CN109524162B - A kind of ultrahigh flame-retardant weatherability cable - Google Patents
A kind of ultrahigh flame-retardant weatherability cable Download PDFInfo
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- CN109524162B CN109524162B CN201811408606.3A CN201811408606A CN109524162B CN 109524162 B CN109524162 B CN 109524162B CN 201811408606 A CN201811408606 A CN 201811408606A CN 109524162 B CN109524162 B CN 109524162B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K21/00—Fireproofing materials
- C09K21/06—Organic materials
- C09K21/12—Organic materials containing phosphorus
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped layers of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
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Abstract
The present invention relates to a kind of ultrahigh flame-retardant weatherability cables, include cable core, insulating layer, flame-retardant layer and protective layer, and the thickness ratio between the cable core, insulating layer, flame-retardant layer and protective layer is 1-2:1.5-2.5:1.8-3:1.9-2.Ultrahigh flame-retardant weatherability cable in the present invention passes through with unique structure, every layer of structure has unique effect, and there is preferable collaboration and compatible role between every layer of structure, it is successfully realized effective combination of function and effectively improving for bulk properties, to make the cable that there is unique ultrahigh flame-retardant weatherability, especially suitable in photovoltaic industry.
Description
Technical field
The present invention relates to a kind of ultrahigh flame-retardant weatherability cables, belong to field of cable technology.
Background technique
In recent years, due to global warming, the deterioration of the ecological environment, short conventional energy resource the problems such as, develops renewable energy
Source obtains the attention and support of national governments.Under the promotion of technological progress and the incentive policy driving of national governments, solar energy
Photovoltaic power generation industry and market are rapidly developed.From starting in 2007, the photovoltaic in China is applied from lower level
Keep within continuous 4 years 100% or more annual growth.By year ends 2010, China's solar energy power generating installed capacity has reached
To 893MW, the world the 7th is occupied.The year two thousand twenty is expected, the solar energy power generating installation total capacity in China will be more than 30000MW.
Although solar power generation have unrivaled superiority, sun intensity by various factors (season, weather,
Place etc.) influence and constant cannot be maintained, i.e. solar energy is a kind of radiation energy, have timeliness, it is necessary in time by solar energy
The energy for being converted into other forms could be stored and be utilized, and becoming as the cable of transfer element can not in photovoltaic generating system
Or scarce component.With the development of photovoltaic power generation industry, the dosage of photovoltaic generating system cable is also being increased, into steady
The fixed market growth stage.But solar power generation working environment is severe, common lv power cable in use cannot
Meet the requirement of the harsh environments such as high temperature, ultraviolet radiation and the rain erosion of photovoltaic power generation.Moreover, in cable installation process
In, the effect for the power such as cable is bent and stretched accelerates the aging of conventional power cable, and shorten cable uses the longevity
Life, increases maintenance cost, affects the service life of whole system.
Therefore, have become a kind of trend using high fire-retardance weatherability cable in photovoltaic generating system.
Although of the invention have been proposed a kind of high fire-retardance weatherability cable in preceding application CN106876018A, packet
Containing cable core (1), insulating layer (3), flame-retardant layer (4) and protective layer (5), the cable core (1), insulating layer (3), flame-retardant layer (4)
Thickness ratio between protective layer (5) is 1-2:1.5-2.5:1.8-3:1.9-2.But the flame retardant effect of above-mentioned cable still has into one
Walk the potentiality promoted.The present invention, by many experiments, further increases the fire-retardant effect of cable on the basis of CN106876018A
Fruit makes the flame retardant effect of cable reach the state of ultrahigh flame-retardant.
Summary of the invention
Still there is the technical issues of potentiality further promoted to solve the flame retardant effect of cable in the prior art, the present invention
Propose following technical solution:
A kind of ultrahigh flame-retardant weatherability cable, the ultrahigh flame-retardant weatherability cable include cable core (1), insulating layer (3), resistance
Combustion layer (4) and protective layer (5), the thickness ratio between the cable core (1), insulating layer (3), flame-retardant layer (4) and protective layer (5) are
1-2:1.5-2.5:1.8-3:1.9-2；
The surface of the cable core (1) coats one semiconductor layer (2), and the semiconductor layer is metal oxide layer, tool
Body is the mixture of Ga-Zn-O and Ga-In-Zn-O, wherein the mass ratio of Ga-Zn-O and Ga-In-Zn-O is 1:1；
Wherein, flame-retardant layer (4) is made of following component: base-material: 100 mass parts；Fireproof agent: 8~35 mass parts；Stablize
Agent: 2~8 mass parts；Crosslinking sensitizer: 1~10 mass parts.
Preferably, the fireproof agent includes compound (A) and compound (B), compound (A) and compound in fireproof agent
(B) mass ratio is 1:2；
Wherein, the structural formula of compound (A) is as follows:
Wherein, the structural formula of compound (B) is as follows:
Preferably, insulating layer (3) is the polyolefin plastics of 200 DEG C of cross-linking radiations.
Preferably, protective layer (5) includes anti-erosion layer (6), ozone-resistant layer (7) and carbon material layer (8).
Preferably, anti-erosion layer (6) is made of nano aluminium oxide and nanometer silicon carbide, wherein nano aluminium oxide and nanometer
The mass ratio of silica is 10:1.
Preferably, ozone-resistant layer (7) is ten difluoro esters of methacrylic acid/butylbenzene that surface sprays vinylated silica
Rubber composite material.
Preferably, carbon material layer (8) be carbon nanotube, carbon fiber, graphene and carbon black mixture, wherein the carbon
Mass ratio between nanotube, carbon fiber, graphene and carbon black is 1:2-5:2-3:4-5.
Technical solution of the present invention has as follows by beneficial effect:
1, CN 106876018A compared with the prior art, the present invention on the basis of fireproof agent only contains compound (A) into
One step introduces compound (B), and has found compound in fireproof agent (A) and compound (B) by many experiments while depositing
It can act synergistically.Under dosage unanimous circumstances, when the mass ratio of compound (A) and compound (B) is 1:2, electricity
Cable flame retardant effect achieved is best, is much better than the case where fireproof agent under same dosage only contains compound (A).Above-mentioned fireproof agent
So that the present invention has ultrahigh flame-retardant weatherability, flame retardant effect is much better than in the prior art other for improvement on composition and dosage
Cable.
2, using Ga-Zn-O oxide and Ga-In-Zn-O hopcalite as semiconductor layer, one can be formed
Road internal shield, the shielded layer are well contacted with conductor equipotential and with insulating layer, avoid sending out between conductor and insulating layer 3
Raw shelf depreciation.Through detecting, Ga-Zn-O and Ga-In-Zn-O are used in combination, and cable shield effectiveness achieved is best, are much better than
The case where same dosage lower semiconductor layer only contains Ga-In-Zn-O or Ga-Zn-O.On the composition and dosage of above-mentioned semiconductor layer
Improvement so that the present invention has superhigh shielded effect, shield effectiveness is much better than other cables in the prior art.
3, the protective layer 5 in the present invention has unique structure, that is, includes anti-erosion layer, ozone-resistant layer, carbon material layer.It adopts
Use nano aluminium oxide and nanometer silicon carbide that can effectively improve the acid-fast alkali-proof aggressivity of cable as anti-erosion layer.It is sprayed using surface
Ten difluoro esters of methacrylic acid/styrene-butadiene rubber composite material of vinylated silica is applied as ozone-resistant layer, can effectively be mentioned
The ozone resistants of high cable, and ozone resistants is also exactly cable property essential to many applicable cases, especially photovoltaic electric
Cable.Cable can be effectively prevented as carbon material layer using the composition of carbon nanotube, carbon fiber, graphene and carbon black to run
In damage of the induced electromotive force to cable, and then extend the service life of cable, especially after introducing graphene, the carbon material
The beneficial effect that layer rises is much higher than the cable only with graphite as coating.
4, the ultrahigh flame-retardant weatherability cable in the present invention is by the way that with unique structure, every layer of structure has unique work
With, and there is preferable collaboration and compatible role between every layer of structure, it is successfully realized effective combination and the bulk properties of function
Effectively improve, thus make the cable have unique high-weatherability, especially suitable in photovoltaic industry.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Wherein: 1 cable core, 2, semiconductor layer, 3 insulating layers, 4 flame-retardant layers, 5 protective layers, 6 anti-erosion layers, 7 ozone-resistant layers, 8
Carbon material layer.
Specific embodiment
Embodiment 1
A kind of ultrahigh flame-retardant weatherability cable, the ultrahigh flame-retardant weatherability cable include cable core (1), insulating layer (3), resistance
Combustion layer (4) and protective layer (5), the thickness ratio between the cable core (1), insulating layer (3), flame-retardant layer (4) and protective layer (5) are
1:1.5:1.8:1.9；Wherein, flame-retardant layer (4) is made of following component: base-material: 100 mass parts；Fireproof agent: 8~35 mass parts；
Stabilizer: 2~8 mass parts；Crosslinking sensitizer: 1~10 mass parts.
Fireproof agent includes compound (A) and compound (B), and the mass ratio of compound (A) and compound (B) is in fireproof agent
1:2；
Wherein, the surface of cable core (1) coats one semiconductor layer (2), and the semiconductor layer is metal oxide layer, tool
Body is the mixture of Ga-Zn-O and Ga-In-Zn-O, wherein the mass ratio of Ga-Zn-O and Ga-In-Zn-O is 1:1；
Wherein, the structural formula of compound (A) is as follows:
Wherein, the structural formula of compound (B) is as follows:
Wherein, insulating layer (3) is the polyolefin plastics of 200 DEG C of cross-linking radiations, and protective layer (5) includes anti-erosion layer (6), resists
Ozone layer (7) and carbon material layer (8), anti-erosion layer (6) are made of nano aluminium oxide and nanometer silicon carbide, wherein nano oxidized
The mass ratio of aluminium and nano silicon oxide is 10:1, and ozone-resistant layer (7) is the methyl-prop that surface sprays vinylated silica
Ten difluoro esters of olefin(e) acid/styrene-butadiene rubber composite material, carbon material layer (8) are the mixing of carbon nanotube, carbon fiber, graphene and carbon black
Object, wherein the mass ratio between the carbon nanotube, carbon fiber, graphene and carbon black is 1:2-5:2-3:4-5.
Embodiment 2
A kind of ultrahigh flame-retardant weatherability cable, the ultrahigh flame-retardant weatherability cable include cable core (1), insulating layer (3), resistance
Combustion layer (4) and protective layer (5), the thickness ratio between the cable core (1), insulating layer (3), flame-retardant layer (4) and protective layer (5) are
2:2.5:3:2；Flame-retardant layer (4) is made of following component: base-material: 100 mass parts；Fireproof agent: 8~35 mass parts；Stabilizer: 2
~8 mass parts；Crosslinking sensitizer: 1~10 mass parts.
Fireproof agent includes compound (A) and compound (B), and the mass ratio of compound (A) and compound (B) is in fireproof agent
1:2；
Wherein, the surface of cable core (1) coats one semiconductor layer (2), and the semiconductor layer is metal oxide layer, tool
Body is the mixture of Ga-Zn-O and Ga-In-Zn-O, wherein the mass ratio of Ga-Zn-O and Ga-In-Zn-O is 1:1；
Wherein, the structural formula of compound (A) is as follows:
Wherein, the structural formula of compound (B) is as follows:
Wherein, insulating layer (3) is the polyolefin plastics of 200 DEG C of cross-linking radiations, and protective layer (5) includes anti-erosion layer (6), resists
Ozone layer (7) and carbon material layer (8), anti-erosion layer (6) are made of nano aluminium oxide and nanometer silicon carbide, wherein nano oxidized
The mass ratio of aluminium and nano silicon oxide is 10:1, and ozone-resistant layer (7) is the methyl-prop that surface sprays vinylated silica
Ten difluoro esters of olefin(e) acid/styrene-butadiene rubber composite material, carbon material layer (8) are the mixing of carbon nanotube, carbon fiber, graphene and carbon black
Object, wherein the mass ratio between the carbon nanotube, carbon fiber, graphene and carbon black is 1:2-5:2-3:4-5.
Comparative example 1~3
Comparative example 1~3 only changes the composition of fireproof agent in cable, and other structures parameter is same as Example 1.
Following table describes the composition of fireproof agent in embodiment 1-2 and comparative example 1-3.
Table 1
In order to verify the flame retardant effect of embodiment 1-2 and comparative example 1-3, by the sample of embodiment 1-2 and comparative example 1-3 into
Row flame retardant effect, flame retardant effect (oxygen index (OI)) are detected according to GB/T8924.Oxygen index (OI) is lower in testing result, represents fire-retardant
Ineffective, oxygen index (OI) is higher, and it is preferable to represent flame retardant effect.Concrete outcome is as follows:
Table 2
| Number | Flame retardant effect (oxygen index (OI)) |
| Embodiment 1 | 66% |
| Embodiment 2 | 69% |
| Comparative example 1 | 50% |
| Comparative example 2 | 57% |
| Comparative example 3 | 54% |
| Existing mean level | 30~40% |
The above results show that compared with the prior art the present invention is on the basis of fireproof agent only contains compound (A) into one
Step introduces compound (B), and passes through many experiments, it was found that compound (A) and compound (B) exist simultaneously in fireproof agent
It can act synergistically.Under dosage unanimous circumstances, when the mass ratio of compound (A) and compound (B) is 1:2, cable
Flame retardant effect achieved is best, is much better than the case where fireproof agent under same dosage only contains compound (A).Above-mentioned fireproof agent group
At, so that the present invention has ultrahigh flame-retardant weatherability, flame retardant effect is much better than other electricity in the prior art with the improvement in dosage
Cable.
Comparative example 4~5
Comparative example 4~5 only changes the composition of semiconductor layer in cable, and other structures parameter is same as Example 1.
Following table describes the composition of semiconductor layer in embodiment 1-2 and comparative example 4-5.
Table 3
In order to verify the shield effectiveness of embodiment 1-2 and comparative example 4-5, by the sample of embodiment 1-2 and comparative example 4-5 into
The detection of row shield effectiveness.Since core surface uses semi-conductive shield that can reduce with the non-uniform electric field of uniform line wicking surface
Because of the increased conductive surface maximum field strength of seal wire effect institute.Therefore, measurement contains semiconductor layer cable (embodiment 1-2 and comparison
Example 4-5) maximum field strength EmaxWith the maximum field strength E of no semiconductor layer cablemax, and utilize the drop-out value △ E of field strengthmaxCarry out table
Levy the shield effectiveness of cable, i.e. △ Emax=maximum field strength the E without semiconductor layer cablemaxIt subtracts (real containing semiconductor layer cable
Apply a 1-2 and comparative example 4-5) maximum field strength Emax.The value △ E of highest field strength declinemaxBigger, the shield effectiveness of cable is got over
Good, cable operation is more safe and reliable.Concrete outcome is as follows:
Table 4
| Number | Shield effectiveness (△ Emax) |
| Embodiment 1 | 3.1~3.3kV/mm |
| Embodiment 2 | 3.1~3.3kV/mm |
| Comparative example 4 | 1.9~2.1kV/mm |
| Comparative example 5 | 1.7~1.9kV/mm |
| Existing mean level | 1~1.2kV/mm |
The above results show that compared with the prior art the present invention only contains Ga-In-Zn-O or Ga-Zn-O in semiconductor layer
On the basis of it is further proposed that semiconductor layer uses the mixture of Ga-Zn-O and Ga-In-Zn-O, and by many experiments, limit
The mass ratio for having determined Ga-Zn-O and Ga-In-Zn-O in semiconductor layer is 1:1.Under dosage unanimous circumstances, Ga-Zn-O and
Ga-In-Zn-O is used in combination, and cable shield effectiveness achieved is best, is much better than same dosage lower semiconductor layer and only contains Ga-
The case where In-Zn-O or Ga-Zn-O.Improvement on the composition and dosage of above-mentioned semiconductor layer is so that the present invention has superhigh shielded
Effect, shield effectiveness are much better than other cables in the prior art.
Claims (6)
1. a kind of ultrahigh flame-retardant weatherability cable, it is characterised in that: comprising cable core (1), insulating layer (3), flame-retardant layer (4) and protect
Sheath (5), wherein the thickness ratio between cable core (1), insulating layer (3), flame-retardant layer (4) and protective layer (5) is 1-2:1.5-
2.5:1.8-3:1.9-2；
The surface of the cable core (1) coats one semiconductor layer (2), and the semiconductor layer is metal oxide layer, specially
The mixture of Ga-Zn-O and Ga-In-Zn-O, wherein the mass ratio of Ga-Zn-O and Ga-In-Zn-O is 1:1；
The flame-retardant layer (4) is made of following component: base-material: 100 mass parts；Fireproof agent: 8~35 mass parts；Stabilizer: 2~8
Mass parts；Crosslinking sensitizer: 1~10 mass parts；
The fireproof agent includes compound (A) and compound (B), and the mass ratio of compound (A) and compound (B) is in fireproof agent
1:2；
The structural formula of compound (A) is as follows:
The structural formula of compound (B) is as follows:
2. ultrahigh flame-retardant weatherability cable according to claim 1, it is characterised in that: the insulating layer (3) is 200 DEG C
The polyolefin plastics of cross-linking radiation.
3. ultrahigh flame-retardant weatherability cable according to claim 1, it is characterised in that: the protective layer (5) includes anti-invades
Lose layer (6), ozone-resistant layer (7) and carbon material layer (8).
4. ultrahigh flame-retardant weatherability cable according to claim 3, it is characterised in that: the anti-erosion layer (6) is by nanometer
Aluminium oxide and nanometer silicon carbide composition, wherein the mass ratio of nano aluminium oxide and nano silicon oxide is 10:1.
5. ultrahigh flame-retardant weatherability cable according to claim 3, it is characterised in that: the ozone-resistant layer (7) is surface
Spray ten difluoro esters of methacrylic acid/styrene-butadiene rubber composite material of vinylated silica.
6. ultrahigh flame-retardant weatherability cable according to claim 3, it is characterised in that: the carbon material layer (8) is received for carbon
Mitron, carbon fiber, graphene and carbon black mixture, wherein between the carbon nanotube, carbon fiber, graphene and carbon black
Mass ratio is 1:2-5:2-3:4-5.
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| CN201811408606.3A CN109524162B (en) | 2018-11-23 | 2018-11-23 | A kind of ultrahigh flame-retardant weatherability cable |
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| CN201811408606.3A CN109524162B (en) | 2018-11-23 | 2018-11-23 | A kind of ultrahigh flame-retardant weatherability cable |
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| CN109524162B true CN109524162B (en) | 2019-06-18 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1261904A (en) * | 1997-06-30 | 2000-08-02 | 西巴特殊化学品控股有限公司 | Flame retardant compositions |
| CN1860165A (en) * | 2003-10-01 | 2006-11-08 | 西巴特殊化学品控股有限公司 | Flame retardant compositions |
| CN102741335A (en) * | 2009-12-31 | 2012-10-17 | 化学制造布敦海姆两合公司 | Flame retardant composition for thermoplastic molding compounds |
| CN106876018A (en) * | 2017-03-09 | 2017-06-20 | 李承坤 | A kind of high fire-retardance weatherability cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9079854B2 (en) * | 2007-07-13 | 2015-07-14 | The Cleveland Clinic Foundation | Hydrazone modulators of cannabinoid receptors |
-
2018
- 2018-11-23 CN CN201811408606.3A patent/CN109524162B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1261904A (en) * | 1997-06-30 | 2000-08-02 | 西巴特殊化学品控股有限公司 | Flame retardant compositions |
| CN1860165A (en) * | 2003-10-01 | 2006-11-08 | 西巴特殊化学品控股有限公司 | Flame retardant compositions |
| CN102741335A (en) * | 2009-12-31 | 2012-10-17 | 化学制造布敦海姆两合公司 | Flame retardant composition for thermoplastic molding compounds |
| CN106876018A (en) * | 2017-03-09 | 2017-06-20 | 李承坤 | A kind of high fire-retardance weatherability cable |
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