CN105086304A - Chlorinated polyvinyl chloride electric power casing and pipe fitting as well as production method thereof - Google Patents
Chlorinated polyvinyl chloride electric power casing and pipe fitting as well as production method thereof Download PDFInfo
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- CN105086304A CN105086304A CN201510547441.8A CN201510547441A CN105086304A CN 105086304 A CN105086304 A CN 105086304A CN 201510547441 A CN201510547441 A CN 201510547441A CN 105086304 A CN105086304 A CN 105086304A
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Abstract
The invention discloses a chlorinated polyvinyl chloride electric power casing and pipe fitting as well as a production method thereof. The chlorinated polyvinyl chloride electric power casing is prepared from the main components of chlorinated polyvinyl chloride resin-oatmeal, nano polyvinyl chloride resin, a heat stabilizer, a lubricant, an impact modifier, a processing modifier, a flame retardant and nano calcium carbonate; the production method of the casing comprises the following process steps in sequence: burdening, stirring, extruding, vacuum pitching, fixed-scale cutting, inspecting, packing and warehousing; the production method of the pipe fitting comprises the following process steps in sequence: burdening, stirring, pelleting, injection moulding, cooling pitching, trimming, inspecting, packing and warehousing. As a nano polyvinyl chloride material is adopted, the casing and the pipe fitting are light in weight, resistant to corrosion, good in mechanical property, higher in compressive strength and convenient to construct, and is suitable for post and telecommunication, electric power and cable casings, the heat-resistance temperature of the material reaches 70 DEG C or more, the tensile yield strength of the pipe fitting is increased by 85 percent, the inner wall of the pipe fitting is smooth, and force in cable penetration is reduced by 90 percent.
Description
Technical field
The present invention relates to a kind of underground to sunken cord by sleeve pipe, particularly a kind of chlorinated polyvinyl chloride electrical bushing and pipe fitting and production method thereof.
Background technology
Mostly be pvc material at the underground buried tubing of urban construction at present to make, as pressure-bearing sanitation-grade pipeline and pipe fitting, water supply and sewerage pipeline for building and the pipe fitting, electric power porous casing, high-tension cable pipe, natural gas gas line etc. of urban construction, all adopt pvc material.Though it has corrosion-resistant, the feature that lightweight, cost is low, but intensity and toughness little, pavement construction spreading, very easily cracked, thus affect the quality of buried pipeline.
Patent CN1389510A discloses a kind of nano polyvinyl chloride high-strength porous casing and pipe fitting and production method thereof, and major ingredient is nano polyvinyl chloride resin, thermo-stabilizer, lubricant, anti-impact modifier, modifier, fire retardant; The method of its production casing comprises the processing step of following order: prepare burden, stir, extrude, Vacuum shaping, fixed length cutting, inspection, packaging, warehouse-in; Its method of producing pipe fitting comprises the processing step of following order: batching, stirring, granulation, injection moulding, cooling and shaping, deburring, inspection, packaging, warehouse-in.Although it has good intensity and toughness, its heat resisting temperature is lower, is generally no more than 50 DEG C.
Summary of the invention
For the problems referred to above, technical problem to be solved by this invention is, provide a kind of there is higher heat resisting temperature chlorinated polyvinyl chloride electrical bushing and pipe fitting and production method thereof.
The technical solution adopted in the present invention is: a kind of chlorinated polyvinyl chloride electrical bushing and pipe fitting, and major ingredient is chlorinated polyvinyl chloride resin powder, nano polyvinyl chloride resin, thermo-stabilizer, lubricant, anti-impact modifier, modifier, fire retardant and nano-calcium carbonate; Wherein shell material consumption (weight part):
Wherein tube material consumption (weight part): chlorinated polyvinyl chloride resin powder: 100, nano polyvinyl chloride resin: 8-15, thermo-stabilizer: 4-5, lubricant: 0.5-2, anti-impact modifier: 2-3, modifier: 1-3, fire retardant: 2-4, nano-calcium carbonate: 1-2.
Preferably, described nano polyvinyl chloride resin adopts loose type resin, i.e. CaCO
3resin dedicated with vinyl chloride monomer in-situ polymerization;
Preferably, the CaCO of described chlorinated polyvinyl chloride resin powder median size 0.02 μm of < d≤0.1 μm of selecting coupling agent to activate
3rigid particles; Wherein after chlorinated polyvinyl chloride resin powder and the common reaction modifying of nano polyvinyl chloride resin, make the high intensity, porous electrical bushing of prepared chlorinated polyvinyl chloride and pipe fitting can bear the temperature of more than 70 DEG C.
Preferably, described thermo-stabilizer adopts metal soap stabilising system to select with plumbous class as main stabilising system, has the complex lead salt stabilizer of inside and outside lubricating system concurrently.
Preferably, described lubricant is divided into internal lubricant and external lubricant, and the consumption blend proportion of inside and outside lubricant is in 1: 1 scope, and wherein internal lubricant adopts the one in metal soap and stearic acid, and external lubricant adopts paraffin.
Preferably, described anti-impact modifier adopts chlorinity to be the chlorinatedpolyethylene of 35-40%.
Preferably, modifier adopts acrylics properties-correcting agent.
Preferably, described fire retardant adopts antimonous oxide.
Preferably, the order number of described nano-calcium carbonate is greater than 1500 orders, and it is used as weighting agent.
Preferably, described sleeve structure is the imitative biotechnology honeycomb fashion arrangement of just hexagonal lumen closest packing.
Preferably, described pipe fitting is with the T-shaped pipe fitting of the direction die stamp around core rod by needle-like cast gate molten materials.
Produce the method for chlorinated polyvinyl chloride electrical bushing and pipe fitting, the method for its production casing comprises the processing step of following order:
Method comprises the processing step of following order:
(1) prepare burden: (by weight) is by chlorinated polyvinyl chloride resin powder: 100, nano polyvinyl chloride resin: 8-15, thermo-stabilizer: 3-4, lubricant: 2-3, anti-impact modifier: 8-10, modifier: 2-4, fire retardant: 3-4, nano-calcium carbonate: 1-2 mixed preparing;
(2) stir: stirred in homogenizer by the raw material prepared, temperature stirs after reaching 100-105 DEG C again and is cooled to 60 DEG C in cooling mixing machine, enters in storage bin for subsequent use;
(3) sieve and extrude: extruding blank with twin screw extruder;
(4) Vacuum shaping: be shaped to porous casing material;
(5) fixed length cutting;
(6) check, pack, put in storage.
The method of described pipe fitting comprises the processing step of following order:
(1) prepare burden: (by weight) chlorinated polyvinyl chloride resin powder: 100, nano polyvinyl chloride resin: 8-15, thermo-stabilizer: 4-5, lubricant: 0.5-2, anti-impact modifier: 2-3, modifier: 1-3, fire retardant: 2-4 mixed preparing;
(2) stir: stirred in homogenizer by the raw material prepared, temperature enters after reaching 100-105 DEG C in cooling mixing machine to stir again and is cooled to 60 DEG C;
(3) enter after granulation in storage bin for subsequent use;
(4) injection moulding: enter injection moulding machine shaping;
(5) cooling and shaping;
(6) deburring;
(7) check, pack, put in storage.
The present invention is owing to adopting chlorinated polyvinyl chloride resin powder and nano polyvinyl chloride material, there is lightweight, corrosion-resistant, good mechanical property, have higher ultimate compression strength, easy construction, and make the heat resisting temperature of material reach more than 70 DEG C, the tensile yield strength of its tubing improves 85%, pipe material inner wall is smooth, and power when wearing cable reduces 90%.Be applicable to post and telecommunications, electric power, cable shoe.
Accompanying drawing explanation
Fig. 1 is the structural representation of sleeve pipe of the present invention;
Fig. 2 is the schematic cross-section of single sleeve pipe in Fig. 1;
Fig. 3 is the partial enlarged drawing of Fig. 2.
Embodiment
Provide specific embodiment below to further illustrate the present invention and how to realize.
Chlorinated polyvinyl chloride high-strength porous casing and pipe fitting, major ingredient is chlorinated polyvinyl chloride resin powder, nano polyvinyl chloride resin, thermo-stabilizer, lubricant, anti-impact modifier, modifier, fire retardant and nano-calcium carbonate; Wherein shell material consumption is (weight part): chlorinated polyvinyl chloride resin powder: 100 parts, nano polyvinyl chloride resin: 8-15, thermo-stabilizer: 3-4, lubricant: 2-3, anti-impact modifier: 8-10, modifier: 2-4, fire retardant: 3-4, nano-calcium carbonate: 1-2; Wherein tube material consumption is (weight part): chlorinated polyvinyl chloride resin powder: 100, nano polyvinyl chloride resin: 8-15, thermo-stabilizer: 4-5, lubricant: 0.5-2, anti-impact modifier: 2-3, modifier: 1-3, fire retardant: 2-4, nano-calcium carbonate: 1-2.
The method of producing nano polyvinyl chloride high-strength porous casing and pipe fitting is as follows:
(1) method of its production casing comprises the processing step of following order:
(1) prepare burden: (by weight) is by chlorinated polyvinyl chloride resin powder: 100 parts, nano polyvinyl chloride resin: 8-15, thermo-stabilizer: 3-4, lubricant: 2-3, anti-impact modifier: 8-10, modifier: 2-4, fire retardant: 3-4, nano-calcium carbonate: 1-2 mixed preparing;
(2) stir: stirred in homogenizer by the raw material prepared, temperature stirs after reaching 100-105 DEG C again and is cooled to 60 DEG C in cooling mixing machine, enters in storage bin for subsequent use;
(3) sieve and extrude: extruding blank with twin screw extruder;
(4) Vacuum shaping: be shaped to porous casing material, as shown in Figure 1, sleeve structure is the imitative biotechnology honeycomb fashion arrangement of just hexagonal lumen closest packing, and as shown in Figure 2 and Figure 3, sleeve pipe cavity inner surface is provided with imitative biotechnology sour jujube convex rib;
(5) fixed length cutting;
(6) check, pack, put in storage.
(2) method of producing pipe fitting comprises the processing step of following order:
(1) prepare burden: (by weight) chlorinated polyvinyl chloride resin powder: 100, nano polyvinyl chloride resin: 8-15, thermo-stabilizer: 4-5, lubricant: 0.5-2, anti-impact modifier: 2-3, modifier: 1-3, fire retardant: 2-4 mixed preparing;
(2) stir: stirred in homogenizer by the raw material prepared, temperature enters after reaching 100-105 DEG C in cooling mixing machine to stir again and is cooled to 60 DEG C;
(3) enter after granulation in storage bin for subsequent use;
(4) injection moulding: enter injection moulding machine shaping;
(5) cooling and shaping;
(6) deburring;
(7) check, pack, put in storage.
Embodiment one:
(1) production casing:
(1) prepare burden: (by weight) is by chlorinated polyvinyl chloride resin powder: 100, nano polyvinyl chloride resin:, 10, thermo-stabilizer: 3.5, lubricant: 2.5, anti-impact modifier: 9, modifier: 3, fire retardant: 3.5, nano-calcium carbonate: 1.5 mixed preparing;
(2) stir: stirred in homogenizer by the raw material prepared, temperature stirs after reaching 105 DEG C again and is cooled to 60 DEG C in low speed cold mixer, enters in storage bin for subsequent use;
(3) extrude: with 65 or 55 twin screw extruders, the material be stirred is extruded blank;
(4) Vacuum shaping: be shaped to porous casing material, as shown in Figure 1, sleeve structure is the imitative biotechnology honeycomb fashion arrangement of just hexagonal lumen closest packing, and as shown in Figure 2 and Figure 3, sleeve pipe cavity inner surface is provided with imitative biotechnology sour jujube convex rib;
(5) fixed length cutting;
(6) check, pack, put in storage.
(2) pipe fitting is produced:
(1) prepare burden: (by weight) chlorinated polyvinyl chloride resin powder: 100, nano polyvinyl chloride resin: 10, thermo-stabilizer: 4.5, lubricant: 1, anti-impact modifier: 2.5, modifier: 2, fire retardant: 3, nano-calcium carbonate: 1.5 mixed preparing;
(2) stir: stirred in homogenizer by the raw material prepared, temperature enters after reaching 105 DEG C in low speed cold mixer to stir again and is cooled to 60 DEG C;
(3) enter after granulation in storage bin for subsequent use;
(4) injection moulding: by shaping for the material injection moulding machine be stirred;
(5) cooling and shaping;
(6) deburring;
(7) check, pack, put in storage.
Chlorinated polyvinyl chloride electrical bushing prepared above and the heat resisting temperature of pipe fitting are greater than 70 DEG C, and the tensile yield strength of tubing improves 84%, and pipe material inner wall is smooth, and power when wearing cable reduces 89%.
Embodiment two:
(1) processing step of production casing:
(1) prepare burden: (by weight) is by chlorinated polyvinyl chloride resin powder: 100, nano polyvinyl chloride resin: 8, thermo-stabilizer: 3, lubricant: 2, anti-impact modifier: 8, modifier: 2, fire retardant: 3, nano-calcium carbonate: 1 mixed preparing;
(2) stir: stirred in homogenizer by the raw material prepared, temperature stirs after reaching 100 DEG C again and is cooled to 60 DEG C in cooling mixing machine, enters in storage bin for subsequent use;
(3) extrude: with 65 or 55 twin screw extruders, the material be stirred is extruded blank;
(4) Vacuum shaping: be shaped to porous casing material, as shown in Figure 1, sleeve structure for just hexagonal lumen closest packing ground imitate biotechnology honeycomb fashion arrange, as shown in Figure 2 and Figure 3, sleeve pipe cavity inner surface is provided with imitative biotechnology sour jujube convex rib;
(5) fixed length cutting;
(6) check, pack, put in storage.
(2) processing step of pipe fitting is produced:
(1) prepare burden: (by weight) chlorinated polyvinyl chloride resin powder: 100, nano polyvinyl chloride resin: 8, thermo-stabilizer: 4, lubricant: 0.5, anti-impact modifier: 2, modifier: 1, fire retardant: 2, nano-calcium carbonate: 1 mixed preparing;
(2) stir: stirred in homogenizer by the raw material prepared, temperature enters after reaching 100 DEG C in cooling mixing machine to stir again and is cooled to 60 DEG C;
(3) enter after granulation in storage bin for subsequent use;
(4) injection moulding: enter injection moulding machine shaping;
(5) cooling and shaping;
(6) deburring;
(7) check, pack, put in storage.
Chlorinated polyvinyl chloride electrical bushing prepared above and the heat resisting temperature of pipe fitting are greater than 70 DEG C, and the tensile yield strength of tubing improves 85%, and pipe material inner wall is smooth, and power when wearing cable reduces 90%.
Embodiment three:
(1) processing step of production casing:
(1) prepare burden: (by weight) is by chlorinated polyvinyl chloride resin powder: 100, nano polyvinyl chloride resin: 15, thermo-stabilizer: 4, lubricant: 3, anti-impact modifier: 10, modifier: 4, fire retardant: 4, nano-calcium carbonate: 2 mixed preparing;
(2) stir: stirred in homogenizer by the raw material prepared, temperature stirs after reaching 100 DEG C again and is cooled to 60 DEG C in cooling mixing machine, enters in storage bin for subsequent use;
(3) extrude: with 65 or 55 twin screw extruders, the material be stirred is extruded blank;
(4) Vacuum shaping: be shaped to porous casing material, as shown in Figure 1, sleeve structure for just hexagonal lumen closest packing ground imitate biotechnology honeycomb fashion arrange, as shown in Figure 2 and Figure 3, sleeve pipe cavity inner surface is provided with imitative biotechnology sour jujube convex rib;
(5) fixed length cutting;
(6) check, pack, put in storage.
(2) processing step of pipe fitting is produced:
(1) prepare burden: (by weight) chlorinated polyvinyl chloride resin powder: 100, nano polyvinyl chloride resin: 15, thermo-stabilizer: 5, lubricant: 2, anti-impact modifier: 3, modifier: 3, fire retardant: 4, nano-calcium carbonate: 2 mixed preparing;
(2) stir: stirred in homogenizer by the raw material prepared, temperature enters after reaching 100 DEG C in cooling mixing machine to stir again and is cooled to 60 DEG C;
(3) enter after granulation in storage bin for subsequent use;
(4) injection moulding: enter injection moulding machine shaping;
(5) cooling and shaping;
(6) deburring;
(7) check, pack, put in storage.
Chlorinated polyvinyl chloride electrical bushing prepared above and the heat resisting temperature of pipe fitting are greater than 70 DEG C, and the tensile yield strength of tubing improves 87%, and pipe material inner wall is smooth, and power when wearing cable reduces 92%.
Comparative example is the embodiment 1 in patent CN1389510A, and the chlorinated polyvinyl chloride electrical bushing of preparation and the heat resisting temperature of pipe fitting are 45 DEG C.
In the various embodiments described above, nano polyvinyl chloride resin adopts loose type resin, i.e. the nano level CaCO of chemical plant, Taiyuan production
3resin dedicated with vinyl chloride monomer in-situ polymerization; Thermo-stabilizer adopts metal soap stabilising system; Lubricant is divided into internal lubricant and external lubricant, and the consumption blend proportion of inside and outside lubricant is in 1: 1 scope, and wherein internal lubricant adopts metal soap, and as the one of the anti-lead stearates such as calcium stearate, Zinic stearas, stearic acid, external lubricant adopts paraffin; Anti-impact modifier can adopt the one in chlorinatedpolyethylene and Acrylate Butadiene multipolymer, now adopts chlorinity to be the chlorinatedpolyethylene of 35%; Modifier adopts acrylics properties-correcting agent; Fire retardant adopts antimonous oxide.
In sum, can find out that the present invention is owing to adopting chlorinated polyvinyl chloride resin powder and nano polyvinyl chloride material, there is lightweight, corrosion-resistant, good mechanical property, have higher ultimate compression strength, easy construction, and make the heat resisting temperature of material reach more than 70 DEG C, the tensile yield strength of its tubing improves 85%, pipe material inner wall is smooth, and power when wearing cable reduces 90%.Be applicable to post and telecommunications, electric power, cable shoe.
Applicant states, the present invention illustrates detailed construction feature of the present invention and treatment process by above-described embodiment, but the present invention is not limited to above-mentioned detailed construction feature and treatment process, namely do not mean that the present invention must rely on above-mentioned detailed construction feature and treatment process could be implemented.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the increase of accessory, the concrete way choice etc. of parts selected by the present invention, all drops within protection scope of the present invention and open scope.
Claims (10)
1. chlorinated polyvinyl chloride electrical bushing and a pipe fitting, major ingredient is chlorinated polyvinyl chloride resin powder, nano polyvinyl chloride resin, thermo-stabilizer, lubricant, anti-impact modifier, modifier, fire retardant and nano-calcium carbonate;
Wherein shell material consumption is (weight part):
Wherein tube material consumption is (weight part): chlorinated polyvinyl chloride resin powder: 100, nano polyvinyl chloride resin: 8-15, thermo-stabilizer: 4-5, lubricant: 0.5-2, anti-impact modifier: 2-3, modifier: 1-3, fire retardant: 2-4, nano-calcium carbonate: 1-2.
2. chlorinated polyvinyl chloride electrical bushing according to claim 1 and pipe fitting, is characterized in that described nano polyvinyl chloride resin adopts loose type resin, i.e. CaCo
3resin dedicated with vinyl chloride monomer in-situ polymerization;
Preferably, the CaCo of described chlorinated polyvinyl chloride resin powder median size 0.02 μm of < d≤0.1 μm of selecting coupling agent to activate
3rigid particles.
3. chlorinated polyvinyl chloride electrical bushing according to claim 1 and 2 and pipe fitting, is characterized in that described thermo-stabilizer to be selected with plumbous class as main stabilising system, has the complex lead salt stabilizer of inside and outside lubricating system concurrently.
4. the chlorinated polyvinyl chloride electrical bushing according to any one of claim 1-3 and pipe fitting, it is characterized in that described lubricant is divided into internal lubricant and external lubricant, the consumption blend proportion of inside and outside lubricant is in 1: 1 scope, wherein internal lubricant adopts the one in metal soap and stearic acid, and external lubricant adopts paraffin.
5. chlorinated polyvinyl chloride height electrical bushing according to claim 1 and pipe fitting, is characterized in that described anti-impact modifier adopts chlorinity to be the chlorinatedpolyethylene of 35-40%;
Preferably, modifier adopts acrylics properties-correcting agent.
6. chlorinated polyvinyl chloride electrical bushing according to claim 1 and pipe fitting, is characterized in that described fire retardant adopts antimonous oxide.
7. the chlorinated polyvinyl chloride electrical bushing according to any one of claim 1 ~ 6 and pipe fitting, is characterized in that the order number of described nano-calcium carbonate is greater than 1500 orders.
8. chlorinated polyvinyl chloride high-strength porous casing according to claim 1 and pipe fitting, is characterized in that described sleeve structure is the imitative biotechnology honeycomb fashion arrangement of just hexagonal lumen closest packing.
9. chlorinated polyvinyl chloride high-strength porous casing according to claim 7 and pipe fitting, is characterized in that described pipe fitting is with the T-shaped pipe fitting of the direction die stamp around core rod by needle-like cast gate molten materials.
10. produce a method for chlorinated polyvinyl chloride high-strength porous casing and pipe fitting, the method for its production casing comprises the processing step of following order:
(1) prepare burden: (by weight) is by chlorinated polyvinyl chloride resin powder: 100, nano polyvinyl chloride resin: 8-15, thermo-stabilizer: 3-4, lubricant: 2-3, anti-impact modifier: 8-10, modifier: 2-4, fire retardant: 3-4, nano-calcium carbonate: 1-2 mixed preparing;
(2) stir: stirred in homogenizer by the raw material prepared, temperature stirs after reaching 100-105 DEG C again and is cooled to 60 DEG C in cooling mixing machine, enters in storage bin for subsequent use;
(3) sieve and extrude: extruding blank with twin screw extruder;
(4) Vacuum shaping: be shaped to porous casing material;
(5) fixed length cutting;
(6) check, pack, put in storage.
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| CN105733111A (en) * | 2016-03-28 | 2016-07-06 | 王社兵 | Anti-aging marine power cable |
| CN105754236A (en) * | 2016-03-28 | 2016-07-13 | 王社兵 | High-strength and anti-aging computer cable |
| CN106398033A (en) * | 2016-08-31 | 2017-02-15 | 爱康企业集团(上海)有限公司 | Flame-retardant environment-friendly type PVC tube seat |
| CN110126297A (en) * | 2019-05-21 | 2019-08-16 | 佛山市顺德区源清净化材料有限公司 | A kind of tubulose honeycomb inclined-tube forming method |
| CN110281499A (en) * | 2019-06-11 | 2019-09-27 | 安徽英标新材料科技有限公司 | A kind of production technology of high-strength injection plastic pipe |
| CN112812478A (en) * | 2021-01-22 | 2021-05-18 | 惠达(苏州)管业科技有限公司 | High-ring-stiffness high-temperature-resistant composite power pipe and machining method thereof |
| CN117487286A (en) * | 2023-10-19 | 2024-02-02 | 材通(乐昌)管业科技有限公司 | Flame-retardant PVC electrical bushing and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733111A (en) * | 2016-03-28 | 2016-07-06 | 王社兵 | Anti-aging marine power cable |
| CN105754236A (en) * | 2016-03-28 | 2016-07-13 | 王社兵 | High-strength and anti-aging computer cable |
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| CN110126297A (en) * | 2019-05-21 | 2019-08-16 | 佛山市顺德区源清净化材料有限公司 | A kind of tubulose honeycomb inclined-tube forming method |
| CN110281499A (en) * | 2019-06-11 | 2019-09-27 | 安徽英标新材料科技有限公司 | A kind of production technology of high-strength injection plastic pipe |
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| CN112812478A (en) * | 2021-01-22 | 2021-05-18 | 惠达(苏州)管业科技有限公司 | High-ring-stiffness high-temperature-resistant composite power pipe and machining method thereof |
| CN117487286A (en) * | 2023-10-19 | 2024-02-02 | 材通(乐昌)管业科技有限公司 | Flame-retardant PVC electrical bushing and preparation method thereof |
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