CN201477967U - Low-smoke halogen-free flame-retardant cable - Google Patents
Low-smoke halogen-free flame-retardant cable Download PDFInfo
- Publication number
- CN201477967U CN201477967U CN2009201717247U CN200920171724U CN201477967U CN 201477967 U CN201477967 U CN 201477967U CN 2009201717247 U CN2009201717247 U CN 2009201717247U CN 200920171724 U CN200920171724 U CN 200920171724U CN 201477967 U CN201477967 U CN 201477967U
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- low
- smoke halogen
- cable
- free flame
- free
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Abstract
The utility model relates to an improvement of the cable manufacturing technique, in particular to a low-smoke halogen-free flame-retardant cable which is made of low-smoke halogen-free flame-retardant olefin materials and has excellent flame retardant performance and fine environmental protection integrally. According to tests, the cable can stand up to bunched cable combustion test specified by GB12666.5-2005, wherein light transmittance during combustion reaches 80%, the PH value of aqueous solution in gas produced from combustion reaches 6.4 and the conductivity is 3.2 mu s/mm which are far lower than requirements of relative standards.
Description
Technical field
The utility model relates to the cable-flame retardant technical field, particularly at the non-halogen class flame-proof environmental protection cable that does not contain as the halogen based flame retardant of carrying capacity of environment material.
Background technology
In recent years, environmental problem is on the rise, and when fire incident and burning disposal, requires not use in the material halogen based flame retardant of harmful substances such as generating non-halogen class pernicious gas and dioxin, and is no exception by the halogen class flame retardant cable of its production.
Summary of the invention
The present invention is the generation that will address the above problem, and a kind of new solution is provided.
Design feature of the present utility model is that non-halogen class flame retardant polyolefine material is adopted in insulation, the wrapped non-absorbent material of stranding filled high-temperature material, screen adopts metal wire knitted, sheath adopts non-halogen class flame retardant polyolefine material, armour adopts double-deck galvanized steel strip gap to twine, and outer squeezing put non-halogen class flame retardant polyolefine material.
Compare with existing product, the utility model cable adopts non-halogen class fire retardant polyolefin insulation and sheath material, can satisfy the fire resistance of whole cable, can guarantee the cable loop guaranteed request again.
Description of drawings
Figure one is the cable sectional structure chart, and 11 is cable conductor, and 12 is cable insulation, and 20 is lapping layer, and 30 is protective coverings of cable.
Embodiment
Cable of the present invention can comprise conductor, insulating barrier, lapping layer, screen, inner sheath, armour, outer jacket, conductor wherein, insulating barrier, lapping layer, screen, inner sheath, armour, outer jacket is successively from inside to outside, squeeze on the conductor wherein that to put non-halogen class fire retardant polyolefin be insulating barrier, stranding filled high-temperature material lapping layer, wrapped non-absorbent material, if needed, screen can be arranged, sheath and armour, screen adopts metal wire knitted, and sheath adopts non-halogen class flame retardant polyolefine material, and armour adopts double-deck galvanized steel strip gap to twine, external jacket squeezes and puts non-halogen class flame retardant polyolefine material.
Cable insulation of the present invention and sheath adopt continuous expressing technique production, the advantages such as insulaion resistance constant height, the overall flame performance is good, the amount of being fuming is low when burning, the low-temperature bending characteristic is strong, anti-wear performance is superior are widely used in the mega projects such as electric power, metallurgy, petrochemical industry, traffic track, building and engineering construction.
Claims (4)
1. low-smoke halogen-free inflaming-retarding cable, comprise heart yearn, lapping layer, restrictive coating, wherein heart yearn is made of the outside extruded insulation layer of conductor, it is characterized in that described insulating barrier adopts the low smoke halogen-free flame-retardant polyolefin plastics, the wrapped non-absorbent material of lapping layer, restrictive coating extrudes sheath outward by cable core and constitutes, and adopts the low smoke halogen-free flame-retardant polyolefin plastics.
2. according to the described low-smoke halogen-free inflaming-retarding cable of claim 1, it is characterized in that described wrapped material is the low smoke halogen-free flame-retardant polyolefin plastics.
3. according to the described low-smoke halogen-free inflaming-retarding cable of claim 1, it is characterized in that described insulation thickness is 0.7～2.6mm.
4. according to the described low-smoke halogen-free inflaming-retarding cable of claim 1, it is characterized in that described jacket thickness is 0.6～3.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201717247U CN201477967U (en) | 2009-04-24 | 2009-04-24 | Low-smoke halogen-free flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201717247U CN201477967U (en) | 2009-04-24 | 2009-04-24 | Low-smoke halogen-free flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201477967U true CN201477967U (en) | 2010-05-19 |
Family
ID=42414225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201717247U Expired - Fee Related CN201477967U (en) | 2009-04-24 | 2009-04-24 | Low-smoke halogen-free flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201477967U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098175A (en) * | 2016-07-27 | 2016-11-09 | 浙江秦山电缆有限公司 | A kind of flame-retardant low-smoke halogen-free single-core cable of high insulation resistance and preparation method thereof |
| CN108287291A (en) * | 2017-12-28 | 2018-07-17 | 重庆市南方阻燃电线电缆有限公司 | A kind of cable detecting device |
-
2009
- 2009-04-24 CN CN2009201717247U patent/CN201477967U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098175A (en) * | 2016-07-27 | 2016-11-09 | 浙江秦山电缆有限公司 | A kind of flame-retardant low-smoke halogen-free single-core cable of high insulation resistance and preparation method thereof |
| CN108287291A (en) * | 2017-12-28 | 2018-07-17 | 重庆市南方阻燃电线电缆有限公司 | A kind of cable detecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20130424 |