CN105542249B - A kind of machinery sealing material of high abrasion and preparation method thereof - Google Patents
A kind of machinery sealing material of high abrasion and preparation method thereof Download PDFInfo
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- CN105542249B CN105542249B CN201610095188.1A CN201610095188A CN105542249B CN 105542249 B CN105542249 B CN 105542249B CN 201610095188 A CN201610095188 A CN 201610095188A CN 105542249 B CN105542249 B CN 105542249B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
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- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a kind of machinery sealing material of high abrasion and preparation method thereof, the material in parts by weight, is made up of following raw material：33 40 parts of 20 30 parts of butadiene-styrene rubber, 28 35 parts of nitrile rubber, 48 55 parts of smoked sheet, 3.5 4.5 parts of zinc oxide, 1 1.28 parts of activating agent MSP S, 4.5 5.2 parts of accelerator PZ, 0.3 0.6 parts of antioxidant MB, 7,361 1.4 parts of antioxidant, 1.2 1.6 parts of sulphur, 15 18 parts of paraffin oil and carbon black；Its preparation process is：After smoked sheet is plasticated, close and refine with butadiene-styrene rubber, nitrile rubber, it is kneaded again with zinc oxide, activating agent MSP S, accelerator PZ, antioxidant MB, antioxidant 736, paraffin oil and carbon black, film is made, finally sulphur is added on film, repressed shaping, vulcanizing treatment obtain a kind of machinery sealing material of high abrasion.
Description
Technical field
The present invention relates to mechanical material technical field, the machinery sealing material of specifically a kind of high abrasion and its preparation side
Method.
Background technology
Mechanical seal (mechanical seal) refers to by least one pair of perpendicular to the end face of rotation axis in Fluid pressure
Keep being bonded and forming with respect to slip with the presence of compensation mechanism elastic force (or magnetic force) and under the cooperation of auxiliary seal
The device for preventing fluid from leaking.Elastic force load maintainer and auxiliary seal be metallicity line pipe mechanical seal we be referred to as metal wave
The line seal of tube.In light seal, also make auxiliary seal using rubber bellows, rubber bellows elastic force is limited, typically
Need to be aided with spring to meet to load elastic force.
Mechanical seal includes the equipment such as centrifugal pump, centrifuge, reactor and compressor.Because power transmission shaft is applied in equipment
Outside, so, a circumferential clearance between axle and equipment be present, the medium in equipment is leaked out by the gap, if equipment
Interior pressure subatmospheric, then air is to equipment internal leakage, it is therefore necessary to has a gland seal device for preventing leakage.The kind of axle envelope
Class is a lot, because mechanical seal has the advantages that leakage rate is few and long lifespan, so in the world mechanical seal be these equipment most
Main sealing mode.It is well known that the leakage rate of mechanical seal depends mainly on the size of the surface roughness of primary sealing area
,, can the invention provides a kind of machinery sealing material of high-wearing feature based on this with glacing flatness and the wearability of encapsulant
To be widely used in technical field of mechanical.
The content of the invention
It is an object of the invention to provide a kind of machinery sealing material of high abrasion and preparation method thereof, obtained material tool
There are excellent hardness, elasticity, wearability, pliability and the characteristic such as anti-aging, may be used as mechanical seal material.
To achieve the above object, the present invention provides following technical scheme：
A kind of machinery sealing material of high abrasion, in parts by weight, it is made up of following raw material：Butadiene-styrene rubber 20-30 parts,
Nitrile rubber 28-35 parts, smoked sheet 48-55 parts, zinc oxide 3.5-4.5 parts, activating agent MSP-S 1-1.28 parts, accelerator PZ
4.5-5.2 parts, antioxidant MB 0.3-0.6 parts, antioxidant 7361-1.4 parts, sulphur 1.2-1.6 parts, paraffin oil 15-18 parts and charcoal
Black 33-40 parts.
As the further scheme of the present invention：In parts by weight, it is made up of following raw material：Butadiene-styrene rubber 24-28 parts, fourth
Nitrile rubber 30-32 parts, smoked sheet 52-55 parts, zinc oxide 3.8-4.1 parts, activating agent MSP-S 1.1-1.2 parts, accelerator PZ 4.6-
4.9 parts, antioxidant MB 0.4-0.5 parts, antioxidant 7361.1-1.3 parts, sulphur 1.2-1.4 parts, paraffin oil 16-18 parts and carbon black
35-38 parts.
As the further scheme of the present invention：In parts by weight, it is made up of following raw material：26 parts of butadiene-styrene rubber, butyronitrile
31 parts of rubber, 53 parts of smoked sheet, 3.9 parts of zinc oxide, 1.1 parts of activating agent MSP-S, 4.8 parts of accelerator PZ, antioxidant MB 0.45
Part, 7361.2 parts of antioxidant, 1.3 parts of sulphur, 17 parts of paraffin oil and 36 parts of carbon black.
The preparation method of the machinery sealing material of described high abrasion, comprises the following steps：
(1) plasticate：It is 0.47-0.50 that smoked sheet is placed in into thin logical processing to Wei Shi plasticitys of plasticating in mill, and modeling is made
Refine smoked sheet；
(2) refining is closed：Smoked sheet of plasticating, butadiene-styrene rubber and the nitrile rubber of step (1) are first closed on a mill in proportion
Refining, then it is thin it is logical plasticate twice, then beat triangle bag three times, formed and close refining glue；
(3) it is kneaded：In proportion by the conjunction refining glue of step (2) and zinc oxide, activating agent MSP-S, accelerator PZ, age resistor
MB, antioxidant 736, paraffin oil and carbon black are added in banbury, and elastomeric compound is prepared in 92-95 DEG C of mixing；
(4) vulcanize：Film is made in the elastomeric compound of step (3), then sulphur is added on film, suppressed using mould
Shaping, then vulcanizing treatment is carried out, obtain the machinery sealing material of described high abrasion.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is used in combination using smoked sheet with butadiene-styrene rubber, nitrile rubber so that the machinery sealing material has preferable
Hardness, elasticity, wearability and pliability, and it is few to be generated heat under dynamic load, and resistance to ag(e)ing is good, so that the mechanical seal
Material may be used as mechanical sealing member or mechanical seal ring；Using zinc oxide, activating agent MSP-S collectively as butadiene-styrene rubber and fourth
The activator of nitrile rubber, activator cooperatively form crosslinking agent with accelerator PZ, promote sulphur and butadiene-styrene rubber, nitrile rubber and cigarette
Glue is crosslinked；Antioxidant MB and heat resistanceheat resistant oxygen agent 736 are used in combination, and anti-aging and the heat resistanceheat resistant oxygen that can improve butadiene-styrene rubber and nitrile rubber are old
The performance of change；On the one hand paraffin oil can soften butadiene-styrene rubber and nitrile rubber to improve machinery as plasticizer and protective agent
The pliability of encapsulant so that material is easily manufactured to the finished products such as seal and sealing ring, on the other hand can be close in machinery
Protective layer is formed on closure material so that material is from impaired；Carbon black has one again as butadiene-styrene rubber and the filler of nitrile rubber
Fixed strengthening action, the intensity and wearability of machinery sealing material can be strengthened；Sulphur is as butadiene-styrene rubber, nitrile rubber and cigarette
The vulcanizing agent of glue, be advantageous to improve flexible resistance, wearability and the cold resistance of encapsulant.Therefore, machinery provided by the invention
Encapsulant has excellent hardness, elasticity, wearability, pliability and the characteristic such as anti-aging, may be used as mechanical seal material
Material.
Using method as defined in national sector standard HG/T2579-94 to above-mentioned machinery sealing material provided by the invention
Hardness, tensile strength, tensile elongation and abrasion are tested and analyzed, after testing, the shore hardness of above-mentioned machinery sealing material
For 55-68, tensile strength 16-19MPa, tensile elongation 400-480%, abrasion 0.29-0.38cm3/1.61K·m.By
This proves that encapsulant provided by the invention reaches the standard of mechanical seal.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of machinery sealing material of high abrasion, in parts by weight, it is made up of following raw material：
20 parts of butadiene-styrene rubber, 35 parts of nitrile rubber, 48 parts of smoked sheet, 4.5 parts of zinc oxide, 1 part of activating agent MSP-S, accelerator PZ 5.2
Part, 0.3 part of antioxidant MB, 7361.4 parts of antioxidant, 1.2 parts of sulphur, 18 parts of paraffin oil and 33 parts of carbon black.
The preparation method of the machinery sealing material of described high abrasion, comprises the following steps：
(1) plasticate：It is 0.47 that smoked sheet is placed in into thin logical processing to Wei Shi plasticitys of plasticating in mill, and cigarette of plasticating is made
Glue；
(2) refining is closed：Smoked sheet of plasticating, butadiene-styrene rubber and the nitrile rubber of step (1) are first closed on a mill in proportion
Refining, then it is thin it is logical plasticate twice, then beat triangle bag three times, formed and close refining glue；
(3) it is kneaded：In proportion by the conjunction refining glue of step (2) and zinc oxide, activating agent MSP-S, accelerator PZ, age resistor
MB, antioxidant 736, paraffin oil and carbon black are added in banbury, and elastomeric compound is prepared in 92 DEG C of mixings；
(4) vulcanize：Film is made in the elastomeric compound of step (3), then sulphur is added on film, suppressed using mould
Shaping, then vulcanizing treatment is carried out, obtain the machinery sealing material of described high abrasion.
Embodiment 2
In the embodiment of the present invention, a kind of machinery sealing material of high abrasion, in parts by weight, it is made up of following raw material：
30 parts of butadiene-styrene rubber, 28 parts of nitrile rubber, 55 parts of smoked sheet, 3.5 parts of zinc oxide, 1.28 parts of activating agent MSP-S, accelerator PZ
40 parts of 4.5 parts, 0.6 part of antioxidant MB, 7361 parts of antioxidant, 1.6 parts of sulphur, 15 parts of paraffin oil and carbon black.
The preparation method of the machinery sealing material of described high abrasion, comprises the following steps：
(1) plasticate：It is 0.50 that smoked sheet is placed in into thin logical processing to Wei Shi plasticitys of plasticating in mill, and cigarette of plasticating is made
Glue；
(2) refining is closed：Smoked sheet of plasticating, butadiene-styrene rubber and the nitrile rubber of step (1) are first closed on a mill in proportion
Refining, then it is thin it is logical plasticate twice, then beat triangle bag three times, formed and close refining glue；
(3) it is kneaded：In proportion by the conjunction refining glue of step (2) and zinc oxide, activating agent MSP-S, accelerator PZ, age resistor
MB, antioxidant 736, paraffin oil and carbon black are added in banbury, and elastomeric compound is prepared in 95 DEG C of mixings；
(4) vulcanize：Film is made in the elastomeric compound of step (3), then sulphur is added on film, suppressed using mould
Shaping, then vulcanizing treatment is carried out, obtain the machinery sealing material of described high abrasion.
Embodiment 3
In the embodiment of the present invention, a kind of machinery sealing material of high abrasion, in parts by weight, it is made up of following raw material：
24 parts of butadiene-styrene rubber, 32 parts of nitrile rubber, 52 parts of smoked sheet, 4.1 parts of zinc oxide, 1.1 parts of activating agent MSP-S, accelerator PZ 4.9
Part, 0.4 part of antioxidant MB, 7361.3 parts of antioxidant, 1.2 parts of sulphur, 18 parts of paraffin oil and 35 parts of carbon black.
The preparation method of the machinery sealing material of described high abrasion, comprises the following steps：
(1) plasticate：It is 0.47 that smoked sheet is placed in into thin logical processing to Wei Shi plasticitys of plasticating in mill, and cigarette of plasticating is made
Glue；
(2) refining is closed：Smoked sheet of plasticating, butadiene-styrene rubber and the nitrile rubber of step (1) are first closed on a mill in proportion
Refining, then it is thin it is logical plasticate twice, then beat triangle bag three times, formed and close refining glue；
(3) it is kneaded：In proportion by the conjunction refining glue of step (2) and zinc oxide, activating agent MSP-S, accelerator PZ, age resistor
MB, antioxidant 736, paraffin oil and carbon black are added in banbury, and elastomeric compound is prepared in 95 DEG C of mixings；
(4) vulcanize：Film is made in the elastomeric compound of step (3), then sulphur is added on film, suppressed using mould
Shaping, then vulcanizing treatment is carried out, obtain the machinery sealing material of described high abrasion.
Embodiment 4
In the embodiment of the present invention, a kind of machinery sealing material of high abrasion, in parts by weight, it is made up of following raw material：
28 parts of butadiene-styrene rubber, 30 parts of nitrile rubber, 55 parts of smoked sheet, 3.8 parts of zinc oxide, 1.2 parts of activating agent MSP-S, accelerator PZ 4.6
Part, 0.5 part of antioxidant MB, 7361.1 parts of antioxidant, 1.4 parts of sulphur, 16 parts of paraffin oil and 38 parts of carbon black.
The preparation method of the machinery sealing material of described high abrasion, comprises the following steps：
(1) plasticate：It is 0.50 that smoked sheet is placed in into thin logical processing to Wei Shi plasticitys of plasticating in mill, and cigarette of plasticating is made
Glue；
(2) refining is closed：Smoked sheet of plasticating, butadiene-styrene rubber and the nitrile rubber of step (1) are first closed on a mill in proportion
Refining, then it is thin it is logical plasticate twice, then beat triangle bag three times, formed and close refining glue；
(3) it is kneaded：In proportion by the conjunction refining glue of step (2) and zinc oxide, activating agent MSP-S, accelerator PZ, age resistor
MB, antioxidant 736, paraffin oil and carbon black are added in banbury, and elastomeric compound is prepared in 92 DEG C of mixings；
(4) vulcanize：Film is made in the elastomeric compound of step (3), then sulphur is added on film, suppressed using mould
Shaping, then vulcanizing treatment is carried out, obtain the machinery sealing material of described high abrasion.
Embodiment 5
In the embodiment of the present invention, a kind of machinery sealing material of high abrasion, in parts by weight, it is made up of following raw material：
26 parts of butadiene-styrene rubber, 31 parts of nitrile rubber, 53 parts of smoked sheet, 3.9 parts of zinc oxide, 1.1 parts of activating agent MSP-S, accelerator PZ 4.8
Part, 0.45 part of antioxidant MB, 7361.2 parts of antioxidant, 1.3 parts of sulphur, 17 parts of paraffin oil and 36 parts of carbon black.
The preparation method of the machinery sealing material of described high abrasion, comprises the following steps：
(1) plasticate：It is 0.48 that smoked sheet is placed in into thin logical processing to Wei Shi plasticitys of plasticating in mill, and cigarette of plasticating is made
Glue；
(2) refining is closed：Smoked sheet of plasticating, butadiene-styrene rubber and the nitrile rubber of step (1) are first closed on a mill in proportion
Refining, then it is thin it is logical plasticate twice, then beat triangle bag three times, formed and close refining glue；
(3) it is kneaded：In proportion by the conjunction refining glue of step (2) and zinc oxide, activating agent MSP-S, accelerator PZ, age resistor
MB, antioxidant 736, paraffin oil and carbon black are added in banbury, and elastomeric compound is prepared in 94 DEG C of mixings；
(4) vulcanize：Film is made in the elastomeric compound of step (3), then sulphur is added on film, suppressed using mould
Shaping, then vulcanizing treatment is carried out, obtain the machinery sealing material of described high abrasion.
The mechanical seal material provided using method as defined in national sector standard HG/T2579-94 foregoing invention embodiment
Hardness, tensile strength, tensile elongation and the abrasion of material are tested and analyzed, and the result measured collects as shown in table 1.By table 1
Understand：The shore hardness of machinery sealing material of the present invention is 55-68, tensile strength 16-19MPa, tensile elongation 400-
480%th, 0.29-0.38cm is worn away3/1.61K·m.Thus prove that machinery sealing material provided by the invention reaches mechanical seal
Standard.
The results of property of each embodiment material of table 1
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, 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, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
1. a kind of machinery sealing material of high abrasion, it is characterised in that in parts by weight, be made up of following raw material：Butylbenzene rubber
Glue 20-30 parts, nitrile rubber 28-35 parts, smoked sheet 48-55 parts, zinc oxide 3.5-4.5 parts, activating agent MSP-S 1-1.28 parts, rush
Enter agent PZ 4.5-5.2 parts, antioxidant MB 0.3-0.6 parts, the 1-1.4 parts of antioxidant 736, sulphur 1.2-1.6 parts, paraffin oil 15-
18 parts and carbon black 33-40 parts.
2. the machinery sealing material of high abrasion according to claim 1, it is characterised in that in parts by weight, by following
Raw material is made：Butadiene-styrene rubber 24-28 parts, nitrile rubber 30-32 parts, smoked sheet 52-55 parts, zinc oxide 3.8-4.1 parts, activating agent
MSP-S 1.1-1.2 parts, accelerator PZ 4.6-4.9 parts, antioxidant MB 0.4-0.5 parts, the 1.1-1.3 parts of antioxidant 736, sulphur
Sulphur 1.2-1.4 parts, paraffin oil 16-18 parts and carbon black 35-38 parts.
3. the machinery sealing material of high abrasion according to claim 1, it is characterised in that in parts by weight, by following
Raw material is made：26 parts of butadiene-styrene rubber, 31 parts of nitrile rubber, 53 parts of smoked sheet, 3.9 parts of zinc oxide, 1.1 parts of activating agent MSP-S, rush
Enter 36 parts of 4.8 parts of agent PZ, 0.45 part of antioxidant MB, 736 1.2 parts of antioxidant, 1.3 parts of sulphur, 17 parts of paraffin oil and carbon black.
4. according to the preparation method of the machinery sealing material of any described high abrasions of claim 1-3, it is characterised in that including
Following steps：
(1) plasticate：It is 0.47-0.50 that smoked sheet is placed in into thin logical processing to Wei Shi plasticitys of plasticating in mill, and cigarette of plasticating is made
Glue；
(2) refining is closed：Smoked sheet of plasticating, butadiene-styrene rubber and the nitrile rubber of step (1) are first closed on a mill in proportion and refined, then
It is thin it is logical plasticate twice, then beat triangle bag three times, formed and close refining glue；
(3) it is kneaded：In proportion by the conjunction refining glue of step (2) and zinc oxide, activating agent MSP-S, accelerator PZ, antioxidant MB, anti-
Oxygen agent 736, paraffin oil and carbon black are added in banbury, and elastomeric compound is prepared in 92-95 DEG C of mixing；
(4) vulcanize：Film is made in the elastomeric compound of step (3), then sulphur is added on film, is pressed into using mould
Type, then vulcanizing treatment is carried out, obtain the machinery sealing material of described high abrasion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610095188.1A CN105542249B (en) | 2016-02-22 | 2016-02-22 | A kind of machinery sealing material of high abrasion and preparation method thereof |
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| CN201610095188.1A CN105542249B (en) | 2016-02-22 | 2016-02-22 | A kind of machinery sealing material of high abrasion and preparation method thereof |
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| CN109575381A (en) * | 2017-09-29 | 2019-04-05 | 中国石油天然气股份有限公司 | Clamp the raw material of block body, the production method of grip block and grip block |
| CN107739458A (en) * | 2017-11-09 | 2018-02-27 | 克里特集团有限公司 | A kind of flat gate valve sealing ring and preparation method thereof |
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| CN101332681A (en) * | 2008-07-16 | 2008-12-31 | 信义集团公司 | Preparation method of heat-proof, abrasion-proof cementing plug |
| CN101735489A (en) * | 2009-12-08 | 2010-06-16 | 南京信息工程大学 | Wear-resisting rubber composite material and preparation method thereof |
| CN103435865A (en) * | 2013-08-31 | 2013-12-11 | 青岛承天伟业机械制造有限公司 | Seal ring special for automobile air filter |
| CN103602011B (en) * | 2013-10-20 | 2015-11-04 | 安徽嘉木橡塑工业有限公司 | A kind of oil resisting rubber |
| CN103724729A (en) * | 2013-12-16 | 2014-04-16 | 芜湖万润机械有限责任公司 | Anti-fatigue rubber seal ring |
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Effective date of registration: 20171201 Address after: 362302 Nanan City, Quanzhou, Fujian, Qiu Mei Town, Qiu Zhong industrial district Applicant after: Nanan Precision Machinery Technology Co., Ltd. Address before: 314599, room 1, 105 business street, Zhenxing West Road, Jiaxing Indus Road, Tongxiang, Zhejiang Applicant before: TONGXIANG BOTENG TRADING CO., LTD. |
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