CN106531302A - Firewall cable with rated voltage of 450/750V and below - Google Patents
Firewall cable with rated voltage of 450/750V and below Download PDFInfo
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- CN106531302A CN106531302A CN201611245645.7A CN201611245645A CN106531302A CN 106531302 A CN106531302 A CN 106531302A CN 201611245645 A CN201611245645 A CN 201611245645A CN 106531302 A CN106531302 A CN 106531302A
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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
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
-
- 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
- H01B7/0291—Disposition of insulation comprising two or more layers of insulation having different electrical properties
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulated Conductors (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
The invention discloses a firewall cable with a rated voltage of 450/750V and below. The firewall cable comprises at least one interior cable core and an exterior sheath, wherein the cable core comprises a conductor, a first insulating layer and a second insulating layer from inside to outside, the first insulating layer is made of thermoplastic low-smoke zero-halogen ceramic polyolefin insulating material, the second insulating layer is made of low-smoke zero-halogen flame-retardant polyolefin insulating material, the sheath is made of low-smoke zero-halogen flame-retardant polyolefin sheath material, and the cable core is wound with a tape that is positioned in the sheath. According to the cable, a firewall effect formed by two insulating layers with different material structures and performances and the related zero-halogen flame-retardant sheath material are used for achieving electric power supply of the 450/750V and under fireproof cables. The cable provided by the invention has excellent fireproof and insulating performances, and is pollution-free, environment-friendly and flame-retardant.
Description
Technical field
The present invention relates to a kind of technical field of electric wire, more particularly to a kind of rated voltage 450/750V and following
Fire wall cable.
Background technology
As the saying goes floods and fires have no mercy, and since finding fire from the mankind, fire not only gives people class civilization and brings development, also gives people class text
Bright to bring destruction, from ancient times to the present how many civilization is destroyed in big fire.Equally, fire can also burn the electric wire for providing bright and information
Cable system, regular cable can also produce substantial amounts of toxic gas and flue dust in combustion, then the escape to people will
Strong influence is caused, or even becomes safe hidden danger, many people are smoked down by smog and toxic gas in a fire, so as to
Lose escape chance.Therefore, the engineers of various countries are all stepping up to study anti-for data message is backed up and people are safer
Thermoelectricity cable.
China's urban population sharp increase in recent years, skyscraper are stood in great numbers, and various electricity consumption facility fast developments, fire are frequent
Occur.In conventional fire incident, by the fire that electrically reason causes such as electric wire short circuit, over loading, electric equipment failure
Calamity is occupied first of all kinds of fire.These startling data cause people to have more deep understanding to fire-fighting, fire safety,
Add fire-fighting, the importance day of fire safety and highlight.How in a fire, ensure that electric power is smooth with communication within a certain period of time
It is logical, while not producing a large amount of smog and toxic gas, can escape the inferno for people and rescue is won and protects your time, maximum limit
The reduction loss of degree, ensures the life security of people.Electrical fire is avoided to prevent so the flame-retardant avirulence of cable becomes
In the necessary means of possible trouble.The fire resistance of electric wire ensure that the cable time delay combustion that is difficult to catch fire or catch fire is limited to one
Determine in scope.
From the point of view of finding according to our research staff, to rated voltage 450/750V and following in prior art
Fireproof cable adopts following three kinds mostly：
1. magnesium oxide mineral insulation fire-resisting cable, 2. with the fire-resisting cable of Mica tape inorganic insulation, 3. extrude ceramic SiClx
Rubber fire-resisting cable.
1. magnesium oxide mineral insulation fire-resisting cable advantage be insulant magnesium oxide fusing point be 2800 DEG C, in 750 DEG C of fire
When flame burns, its construction of cable is not in problem, and with excellent fire resistance, but the cables manufacturing production technology is numerous
It is miscellaneous, it is necessary first to which that magnesium oxide is pressed into into column in press, then need a magnesium oxide post to sinter porcelain knob type in high temperature furnace into, then
Porcelain knob and copper are assembled, subsequently needs to carry out multiple drawing and annealing on special equipment, until the cable for reaching needs is advised
Till lattice.The energy consumption of manufacture process is big, and technique is loaded down with trivial details, and equipment investment is expensive.As the cable is that discontinuous are produced, yield
Low, manufacturing cost is high, incompatible with the growing market demand.The factory length of cable is limited, such as lays over long distances, needs
Want multiple joint, and the easy moisture absorption of magnesium oxide, cause insulation resistance of the cable in joint to decline, affect electric property.Separately
The bending property of the outer cable is poor, and mounting and installation inconvenience, use range are subject to a definite limitation.
2. the advantage with the fire-resisting cable of Mica tape inorganic insulation is simple production process, and cable insulation adopts Muscovitum
With wrapped, sheath squeezes argon using the vertical bag of soft copper band and is welded, and its cable can be continuously produced with long length.But have the disadvantage in production
During need multilamellar wrapped, as process conditions are limited, tend to cause at overlapping the slot defect, which is exhausted for mica tape moisture-sensitive
Edge performance will decline, and after baked wheaten cake, mica tape embrittlement is easy to fall off, can also cause fire resistance not good, so as to be difficult to ensure that power supply electricity
Power facility in case of fire safe and smooth.
3. Ceramic silicon rubber fire-resisting cable is extruded using porcelain SiClx rubber as cable extruded insulation layer, and it can be continuously big
Produced in lengths, cable bend performance are good, but it needs special silicone rubber extrusion equipment.It is rubber type of material in addition, and which makes
It is shorter with the life-span.
In prior art, during extrusion molding, there is itself technique manufacturing deficiency in insulating barrier with cable, and general technique adds
Work defect refer to Insulation Material in process of production as raw material is irregular, the factor such as equipment or production environment cause, technique lacks
Sunken position is often the weak link of cable, and the starting point that accident occurs, the cable of monolayer insulating layer have this respect.
The content of the invention
The purpose of the present invention is a kind of rated voltage 450/750V and following fire wall cable, to solve in background technology
The various problems mentioned, the different materials structure of the cable and the two of performance layers of insulation form fire wall effect and the resistance of related Halogen
Fire protective cover material to realize that the electric energy for 450/750V and following fireproof cable is supplied.The fireproofing of cable excellent insulation performance,
And pollution-free, environmental protection flame retardant.
Technical scheme is as follows：
A kind of rated voltage 450/750V and following fire wall cable, including internal core and the sheath of outside, is characterized in that：
The core is at least one, and described core includes conductor, the first insulating barrier and the second insulating barrier from the inside to the outside, and described the
One insulating barrier is made for thermoplastic low-smoke halide-free ceramic polyolefin insulation material, and the second described insulating barrier is low-smoke non-halogen flame-retardant
Polyolefin insulation material makes, and described sheath is made for low-smoke and halogen-free flame retardant polyolefin jacket material, is externally provided with winding in core
Band, band are located in sheath.
Preferably, when described core is more than two, filler in the gap between core, is filled with, the filler is fire-retardant
Inorganic paper string makes.
Preferably, its composition by weight of described thermoplastic low-smoke halide-free ceramic polyolefin insulation material is：Poly- second
50 ~ 100 parts of olefine resin, 20 ~ 100 parts of acrylic resin, 30 ~ 100 parts of Vitrified powder, into 5 ~ 40 parts of porcelain accelerator, compound mica
10 ~ 100 parts, 10 ~ 50 parts of magnesium hydroxide, 10 ~ 50 parts of nano magnesia, 0.2 ~ 10 part of phase solvent, 0.1 ~ 5 part of coupling agent, lubrication
5 ~ 30 parts of agent, 0.1 ~ 5 part of antioxidant.
The solution have the advantages that：
Insulant of the insulating barrier of the present invention using two layers of unlike material, internal layer are that thermoplastic low-smoke halide-free ceramic polyolefin is exhausted
Edge material, outer layer are low smoke halogen-free flame-retardant polyolefin Insulation Material.It is two layers of co-extrusion in technique.Effectively can eliminate only using a kind of exhausted
Edge material itself technique manufacturing deficiency, general technique manufacturing deficiency refer to Insulation Material in process of production as raw material is irregular, set
What the factors such as standby or production environment were caused, defective workmanship position is often the weak link of cable, the starting point that accident occurs.
In extrusion, the probability of the defective workmanship location overlap of two-layer is greatly lowered as shown in Figure 4, forms complementary closing between two-layer
System, the layer material different from layer can make up defect each other, improve the insulating properties and flame-retardant performance of cable.
Specifically, the fire-resisting cable can keep more than one and a half hours power-on time in 750 DEG C of flame combustion.
A large amount of smog and toxic gas are not produced simultaneously, form secondary pollution.The cable be have concurrently it is fire-retardant, do not produce a large amount of smog and have
Poisonous gas, prevent fires in a kind of new fireproof cable kind of one.
Description of the drawings
Fig. 1 is one of cross section structure schematic diagram of rated voltage 450/750V and following fire wall cable；
Fig. 2 is the two of the cross section structure schematic diagram of rated voltage 450/750V and following fire wall cable；
Fig. 3 is the lateral view of end strip off of cable in Fig. 2；
Fig. 4 is the longitudinal profile structure schematic of core in the cable；
Fig. 1. the first insulating barrier of the conductor of core, 2. core, 3. the second insulating barrier of core, 4. band, 5. sheath, 6. filling
Material, 7. defective workmanship point.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing 1-4 to present invention enforcement
Mode is described in further detail.
Embodiment one：Referring to Fig. 1, a kind of rated voltage 450/750V and following fire wall cable in figure, including inside
Core and the sheath of outside, the core are one, and described core includes that conductor, the first insulating barrier and second are exhausted from the inside to the outside
Edge layer, the first described insulating barrier are made for thermoplastic low-smoke halide-free ceramic polyolefin insulation material, the second described insulating barrier
Make for low smoke halogen-free flame-retardant polyolefin Insulation Material, described sheath is made for low-smoke and halogen-free flame retardant polyolefin jacket material, online
Core is externally provided with the band of winding, and band is located in sheath.
Its composition by weight of described thermoplastic low-smoke halide-free ceramic polyolefin insulation material is：Polyvinyl resin 50
Part, 20 parts of acrylic resin, 30 parts of Vitrified powder, into 5 parts of porcelain accelerator, 10 parts of compound mica, 10 parts of magnesium hydroxide, nano oxygen
Change 10 parts of magnesium, 0.2 part of phase solvent, 0.1 part of coupling agent, 5 parts of lubricant, 0.1 part of antioxidant.
Embodiment two：Referring to Fig. 1, embodiment two is essentially identical with embodiment one, and something in common is not repeated, and difference is
Its composition by weight of described thermoplastic low-smoke halide-free ceramic polyolefin insulation material is：80 parts of polyvinyl resin,
60 parts of acrylic resin, 60 parts of Vitrified powder, into 22 parts of porcelain accelerator, 50 parts of compound mica, 35 parts of magnesium hydroxide are nano oxidized
30 parts of magnesium, 5 parts of phase solvent, 3 parts of coupling agent, 18 parts of lubricant, 3 parts of antioxidant.
Embodiment three：Referring to Fig. 1, embodiment three is essentially identical with embodiment one, and something in common is not repeated, and difference is
Its composition by weight of described thermoplastic low-smoke halide-free ceramic polyolefin insulation material is：100 parts of polyvinyl resin,
100 parts of acrylic resin, 100 parts of Vitrified powder, into 40 parts of porcelain accelerator, 100 parts of compound mica, 50 parts of magnesium hydroxide, nanometer
50 parts of magnesium oxide, 10 parts of phase solvent, 5 parts of coupling agent, 30 parts of lubricant, 5 parts of antioxidant.
Example IV：Referring to Fig. 2-3, a kind of rated voltage 450/750V and following fire wall cable in figure, including inside
Core and outside sheath, the core is at least three, described core include from the inside to the outside conductor, the first insulating barrier and
Second insulating barrier, the first described insulating barrier are made for thermoplastic low-smoke halide-free ceramic polyolefin insulation material, and described second
Insulating barrier is made for low smoke halogen-free flame-retardant polyolefin Insulation Material, and described sheath is low-smoke and halogen-free flame retardant polyolefin jacket material system
Making, the band of winding being externally provided with core, band is located in sheath.
Filler is filled with gap between core, and the filler is made for flame retardant inorganic paper string.
Its composition by weight of described thermoplastic low-smoke halide-free ceramic polyolefin insulation material is：Polyvinyl resin 50
Part, 20 parts of acrylic resin, 30 parts of Vitrified powder, into 5 parts of porcelain accelerator, 10 parts of compound mica, 10 parts of magnesium hydroxide, nano oxygen
Change 10 parts of magnesium, 0.2 part of phase solvent, 0.1 part of coupling agent, 5 parts of lubricant, 0.1 part of antioxidant.
Embodiment five：Referring to Fig. 2-3, embodiment five is essentially identical with example IV, and something in common is not repeated, difference
For
Its composition by weight of described thermoplastic low-smoke halide-free ceramic polyolefin insulation material is：80 parts of polyvinyl resin,
60 parts of acrylic resin, 60 parts of Vitrified powder, into 22 parts of porcelain accelerator, 50 parts of compound mica, 35 parts of magnesium hydroxide are nano oxidized
30 parts of magnesium, 5 parts of phase solvent, 3 parts of coupling agent, 18 parts of lubricant, 3 parts of antioxidant.
Embodiment six：Referring to Fig. 2-3, embodiment six is essentially identical with example IV, and something in common is not repeated, difference
For
Its composition by weight of described thermoplastic low-smoke halide-free ceramic polyolefin insulation material is：100 parts of polyvinyl resin,
100 parts of acrylic resin, 100 parts of Vitrified powder, into 40 parts of porcelain accelerator, 100 parts of compound mica, 50 parts of magnesium hydroxide, nanometer
50 parts of magnesium oxide, 10 parts of phase solvent, 5 parts of coupling agent, 30 parts of lubricant, 5 parts of antioxidant.
The thermoplastic low-smoke halide-free ceramic polyolefin insulation adopted in cable in above-described embodiment one and embodiment six
Material is nontoxic at normal temperatures, tasteless, and with good insulating properties and Physical Mechanical, it possesses common polyolefinic nontoxic water-fast
The characteristic such as property, resistance to ag(e)ing, excellent mechanical strength and long service life.Under its high temperature and flame calcination more than 500 DEG C,
The combination of the various raw materials in the composition of its insulating barrier interacts, and ensure that and is changed into rapidly in insulating barrier at short notice
Ceramic duricrust material, defines the flame sealing coat with good insulation properties.And increase with calcination time, temperature is raised, and which is hard
Hard degree is more and more significant.The test of Jing our research staff, in flame calcination, its HRR peak is or not the cable being somebody's turn to do
More than 30kW, fire growth rate index is not more than 120W/s, produces cigarette speed peak value and is not more than 0.25m2/s, and minimum light transmittance is big
In equal to 80%.And common fire-retardant fireproof cable does not reach above-mentioned performance requirement.During this means that fire, present invention fire prevention
Wall cable does not produce a large amount of smog and toxic gas, is that people escape the inferno there is provided guarantee.
Above-described embodiment is simply described in detail to several special cases of this cable, and the protection domain of this patent is not limited to
This, as long as the hierarchical structure of the cable and materials technical scheme same or like with the scope of patent claims, belongs to
In the protection domain of this patent.
1 construction of cable of table and performance parameter
Claims (3)
1. a kind of rated voltage 450/750V and following fire wall cable, including internal core and the sheath of outside, its feature
It is：The core is at least one, and described core includes conductor, the first insulating barrier and the second insulating barrier from the inside to the outside, described
The first insulating barrier be that thermoplastic low-smoke halide-free ceramic polyolefin insulation material makes, described the second insulating barrier is low smoke and zero halogen
Fire retardant polyolefin Insulation Material makes, and described sheath is made for low-smoke and halogen-free flame retardant polyolefin jacket material, is externally provided with core and is twined
Around band, band be located at sheath in.
2. rated voltage 450/750V according to claim 1 and following fire wall cable, is characterized in that：When described line
When core is more than two, filler in the gap between core, is filled with, the filler is made for flame retardant inorganic paper string.
3. rated voltage 450/750V according to claim 1 and 2 and following fire wall cable, is characterized in that：Described
Its composition by weight of thermoplastic low-smoke halide-free ceramic polyolefin insulation material is：50 ~ 100 parts of polyvinyl resin, polypropylene
20 ~ 100 parts of resin, 30 ~ 100 parts of Vitrified powder, into 5 ~ 40 parts of porcelain accelerator, 10 ~ 100 parts of compound mica, magnesium hydroxide 10 ~ 50
Part, 10 ~ 50 parts of nano magnesia, 0.2 ~ 10 part of phase solvent, 0.1 ~ 5 part of coupling agent, 5 ~ 30 parts of lubricant, 0.1 ~ 5 part of antioxidant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245645.7A CN106531302A (en) | 2016-12-29 | 2016-12-29 | Firewall cable with rated voltage of 450/750V and below |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245645.7A CN106531302A (en) | 2016-12-29 | 2016-12-29 | Firewall cable with rated voltage of 450/750V and below |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106531302A true CN106531302A (en) | 2017-03-22 |
Family
ID=58338380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611245645.7A Pending CN106531302A (en) | 2016-12-29 | 2016-12-29 | Firewall cable with rated voltage of 450/750V and below |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106531302A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919183A (en) * | 2017-11-29 | 2018-04-17 | 广西顺业线缆有限公司 | Low smoke and zero halogen nanometer fireproof electric wire |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010055247A1 (en) * | 2008-11-13 | 2010-05-20 | Nexans | Fireproof electric cable |
| CN102280187A (en) * | 2011-08-02 | 2011-12-14 | 中国西电集团公司 | Oil-resistant and fire-resistant insulation single wire and preparation method thereof |
| CN102347101A (en) * | 2010-08-02 | 2012-02-08 | 江苏俊知技术有限公司 | Fire-resistant multi-core flexible cable for communication power supply |
| CN103928157A (en) * | 2014-04-15 | 2014-07-16 | 中利科技集团股份有限公司 | Thermoplastic ceramic low smoke zero halogen polyolefin low pressure insulation refractory cable |
-
2016
- 2016-12-29 CN CN201611245645.7A patent/CN106531302A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010055247A1 (en) * | 2008-11-13 | 2010-05-20 | Nexans | Fireproof electric cable |
| CN102347101A (en) * | 2010-08-02 | 2012-02-08 | 江苏俊知技术有限公司 | Fire-resistant multi-core flexible cable for communication power supply |
| CN102280187A (en) * | 2011-08-02 | 2011-12-14 | 中国西电集团公司 | Oil-resistant and fire-resistant insulation single wire and preparation method thereof |
| CN103928157A (en) * | 2014-04-15 | 2014-07-16 | 中利科技集团股份有限公司 | Thermoplastic ceramic low smoke zero halogen polyolefin low pressure insulation refractory cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919183A (en) * | 2017-11-29 | 2018-04-17 | 广西顺业线缆有限公司 | Low smoke and zero halogen nanometer fireproof electric wire |
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Application publication date: 20170322 |
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