPa,The elongation is 500-550%.
Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that the present invention may be embodied in the form of equivalents and modifications without departing from the scope of the present disclosure. Therefore, the scope of the present invention is not limited to the specific examples of the embodiment section, and the embodiment without departing from the spirit of the present invention should be understood as falling within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a fire-retardant power cable of low smoke and zero halogen, includes stranded insulation electric core, its characterized in that: halogen-free flame-retardant filling materials are filled among the insulated electric wire cores and are wrapped in the halogen-free flame-retardant wrapping tape layer, and a halogen-free flame-retardant polyolefin sheath layer is arranged outside the halogen-free flame-retardant wrapping tape layer.
2. The low smoke zero halogen flame retardant power cable according to claim 1, characterized in that: the insulated wire core is formed by a copper conductive wire core formed by twisting soft copper wires and a coated crosslinked polyethylene insulating layer.
3. The low smoke zero halogen flame retardant power cable according to claim 2, characterized in that: the insulated wire core is of a 3+2 core structure, wherein the cross-sectional area of the conductors of the 3 main cores is 4-240mm2The cross-sectional area of the conductors of the 2 secondary cores is 2.5-120mm2。
4. The low smoke zero halogen flame retardant power cable according to claim 3, characterized in that: the outer diameter of the power cable is 16.9-75 mm.
5. The low smoke zero halogen flame retardant power cable according to any one of claims 1 to 4, characterized in that: the halogen-free flame-retardant filling material is prepared from the following raw materials in parts by weight: 60-80 parts of high-density polyethylene resin, 10-20 parts of polymethyl methacrylate, 5-10 parts of polycarbonate, 3-5 parts of trimethylsilylimidazole, 1-2 parts of N-vinyl caprolactam, 1-2 parts of zinc oxide, 3-5 parts of silicon dioxide, 1-2 parts of barium sulfate, 3-5 parts of zinc stearate, 0.5-1 part of dilauroyl peroxide and 0.3-0.5 part of 2, 6-di-tert-butyl-4-methylphenol.
6. The low smoke zero halogen flame retardant power cable according to claim 5, characterized in that: the halogen-free flame-retardant filling material is prepared by a screw extruder, and the temperature is controlled at 180-205 ℃.
7. The low smoke zero halogen flame retardant power cable according to claim 6, characterized in that: the dielectric strength of the halogen-free flame-retardant filling material is more than or equal to 25.0MV/m, and the volume resistivity at 20 ℃ is more than or equal to 2.5 multiplied by 1011Eumm, elongation at break not less than 250%.
8. The low smoke zero halogen flame retardant power cable according to any one of claims 1 to 4, characterized in that: the halogen-free flame-retardant wrapping tape layer is composed of the following raw materials in parts by weight: 20-30 parts of high-density polyethylene resin, 35-40 parts of MDI, 10-15 parts of polypropylene oxide glycol, 15-20 parts of polybutylene adipate, 3-5 parts of 1, 4-bis (beta-hydroxyethyl) -bisphenol A, 1-2 parts of 1, 4-butanediol, 3-5 parts of zinc stearate, 0.5-0.8 part of dibutyltin dilaurate, 0.5-0.8 part of 2, 3-epoxypropylphenyl ether, 0.2-0.3 part of 2, 6-di-tert-butyl-4-methylphenol and 0.05-0.1 part of 6, 6-tetramethylpiperidinol ester by weight are prepared at the temperature of 165-185 ℃.
9. The low smoke zero halogen flame retardant power cable according to claim 8, characterized in that: the volume resistivity (20 ℃) of the halogen-free flame-retardant belting layer at normal temperature is more than or equal to 2.5 multiplied by 1011Ohm meter, tensile strength of 28-35MPa, and elongation of 500% -550%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310323948.6A CN103426556B (en) | 2013-07-30 | 2013-07-30 | Low-smoke halogen-free flame-retardant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310323948.6A CN103426556B (en) | 2013-07-30 | 2013-07-30 | Low-smoke halogen-free flame-retardant power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103426556A true CN103426556A (en) | 2013-12-04 |
| CN103426556B CN103426556B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310323948.6A Active CN103426556B (en) | 2013-07-30 | 2013-07-30 | Low-smoke halogen-free flame-retardant power cable |
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| Country | Link |
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| CN (1) | CN103426556B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824635A (en) * | 2014-03-03 | 2014-05-28 | 南通米兰特电气有限公司 | Novel low-smoke halogen-free flame-retardant electric wire and cable |
| CN104575771A (en) * | 2014-12-31 | 2015-04-29 | 东莞市高能磁电技术有限公司 | A halogen-free flame-retardant insulated power cable using polyphenylene ether composite material |
| CN104575770A (en) * | 2014-12-31 | 2015-04-29 | 东莞市高能磁电技术有限公司 | Halogen-free flame retardant insulated power cable adopting high-tenacity PS material |
| CN104599776A (en) * | 2014-12-31 | 2015-05-06 | 东莞市高能磁电技术有限公司 | A halogen-free flame-retardant insulated power cable using polybutylene terephthalate composite material |
| CN104616804A (en) * | 2014-12-31 | 2015-05-13 | 东莞市高能磁电技术有限公司 | Halogen-free and flame-proof insulating power cable employing polytetrafluoroethylene composite material |
| CN104616805A (en) * | 2014-12-31 | 2015-05-13 | 东莞市高能磁电技术有限公司 | Halogen-free and flame-proof insulating power cable employing low-density high-strength composite material |
| US10370514B2 (en) | 2014-06-23 | 2019-08-06 | Southwire Company, Llc | UV-resistant superhydrophobic coating compositions |
| US10889727B1 (en) | 2018-06-14 | 2021-01-12 | Southwire Company, Llc | Electrical cable with improved installation and durability performance |
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| JP2000106041A (en) * | 1998-09-29 | 2000-04-11 | Yazaki Corp | Flexible non-halogen wire cable |
| CN2599719Y (en) * | 2003-02-13 | 2004-01-14 | 河北宝丰线缆有限公司 | Environmental protection cross-linking polyethylene insulated fire resistant control cable |
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| CN202948762U (en) * | 2012-11-14 | 2013-05-22 | 湖北龙腾红旗电缆(集团)有限公司 | Halogen-free, low-smoke and low-toxicity environment-friendly marine cable with ethylene-propylene insulation polyolefin jacket |
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2013
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Patent Citations (5)
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| JP2000106041A (en) * | 1998-09-29 | 2000-04-11 | Yazaki Corp | Flexible non-halogen wire cable |
| CN2599719Y (en) * | 2003-02-13 | 2004-01-14 | 河北宝丰线缆有限公司 | Environmental protection cross-linking polyethylene insulated fire resistant control cable |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824635A (en) * | 2014-03-03 | 2014-05-28 | 南通米兰特电气有限公司 | Novel low-smoke halogen-free flame-retardant electric wire and cable |
| US10370514B2 (en) | 2014-06-23 | 2019-08-06 | Southwire Company, Llc | UV-resistant superhydrophobic coating compositions |
| US11001696B2 (en) | 2014-06-23 | 2021-05-11 | Southwire Company, Llc | UV-resistant superhydrophobic coating compositions |
| CN104575771A (en) * | 2014-12-31 | 2015-04-29 | 东莞市高能磁电技术有限公司 | A halogen-free flame-retardant insulated power cable using polyphenylene ether composite material |
| CN104575770A (en) * | 2014-12-31 | 2015-04-29 | 东莞市高能磁电技术有限公司 | Halogen-free flame retardant insulated power cable adopting high-tenacity PS material |
| CN104599776A (en) * | 2014-12-31 | 2015-05-06 | 东莞市高能磁电技术有限公司 | A halogen-free flame-retardant insulated power cable using polybutylene terephthalate composite material |
| CN104616804A (en) * | 2014-12-31 | 2015-05-13 | 东莞市高能磁电技术有限公司 | Halogen-free and flame-proof insulating power cable employing polytetrafluoroethylene composite material |
| CN104616805A (en) * | 2014-12-31 | 2015-05-13 | 东莞市高能磁电技术有限公司 | Halogen-free and flame-proof insulating power cable employing low-density high-strength composite material |
| US10889727B1 (en) | 2018-06-14 | 2021-01-12 | Southwire Company, Llc | Electrical cable with improved installation and durability performance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103426556B (en) | 2016-02-03 |
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