CN106397916A - 110 DEG C self-limiting temperature electric tracing band - Google Patents

110 DEG C self-limiting temperature electric tracing band Download PDF

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Publication number
CN106397916A
CN106397916A CN201610802536.4A CN201610802536A CN106397916A CN 106397916 A CN106397916 A CN 106397916A CN 201610802536 A CN201610802536 A CN 201610802536A CN 106397916 A CN106397916 A CN 106397916A
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Prior art keywords
electric tracing
self
degrees celsius
insulating barrier
heating
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CN201610802536.4A
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Inventor
鲁旭波
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WUHU XUHUI ELECTRIC NEW MATERIAL CO Ltd
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WUHU XUHUI ELECTRIC NEW MATERIAL CO Ltd
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Priority to CN201610802536.4A priority Critical patent/CN106397916A/en
Publication of CN106397916A publication Critical patent/CN106397916A/en
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    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/13—Phenols; Phenolates
    • C08K5/134—Phenols containing ester groups
    • C08K5/1345—Carboxylic esters of phenolcarboxylic acids
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/14—Peroxides
    • 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
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853—Vinylacetate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • 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
    • 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
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/56—Heating 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE

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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)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a 110 DEG C self-limiting temperature electric tracing band. The 110 DEG C self-limiting temperature electric tracing band comprises two copper core busbars arranged in parallel, a heating core layer used for connecting the two copper core busbars in a cladding manner, an insulation layer used for coating the heating core layer, a shielding layer used for coating the insulation layer, and a sheath layer used for coating the shielding layer; the heating core layer is prepared from a PTC high molecular material obtained via extrusion moulding; and the PTC high molecular material is composed of high density polyethylene (HDPE), carbon black, zinc oxide, compound stabilizer K-1330, antioxidant 1010, p-tert-butylphenyl salicylate (TBS), di(2-ethylhexyl)phthalate (DEHP), and dicyclohexyl peroxydicarbonate (DCPD). The highest surface temperature of the 110 DEG C self-limiting temperature electric tracing band is 110 DEG C, and the 110 DEG C self-limiting temperature electric tracing band possesses relatively excellent stable temperature limiting effect.

Description

A kind of 110 degrees Celsius of temperature selflimiting electric tracing bands
Technical field
The present invention relates to a kind of electric-heating belt product technical field, particularly a kind of 110 degrees Celsius of temperature selflimiting electric tracing bands.
Background technology
Electric-heating belt is a kind of new high-tech product, since its last century 70 enters application, self-limited type Electric-heating belt has become as the most general electric-heating belt type in the world today.They can be widely applied to liquid object and exist The anti-freezing and heat-insulating of conveying and tank body, maintenance technological temperature, heating highway, ramp, crossing, eaves and floor etc. in pipeline. Inside basic model self-limited type electric-heating belt, it has been dispersed with the PTC macromolecular material of heat effect between two conductive core, outside it It is made up of polymeric dielectric layer.When the power is turned on, internal PTC macromolecular material expanded by heating, resistance becomes big, reduces heating work( Rate, makes temperature reduce；When the temperature decreases, internal PTC macromolecular material contract on cooling, resistance diminishes, and increases heating power, makes Temperature rises, thus reaching the effect automatically adjusting temperature.
When electric-heating belt works, a certain system of heat tracing, if heat that in the unit interval, electric-heating belt transmits to system etc. The heat transmitting to external environment in system, then the temperature holding of system is constant.The maximum temperature that system reaches, referred to as highest can be made Maintain temperature.
Chinese patent literature CN 101885872 B discloses a kind of PTC being exclusively used in 95 degrees Celsius of temperature selflimiting electric tracing bands Polymer heating material, it has the heating effect of high stable, is mainly used in filling up low temperature electric-heating belt and middle temperature electric-heating belt Between blank, the maximum surface temperature that common middle temperature electric-heating belt requires is 110 degrees Celsius, is necessary above-mentioned for this Develop a kind of middle temperature electric-heating belt on the basis of PTC polymer heating material further, and there is preferable stability line temperature effect Really.
Content of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of 110 degrees Celsius of temperature selflimiting electric tracing bands, highest table Face temperature is 110 degrees Celsius, and has preferable stability line temp effect.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of 110 degrees Celsius of temperature selflimiting electric tracing bands, connect two described copper including two copper core buses be arrangeding in parallel, cladding Core bus heating sandwich layer, be wrapped in described heating sandwich layer outside insulating barrier, the screen layer being wrapped in outside described insulating barrier and It is wrapped in the restrictive coating outside described screen layer；Described heating sandwich layer is the PTC macromolecular material of extrusion moulding, described PTC high score Sub- material is made up of the component of following mass fraction：
High density polyethylene (HDPE)（HDPE）100 parts
Carbon black（CB）16～17 parts
1.5～1.6 parts of zinc oxide
0.33～0.35 part of stable composite agent K-1330
Tetrapentaerythritol fat（1010）0.25～0.26 part
Salicylic acid is to tert-butyl benzene fat（TBS）0.23～0.24 part
Phthalic acid two（2- ethyl hexyl）Ester（DEHP）0.17 part
Peroxidating dicyclohexyl carbonate（DCPD）0.14 part.
Further preferred as technique scheme, two described copper core buses are tin plating copper stranded conductor or nickel-clad copper strand Line.
Further preferred as technique scheme, described insulating barrier is low-smoke halogen-free flame-retardant thermoplastic polyolefin, institute State low-smoke halogen-free flame-retardant thermoplastic polyolefin to be formed according to 37 mass ratio mixing extrusion by the first component and the second component, institute State the ethene of the first component metallocene catalyst and octene realizes the thermoplastic elastomer (TPE) of in-situ polymerization, described second group is divided into second Alkene-acetate ethylene copolymer.
Further preferred as technique scheme, described screen layer be that semi-conductive tape is wrapped, semiconductive material extrudes and One or more of metallic fiber mixed weaving is combined.
Further preferred as technique scheme, described restrictive coating is made up of EP rubbers material.
Compared with prior art, the invention has the beneficial effects as follows：
A kind of 110 degrees Celsius of temperature selflimiting electric tracing bands provided by the present invention, have preferable temperature control performance, surface temperature can Control exactly（110±2）Degree Celsius, and the PTC high score in the present invention can be affected due to known several flame-retardant additives Flame-retardant additive is not contained in the PTC macromolecular material of the stable temperature control of sub- material, the therefore present invention, but by using special Determine insulating barrier that the low-smoke halogen-free flame-retardant thermoplastic polyolefine material of component the makes overall flame function to realize electric-heating belt.
Brief description
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural representation of 110 degrees Celsius of temperature selflimiting electric tracing bands of the present invention.
Specific embodiment
With reference to Fig. 1, Fig. 1 is the structural representation of one specific embodiment of the present invention.
As shown in figure 1, the present embodiment provides a kind of 110 degrees Celsius of temperature selflimiting electric tracing bands, it be arranged in parallel including two Copper core bus 1, cladding connect the heating sandwich layer 2 of two described copper core buses 1, the insulating barrier being wrapped in outside described heating sandwich layer 2 3rd, the screen layer 4 that is wrapped in outside described insulating barrier 3 and be wrapped in the restrictive coating 5 outside described screen layer 4；Described heating sandwich layer 2 For the PTC macromolecular material of extrusion moulding, two described copper core buses 1 are tin plating copper stranded conductor or nickel plating copper stranded conductor, described exhausted Edge layer 3 is low-smoke halogen-free flame-retardant thermoplastic polyolefin, and described low-smoke halogen-free flame-retardant thermoplastic polyolefin is by the first component and second Component forms according to 37 mass ratio mixing extrusion, and the ethene of described first component metallocene catalyst and octene are realized in situ The thermoplastic elastomer (TPE) of polymerization, described second group is divided into ethylene-vinyl acetate copolymer；Described screen layer 4 be semi-conductive tape around Bag plus semiconductive material extrude added metal fiber mixed weaving again and are composited, and described restrictive coating 5 is made up of EP rubbers material.
Described PTC macromolecular material is made up of the component of following mass fraction：
High density polyethylene (HDPE)（HDPE）100 parts
Carbon black（CB）16～17 parts
1.5～1.6 parts of zinc oxide
0.33～0.35 part of stable composite agent K-1330
Tetrapentaerythritol fat（1010）0.25～0.26 part
Salicylic acid is to tert-butyl benzene fat（TBS）0.23～0.24 part
Phthalic acid two（2- ethyl hexyl）Ester（DEHP）0.17 part
Peroxidating dicyclohexyl carbonate（DCPD）0.14 part.
110 degrees Celsius of temperature selflimiting electric tracing band the performance test results of one kind that the present embodiment is provided are as follows：
Heating temp：According to GB/T19835-2005《Self-limiting heating cable》National standard, surveys electric-heating belt wherein highest and maintains Temperature is 112 DEG C.
Survey heating sandwich layer, the low-temperature bending performance of insulating barrier：According to GB/T2951.14-2008《Cable and optical cable insulating and Sheath material GENERAL EXPERIMENTATION the 14th part:GENERAL EXPERIMENTATION low-temperature test》National standard, surveys electric-heating belt Do not ftracture in the case of heating sandwich layer, all -30 DEG C of the low-temperature bending of insulating barrier, meet -25 in GB19518.1-2004 national standard DEG C～-30 DEG C of indehiscent requirements.
Survey heating sandwich layer, the heat extensibility energy of insulating barrier：According to GB/T2951.21-2008《Cable and optical cable insulating and shield Cover material GENERAL EXPERIMENTATION the 21st part:Elastomer compound Special test method ozone resistance test heat extends Test leaching mineral oil test》National standard, survey the heating sandwich layer of electric-heating belt, insulating barrier hot elongation percentage all≤100%, Meet national standard≤150% to require.
Survey the tensile strength of insulating barrier：According to GB/T2951《Cable and optical cable insulating and sheath material universal test side Method》, the tensile strength surveying the insulating barrier of electric-heating belt all reaches 22 MPa, far above 12.5 Mpa national standards requirements.
Survey the heat aging performance of insulating barrier：GB/T2951《Cable and optical cable insulating and sheath material GENERAL EXPERIMENTATION》, Survey tensile strength change≤± 10% of the insulating barrier of electric-heating belt, much smaller than the requirement of national standard≤± 20%.
Survey heating sandwich layer, the artificial weathering test performance of insulating barrier：According to GB12527-2008《Rated voltage 1 kV And following aerial insulated cable》National standard, surveys heating sandwich layer, the tensile strength change of insulating barrier and the fracture of electric-heating belt Elongation change all≤± 23%, less than the requirement of national standard≤± 15%.
Survey the resistance to mineral oil performance of insulating barrier：According to GB/T2951.21-2008《Cable and optical cable insulating and sheath material GENERAL EXPERIMENTATION the 21st part:Elastomer compound Special test method ozone resistance test heat extends examination Test leaching mineral oil test》National standard, surveys the tensile strength change after insulating barrier soaks mineral oil and extension at break change Rate all≤± 28%, much smaller than the requirement of GB/T12706.1-2008≤± 40%.
Survey insulating barrier heat endurance performance：According to GB/T19518.1-2004 national standard, survey 140 DEG C of conditions of electric-heating belt Under deposit 4 weeks after, bear 1500 V/1min and no puncture.
Survey the waterproof test performance of insulating barrier：According to GB/T19835-2005《Self-limiting heating cable》National standard, surveys electricity Bear 3.5 KV/1min after heating tape immersion 48 h no to puncture.
Preferable enforcement to the present invention is illustrated above, and certainly, the present invention can also adopt and above-mentioned enforcement The different form of mode, those of ordinary skill in the art are in the equivalent conversion made without prejudice on the premise of present invention spirit Or change accordingly, all should belong in protection scope of the present invention.

Claims (5)

1. a kind of 110 degrees Celsius of temperature selflimiting electric tracing bands it is characterised in that：Including two the copper core buses be arrangeding in parallel, claddings Connect the heating sandwich layer of two described copper core buses, be wrapped in the described insulating barrier generating heat outside sandwich layer, be wrapped in described insulating barrier Outer screen layer and be wrapped in the restrictive coating outside described screen layer；Described heating sandwich layer is the PTC macromolecule material of extrusion moulding Material, described PTC macromolecular material is made up of the component of following mass fraction：
High density polyethylene (HDPE)（HDPE）100 parts
Carbon black（CB）16～17 parts
1.5～1.6 parts of zinc oxide
0.33～0.35 part of stable composite agent K-1330
Tetrapentaerythritol fat（1010）0.25～0.26 part
Salicylic acid is to tert-butyl benzene fat（TBS）0.23～0.24 part
Phthalic acid two（2- ethyl hexyl）Ester（DEHP）0.17 part
Peroxidating dicyclohexyl carbonate（DCPD）0.14 part.
2. a kind of 110 degrees Celsius of temperature selflimiting electric tracing bands according to claim 1 it is characterised in that：Two described copper core Bus is tin plating copper stranded conductor or nickel plating copper stranded conductor.
3. a kind of 110 degrees Celsius of temperature selflimiting electric tracing bands according to claim 1 it is characterised in that：Described insulating barrier is Low-smoke halogen-free flame-retardant thermoplastic polyolefin, described low-smoke halogen-free flame-retardant thermoplastic polyolefin by the first component and the second component according to 37 mass ratio mixing extrusion forms, and the ethene of described first component metallocene catalyst and octene realize the heat of in-situ polymerization Thermoplastic elastic, described second group is divided into ethylene-vinyl acetate copolymer.
4. a kind of 110 degrees Celsius of temperature selflimiting electric tracing bands according to claim 1 it is characterised in that：Described screen layer is Semi-conductive tape is wrapped, semiconductive material extrude compound with one or more of metallic fiber mixed weaving.
5. a kind of 110 degrees Celsius of temperature selflimiting electric tracing bands according to claim 1 it is characterised in that：Described restrictive coating is EP rubbers material is made.
CN201610802536.4A 2016-09-05 2016-09-05 110 DEG C self-limiting temperature electric tracing band Pending CN106397916A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110519876A (en) * 2019-05-31 2019-11-29 浙江大唐国际绍兴江滨热电有限责任公司 A kind of warm energy-saving safety heating tape of limit
US11956865B2 (en) 2017-02-01 2024-04-09 Nvent Services Gmbh Low smoke, zero halogen self-regulating heating cable

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101885872A (en) * 2010-07-27 2010-11-17 芜湖市旭辉电工新材料有限责任公司 PTC high molecular heating material special for self-temperature limiting electric tracing band of 95 DEG C
CN202602939U (en) * 2012-03-07 2012-12-12 芜湖市旭辉电工新材料有限责任公司 Anti-ultraviolet ice-melting special self-temperature controlled electric heating tape

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101885872A (en) * 2010-07-27 2010-11-17 芜湖市旭辉电工新材料有限责任公司 PTC high molecular heating material special for self-temperature limiting electric tracing band of 95 DEG C
CN202602939U (en) * 2012-03-07 2012-12-12 芜湖市旭辉电工新材料有限责任公司 Anti-ultraviolet ice-melting special self-temperature controlled electric heating tape

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11956865B2 (en) 2017-02-01 2024-04-09 Nvent Services Gmbh Low smoke, zero halogen self-regulating heating cable
CN110519876A (en) * 2019-05-31 2019-11-29 浙江大唐国际绍兴江滨热电有限责任公司 A kind of warm energy-saving safety heating tape of limit

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Application publication date: 20170215