CN105602462B - A kind of PVC insulating tapes of high intensity, high fire-retardance - Google Patents
A kind of PVC insulating tapes of high intensity, high fire-retardance Download PDFInfo
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- CN105602462B CN105602462B CN201510791032.2A CN201510791032A CN105602462B CN 105602462 B CN105602462 B CN 105602462B CN 201510791032 A CN201510791032 A CN 201510791032A CN 105602462 B CN105602462 B CN 105602462B
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Abstract
The invention discloses the PVC insulating tapes of a kind of high intensity, high fire-retardance, are made of base and adhesive layer, and base is made of the component of following mass percent：PVC 50~65%, glass fibre 15~24%, aluminium oxide 5~9%, zinc sulfate 2~4%, magnesium phosphate 4~6%, wollastonite 3~5%, quartz 1~3%；The pretreatment of pretreatment, glass fibre through PVC is kneaded obtained base.There is high tensile strength and high anti-flammability using insulating tape made of the base, tensile strength is 15.2~18.3MPa, elongation at break is 740~825%, smoke density is 95~139%, oxygen index (OI) is 46~64%, hydrogen halides burst size is 10.0~14.3mg/g, and poison exponent is 2.15~3.05.
Description
Technical field
The present invention relates to electric power field of material technology, specifically a kind of high intensity, high fire-retardance PVC insulating tapes.
Background technology
Insulating tape refer exclusively to that electrician uses for preventing from leaking electricity, play the adhesive tape of insulating effect.Also known as insulating tape, adhesive plaster
Band is made of base band and pressure-sensitive adhesive layer.Base band generally uses cotton, synthetic fabrics and plastic film etc., and glue-line is by rubber
The compounding agents such as solvent misture are added to be made, stickiness is good, excellent insulating property.Insulating tape has good insulation pressure-resistant, fire-retardant, resistance to
Wait etc. characteristics, plug into suitable for electric wire, electric insulation protection the features such as.
PVC is and cheap because of its excellent flexibility and from shape, and becomes a kind of most common base of insulating tape
Material.But the shortcomings that PVC, is that its anti-flammability and tensile strength are poor, when the bonding for using it for connector is closed, be easy to cause
The loosening of connector does not have the effect of stagnant combustion, there are some potential safety problemss especially when encountering fire.
Invention content
The purpose of the present invention is to provide the PVC insulating tapes of a kind of high intensity, high fire-retardance, to solve to carry in background technology
And the problem of.
To achieve the above object, the present invention provides the following technical solutions：
The PVC insulating tapes of a kind of high intensity, high fire-retardance, are made of, the base is by following quality base and adhesive layer
The component of percentage is made：PVC 50~65%, glass fibre 15~24%, aluminium oxide 5~9%, zinc sulfate 2~4%, phosphoric acid
Magnesium 4~6%, wollastonite 3~5%, quartz 1~3%.
As a further solution of the present invention：The base is made of the component of following mass percent：PVC 55~
62%, glass fibre 18~22%, aluminium oxide 6~8%, zinc sulfate 3~4%, magnesium phosphate 4~5%, wollastonite 3~4%, stone
English 1~2%.
As a further solution of the present invention：The base is made of the component of following mass percent：PVC 58%, glass
Glass fiber 21%, aluminium oxide 7%, zinc sulfate 3%, magnesium phosphate 5%, wollastonite 4%, quartz 2%.
As a further solution of the present invention：The glass fibre is the short fibre of glass fibre, and length is 5~15mm, diameter
It is 10~12 μm.
The preparation method of the PVC insulating tapes of the high intensity, high fire-retardance, the preparation method of the base, including with
Lower step：
1) pretreatment of PVC：Chinese pagoda tree extracting solution is heated to 40~48 DEG C first, PVC, which is then put into Chinese pagoda tree, carries
It takes in liquid, the temperature is kept to impregnate 24~72 hours, filtering, the PVC that obtains that treated is spare；
2) pretreatment of glass fibre：It is heat-treated 2.5~3 hours under the conditions of glass fibre is placed in 380~400 DEG C, then
It is cooled to room temperature, then puts it into the pickling agent that mass fraction is 8~10% and impregnate 12~18 hours, finally with distillation
Water is rinsed repeatedly to neutrality, dry in 95~105 DEG C of baking oven, the glass fibre that obtains that treated, spare；
3) it is kneaded：By treated, open mixing is added with aluminium oxide, zinc sulfate, magnesium phosphate, wollastonite, quartz in PVC
It is kneaded in machine, the glass fibre that adds that treated is uniformly mixed, is sent into extruder, is extruded into film, as base.
As a further solution of the present invention：In the step 2), pickling agent is hydrochloric acid or nitric acid.
Application of the PVC insulating tapes of the high intensity, high fire-retardance in electrical field.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is also mixed into specially treated thereto by carrying out special heating immersion treatment to PVC base
Glass fibre and aluminium oxide, zinc sulfate, magnesium phosphate, wollastonite and quartz with flame retardant effect, insulating cement tape base is made
Material has high tensile strength and high anti-flammability using insulating tape made of the insulating tape base material, is measured through experiment：This
The tensile strength of invention insulating tape be 15.2~18.3MPa, elongation at break be 740~825%, smoke density be 95~
139%, oxygen index (OI) is 46~64%, and hydrogen halides burst size is 10.0~14.3mg/g, and poison exponent is 2.15~3.05.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of high intensity, high fire-retardance PVC insulating tapes, be made of base and adhesive layer, base
It is made of the component of following mass percent：PVC 50%, glass fibre 24%, aluminium oxide 9%, zinc sulfate 4%, magnesium phosphate
6%, wollastonite 5%, quartz 2%.Glass fibre be the short fibre of glass fibre, length be 5~15mm, a diameter of 10~12 μm.
The preparation method of the PVC insulating tapes of the high intensity, high fire-retardance, includes the following steps：
(1) preparation method of the base, includes the following steps：
1) pretreatment of PVC：Chinese pagoda tree extracting solution is heated to 40 DEG C first, PVC is then put into Chinese pagoda tree extracting solution
In, keep the temperature to impregnate 72 hours, filtering, the PVC that obtains that treated is spare；
2) pretreatment of glass fibre：It is heat-treated 3 hours under the conditions of glass fibre is placed in 380 DEG C, is cooled to room temperature,
Then it puts it into the hydrochloric acid that mass fraction is 8% and impregnates 18 hours, finally rinsed repeatedly with distilled water to neutrality, in 95 DEG C
Baking oven in dry, the glass fibre that obtains that treated, it is spare；
3) it is kneaded：By treated, open mixing is added with aluminium oxide, zinc sulfate, magnesium phosphate, wollastonite, quartz in PVC
It is kneaded in machine, the glass fibre that adds that treated is uniformly mixed, is sent into extruder, is extruded into film, as base；
(2) preparation of adhesive-layer：Adhesive-layer is made of the component of following mass fraction：18 parts of butyl acrylate, acrylic acid-
28 parts of 2- ethylhexyls, 2 parts of vinyl acetate, 0.3 part of glycidyl methacrylate, 1 part of acrylic acid, benzoyl peroxide
0.15 part, 28 parts of ethyl acetate；Said components are mixed in proportion and are placed in reactor, leads to nitrogen and oxygen is discharged, start
Heating is kept at this temperature reaction 8.5 hours until reaction solution is warming up to 70 DEG C in reactor, stops heating, in uniform stirring
Under the conditions of be cooled to 30 DEG C, pour out, be sieved, obtain adhesive-layer；
(3) compound：Adhesive layer made from step (2) is coated on substrate surface made from step (1), then is made through cutting
The insulating tape.
Embodiment 2
In the embodiment of the present invention, a kind of high intensity, high fire-retardance PVC insulating tapes, be made of base and adhesive layer, base
It is made of the component of following mass percent：PVC 55%, glass fibre 22%, aluminium oxide 7%, zinc sulfate 4%, magnesium phosphate
5%, wollastonite 4%, quartz 3%.Glass fibre be the short fibre of glass fibre, length be 5~15mm, a diameter of 10~12 μm.
The preparation method of the PVC insulating tapes of the high intensity, high fire-retardance, includes the following steps：
(1) preparation method of the base, includes the following steps：
1) pretreatment of PVC：Chinese pagoda tree extracting solution is heated to 48 DEG C first, PVC is then put into Chinese pagoda tree extracting solution
In, keep the temperature to impregnate 24 hours, filtering, the PVC that obtains that treated is spare；
2) pretreatment of glass fibre：It is heat-treated 2.5 hours under the conditions of glass fibre is placed in 400 DEG C, is cooled to room
Then temperature puts it into the nitric acid that mass fraction is 10% and impregnates 12 hours, finally rinsed repeatedly with distilled water to neutrality, in
Dry in 105 DEG C of baking oven, the glass fibre that obtains that treated is spare；
3) it is kneaded：By treated, open mixing is added with aluminium oxide, zinc sulfate, magnesium phosphate, wollastonite, quartz in PVC
It is kneaded in machine, the glass fibre that adds that treated is uniformly mixed, is sent into extruder, is extruded into film, as base；
(2) preparation of adhesive-layer：Adhesive-layer is made of the component of following mass fraction：26 parts of butyl acrylate, acrylic acid-
20 parts of 2- ethylhexyls, 3 parts of vinyl acetate, 0.2 part of glycidyl methacrylate, 2 parts of acrylic acid, benzoyl peroxide
0.05 part, 38 parts of ethyl acetate；Said components are mixed in proportion and are placed in reactor, leads to nitrogen and oxygen is discharged, start
Heating is kept at this temperature reaction 5.5 hours until reaction solution is warming up to 80 DEG C in reactor, stops heating, in uniform stirring
Under the conditions of be cooled to 40 DEG C, pour out, be sieved, obtain adhesive-layer；
(3) compound：Adhesive layer made from step (2) is coated on substrate surface made from step (1), then is made through cutting
The insulating tape.
Embodiment 3
In the embodiment of the present invention, a kind of high intensity, high fire-retardance PVC insulating tapes, be made of base and adhesive layer, base
It is made of the component of following mass percent：PVC 60%, glass fibre 18%, aluminium oxide 8%, zinc sulfate 2%, magnesium phosphate
6%, wollastonite 3%, quartz 3%.Glass fibre be the short fibre of glass fibre, length be 5~15mm, a diameter of 10~12 μm.
The preparation method of the PVC insulating tapes of the high intensity, high fire-retardance, includes the following steps：
(1) preparation method of the base, includes the following steps：
1) pretreatment of PVC：Chinese pagoda tree extracting solution is heated to 40 DEG C first, PVC is then put into Chinese pagoda tree extracting solution
In, keep the temperature to impregnate 72 hours, filtering, the PVC that obtains that treated is spare；
2) pretreatment of glass fibre：It is heat-treated 3 hours under the conditions of glass fibre is placed in 380 DEG C, is cooled to room temperature,
Then it puts it into the hydrochloric acid that mass fraction is 8% and impregnates 18 hours, finally rinsed repeatedly with distilled water to neutrality, in 95 DEG C
Baking oven in dry, the glass fibre that obtains that treated, it is spare；
3) it is kneaded：By treated, open mixing is added with aluminium oxide, zinc sulfate, magnesium phosphate, wollastonite, quartz in PVC
It is kneaded in machine, the glass fibre that adds that treated is uniformly mixed, is sent into extruder, is extruded into film, as base；
(2) preparation of adhesive-layer：Adhesive-layer is made of the component of following mass fraction：20 parts of butyl acrylate, acrylic acid-
26 parts of 2- ethylhexyls, 2 parts of vinyl acetate, 0.3 part of glycidyl methacrylate, 1 part of acrylic acid, benzoyl peroxide
0.15 part, 28 parts of ethyl acetate；Said components are mixed in proportion and are placed in reactor, leads to nitrogen and oxygen is discharged, start
Heating is kept at this temperature reaction 8.5 hours until reaction solution is warming up to 70 DEG C in reactor, stops heating, in uniform stirring
Under the conditions of be cooled to 30 DEG C, pour out, be sieved, obtain adhesive-layer；
(3) compound：Adhesive layer made from step (2) is coated on substrate surface made from step (1), then is made through cutting
The insulating tape.
Embodiment 4
In the embodiment of the present invention, a kind of high intensity, high fire-retardance PVC insulating tapes, be made of base and adhesive layer, base
It is made of the component of following mass percent：PVC 65%, glass fibre 15%, aluminium oxide 8%, zinc sulfate 2%, magnesium phosphate
4%, wollastonite 5%, quartz 1%.Glass fibre be the short fibre of glass fibre, length be 5~15mm, a diameter of 10~12 μm.
The preparation method of the PVC insulating tapes of the high intensity, high fire-retardance, includes the following steps：
(1) preparation method of the base, includes the following steps：
1) pretreatment of PVC：Chinese pagoda tree extracting solution is heated to 48 DEG C first, PVC is then put into Chinese pagoda tree extracting solution
In, keep the temperature to impregnate 24 hours, filtering, the PVC that obtains that treated is spare；
2) pretreatment of glass fibre：It is heat-treated 2.5 hours under the conditions of glass fibre is placed in 400 DEG C, is cooled to room
Then temperature puts it into the nitric acid that mass fraction is 10% and impregnates 12 hours, finally rinsed repeatedly with distilled water to neutrality, in
Dry in 105 DEG C of baking oven, the glass fibre that obtains that treated is spare；
3) it is kneaded：By treated, open mixing is added with aluminium oxide, zinc sulfate, magnesium phosphate, wollastonite, quartz in PVC
It is kneaded in machine, the glass fibre that adds that treated is uniformly mixed, is sent into extruder, is extruded into film, as base；
(2) preparation of adhesive-layer：Adhesive-layer is made of the component of following mass fraction：24 parts of butyl acrylate, acrylic acid-
22 parts of 2- ethylhexyls, 3 parts of vinyl acetate, 0.2 part of glycidyl methacrylate, 2 parts of acrylic acid, benzoyl peroxide
0.05 part, 38 parts of ethyl acetate；Said components are mixed in proportion and are placed in reactor, leads to nitrogen and oxygen is discharged, start
Heating is kept at this temperature reaction 5.5 hours until reaction solution is warming up to 80 DEG C in reactor, stops heating, in uniform stirring
Under the conditions of be cooled to 40 DEG C, pour out, be sieved, obtain adhesive-layer；
(3) compound：Adhesive layer made from step (2) is coated on substrate surface made from step (1), then is made through cutting
The insulating tape.
Embodiment 5
In the embodiment of the present invention, a kind of high intensity, high fire-retardance PVC insulating tapes, be made of base and adhesive layer, base
It is made of the component of following mass percent：PVC 58%, glass fibre 21%, aluminium oxide 7%, zinc sulfate 3%, magnesium phosphate
5%, wollastonite 4%, quartz 2%.Glass fibre be the short fibre of glass fibre, length be 5~15mm, a diameter of 10~12 μm.
The preparation method of the PVC insulating tapes of the high intensity, high fire-retardance, includes the following steps：
(1) preparation method of the base, includes the following steps：
1) pretreatment of PVC：Chinese pagoda tree extracting solution is heated to 45 DEG C first, PVC is then put into Chinese pagoda tree extracting solution
In, keep the temperature to impregnate 48 hours, filtering, the PVC that obtains that treated is spare；
2) pretreatment of glass fibre：It is heat-treated 3 hours under the conditions of glass fibre is placed in 400 DEG C, is cooled to room temperature,
Then it puts it into the hydrochloric acid that mass fraction is 10% and impregnates 12 hours, finally rinsed repeatedly to neutrality, in 95 with distilled water
DEG C baking oven in dry, the glass fibre that obtains that treated, it is spare；
3) it is kneaded：By treated, open mixing is added with aluminium oxide, zinc sulfate, magnesium phosphate, wollastonite, quartz in PVC
It is kneaded in machine, the glass fibre that adds that treated is uniformly mixed, is sent into extruder, is extruded into film, as base；
(2) preparation of adhesive-layer：Adhesive-layer is made of the component of following mass fraction：22.5 parts of butyl acrylate, propylene
23.3 parts of acid -2- ethylhexyls, 2.5 parts of vinyl acetate, 0.25 part of glycidyl methacrylate, 1.5 parts of acrylic acid, peroxide
Change 0.1 part of benzoyl, 32.5 parts of ethyl acetate；Said components are mixed in proportion and are placed in reactor, nitrogen discharge is led to
Oxygen is begun to warm up, until reaction solution is warming up to 75 DEG C in reactor, is kept at this temperature reaction 7 hours, is stopped heating,
It is cooled to 35 DEG C under stirring well, pours out, is sieved, obtains adhesive-layer；
(3) compound：Adhesive layer made from step (2) is coated on substrate surface made from step (1), then is made through cutting
The insulating tape.
Comparative example 1
On the basis of embodiment 5, this component of deletion glass fibre, remaining is same as Example 5.
Comparative example 2
On the basis of embodiment 5, two kinds of components of glass fibre and wollastonite are deleted, remaining is same as Example 5.
Now to the physical mechanical property of insulating tape made from above-described embodiment 1~5 and comparative example 1~2 and fire-retardant
Performance is tested, and test result is as follows shown in Tables 1 and 2：
The physical mechanical property test result of 1 insulating tape of table
| Project | Tensile strength, MPa | Elongation at break, % |
| Embodiment 1 | 15.2 | 740 |
| Embodiment 2 | 15.9 | 758 |
| Embodiment 3 | 16.5 | 783 |
| Embodiment 4 | 17.1 | 798 |
| Embodiment 5 | 18.3 | 825 |
| Comparative example 1 | 13.4 | 718 |
| Comparative example 2 | 8.6 | 590 |
The flame test result of 2 insulating tape of table
| Project | Smoke density, % | Oxygen index (OI), % | Hydrogen halides burst size, mg/g | Poison exponent |
| Embodiment 1 | 139 | 46 | 14.3 | 3.05 |
| Embodiment 2 | 130 | 48 | 13.6 | 2.84 |
| Embodiment 3 | 112 | 53 | 13.1 | 2.67 |
| Embodiment 4 | 108 | 56 | 12.5 | 2.58 |
| Embodiment 5 | 95 | 64 | 10.0 | 2.15 |
| Comparative example 1 | 154 | 42 | 14.5 | 3.17 |
| Comparative example 2 | 187 | 33 | 16.7 | 3.94 |
As can be seen from the above table：In above-mentioned 5 embodiments, the properties of insulating tape made from embodiment 5 are best,
Its tensile strength reaches 18.3MPa, and elongation at break is up to 825%, smoke density only 95%, oxygen index (OI) 64%, halogenation hydrogen release
High-volume down to 10.0mg/g, poison exponent is down to 2.15；Although comparative example 1 and 2 is deleted on the basis of optimum embodiment 5
Obtained from one or two component, but the physical mechanical property of insulating tape and resistance made from the embodiment of the present invention 1~5
The properties that performance is far superior to comparative example 1 and 2 are fired, the tensile strength of insulating tape of the present invention is 15.2~18.3MPa,
Elongation at break is 740~825%, and smoke density is 95~139%, and oxygen index (OI) is 46~64%, and hydrogen halides burst size is 10.0
~14.3mg/g, poison exponent are 2.15~3.05.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. the PVC insulating tapes of a kind of high intensity, high fire-retardance, are made of base and adhesive layer, which is characterized in that the base by
The component of following mass percent is made：PVC 50~65%, glass fibre 15~24%, aluminium oxide 5~9%, zinc sulfate 2~4%,
Magnesium phosphate 4~6%, wollastonite 3~5%, quartz 1~3%.
2. the PVC insulating tapes of high intensity according to claim 1, high fire-retardance, which is characterized in that the base is by following
The component of mass percent is made：PVC 55~62%, glass fibre 18~22%, aluminium oxide 6~8%, zinc sulfate 3~4%, phosphoric acid
Magnesium 4~5%, wollastonite 3~4%, quartz 1~2%.
3. the PVC insulating tapes of high intensity according to claim 1, high fire-retardance, which is characterized in that the base is by following
The component of mass percent is made：PVC 58%, glass fibre 21%, aluminium oxide 7%, zinc sulfate 3%, magnesium phosphate 5%, wollastonite 4%,
Quartz 2%.
4. the PVC insulating tapes of high intensity according to claim 1, high fire-retardance, which is characterized in that the glass fibre is
The short fibre of glass fibre, length be 5~15mm, a diameter of 10~12 μm.
5. the preparation method of the PVC insulating tapes of high intensity according to any one of claims 1 to 4, high fire-retardance, feature exist
In the preparation method of the base includes the following steps：
1）The pretreatment of PVC：Chinese pagoda tree extracting solution is heated to 40~48 DEG C first, PVC is then put into Chinese pagoda tree extracting solution
In, keep the temperature to impregnate 24~72 hours, filtering, the PVC that obtains that treated is spare；
2）The pretreatment of glass fibre：It is heat-treated 2.5~3 hours, then cools down under the conditions of glass fibre is placed in 380~400 DEG C
To room temperature, then puts it into the pickling agent that mass fraction is 8~10% and impregnate 12~18 hours, it is finally anti-with distilled water
Multiple rinsing is dry in 95~105 DEG C of baking oven to neutrality, the glass fibre that obtains that treated, spare；
3）It is kneaded：By treated, PVC is added with aluminium oxide, zinc sulfate, magnesium phosphate, wollastonite, quartz in open kneading machine
It is kneaded, the glass fibre that adds that treated is uniformly mixed, is sent into extruder, is extruded into film, as base.
6. the preparation method of the PVC insulating tapes of high intensity according to claim 5, high fire-retardance, which is characterized in that described
Step 2）In, pickling agent is hydrochloric acid or nitric acid.
7. application of the PVC insulating tapes of the high intensity, high fire-retardance as described in Claims 1 to 4 is any in electrical field.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510791032.2A CN105602462B (en) | 2015-11-16 | 2015-11-16 | A kind of PVC insulating tapes of high intensity, high fire-retardance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510791032.2A CN105602462B (en) | 2015-11-16 | 2015-11-16 | A kind of PVC insulating tapes of high intensity, high fire-retardance |
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| CN108641615A (en) * | 2018-05-15 | 2018-10-12 | 苏州盛达胶粘制品有限公司 | A kind of fire retardant insulating adhesive tape and preparation method thereof |
| CN108822756A (en) * | 2018-07-26 | 2018-11-16 | 赣州研顺飞科技有限公司 | A kind of insulating tape of high tenacity and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202898314U (en) * | 2012-10-17 | 2013-04-24 | 常州市远东先进塑胶有限公司 | Insulating PVC (Polyvinyl Chloride) tape |
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- 2015-11-16 CN CN201510791032.2A patent/CN105602462B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202898314U (en) * | 2012-10-17 | 2013-04-24 | 常州市远东先进塑胶有限公司 | Insulating PVC (Polyvinyl Chloride) tape |
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