CN1884354A - Rubber material for metal and rubber composite shock-absorbent product - Google Patents
Rubber material for metal and rubber composite shock-absorbent product Download PDFInfo
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- CN1884354A CN1884354A CN 200610016938 CN200610016938A CN1884354A CN 1884354 A CN1884354 A CN 1884354A CN 200610016938 CN200610016938 CN 200610016938 CN 200610016938 A CN200610016938 A CN 200610016938A CN 1884354 A CN1884354 A CN 1884354A
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- Prior art keywords
- rubber
- elastomeric material
- absorbent product
- agent
- composite shock
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 title claims abstract description 7
- 239000002250 absorbent Substances 0.000 title claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 45
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 11
- 238000005728 strengthening Methods 0.000 claims abstract description 10
- 239000013536 elastomeric material Substances 0.000 claims description 28
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 14
- 244000043261 Hevea brasiliensis Species 0.000 claims description 12
- 229920003052 natural elastomer Polymers 0.000 claims description 12
- 229920001194 natural rubber Polymers 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 12
- QAZLUNIWYYOJPC-UHFFFAOYSA-M sulfenamide Chemical compound [Cl-].COC1=C(C)C=[N+]2C3=NC4=CC=C(OC)C=C4N3SCC2=C1C QAZLUNIWYYOJPC-UHFFFAOYSA-M 0.000 claims description 11
- 230000001737 promoting effect Effects 0.000 claims description 9
- 239000006229 carbon black Substances 0.000 claims description 8
- 235000021355 Stearic acid Nutrition 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
- 239000005864 Sulphur Substances 0.000 claims description 7
- 229920002681 hypalon Polymers 0.000 claims description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000008117 stearic acid Substances 0.000 claims description 7
- 238000004073 vulcanization Methods 0.000 claims description 7
- 239000011787 zinc oxide Substances 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000003431 cross linking reagent Substances 0.000 claims description 5
- 239000004902 Softening Agent Substances 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000010721 machine oil Substances 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 2
- 230000003078 antioxidant effect Effects 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 239000013543 active substance Substances 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 239000000571 coke Substances 0.000 abstract 1
- -1 elasticizer Substances 0.000 abstract 1
- 239000000945 filler Substances 0.000 abstract 1
- 238000007906 compression Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 7
- MHKLKWCYGIBEQF-UHFFFAOYSA-N 4-(1,3-benzothiazol-2-ylsulfanyl)morpholine Chemical compound C1COCCN1SC1=NC2=CC=CC=C2S1 MHKLKWCYGIBEQF-UHFFFAOYSA-N 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 229920001967 Metal rubber Polymers 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a rubber material for buffer composite with metal and rubber, comprising rubber, vulcanizing agent, accelerating agent, anti-aging agent, strengthening agent, active agent, elasticizer, filler and anticoking additive. The rubber material is characterized by good mechanical property, distinctive anti-aging property, strong adhesive strength between rubber and metal, permitted rubber creep range during usage, long coke burning time, and fast vulcanizing speed.
Description
Technical field:
The present invention relates to a kind of elastomeric material, especially relate to a kind of city rail and the metro vehicle bogie metal of damping and draw and the elastomeric material of rubber combined product.
Background technology:
In recent years, urban track traffic obtains promotion and application in the increasing city of China, and China's track traffic is quite high in the ratio of the amount of building, construction speed is also very fast, and rail traffic vehicles bogie part is the key component of car body, and the metal-rubber composite shock-absorbent product that bogie is used belongs to safety member, require product elastomeric material good mechanical property, the weatherability excellence, metal and rubber bonding strength height, the product dynamic fatigue of making is good, and the rubber creep is in allowed limits in the usage period for product.Because product is large-scale thick product, be fit to compression molding, requires vulcanization of rubber curve flatness good, time of scorch is long, and speed was fast when sizing material began to vulcanize.At present, the elastomeric material part ageing-resistant performance, adhesiveproperties and the product creep properties aspect that are used for this accessory all can not satisfy the vehicle operating requirement, can't bear powerful tension and compression, bending, torsional load.
Summary of the invention:
Technical problem to be solved by this invention provides anti-vibration article elastomeric material and preparation method thereof that a kind of ageing-resistant performance, adhesiveproperties and product creep properties aspect can both satisfy the vehicle operating requirement, and it can bear powerful tension and compression, bending, torsional load.
Elastomeric material of the present invention is made up of the raw material of following weight part:
Rubber 100 vulcanizing agents 0.3～5 promotor 1.0～3.0
Anti-aging agent 1.5～6.0 strengthening agents 15～75 promoting agents 4.0～8.0
Softening softening agent 3.0～25 weighting agents 0～30 scorch retarder 0～1.0.
Rubber comprises natural rubber 75～85 weight parts, chlorosulfonated polyethylene rubber 15～25 weight parts.
Vulcanizing agent comprises sulphur 0.3-3 weight part, vulcanization crosslinking agent 0-2.0 weight part.
Promotor comprises sulfenamide 1.0～2.0 weight parts, thiurams 0～1.0 weight part.
Anti-aging agent comprises chemical antiager 1.5～3.0 weight parts, physical antioxidant 0～3.0 weight part.
Strengthening agent comprises carbon black 15～60 weight parts, white carbon black 0～15 weight part.
Promoting agent comprises zinc oxide 3.0～5.0 weight parts, stearic acid 1.0～3.0 weight parts.
Softening plasticising material stuff comprises coumarone solid 3.0～5.0 weight parts, Stockholm tar 0～5.0 weight part, machine oil 0～15 weight part.
Weighting agent is a light calcium carbonate.
Scorch retarder is C.T.P.
Elastomeric material good mechanical property of the present invention, weatherability excellence, rubber and Bond Strength height, the product dynamic fatigue of making is good, and the rubber creep is in allowed band in the usage period for product, and vulcanization of rubber curve flatness is good, time of scorch is long, and speed was fast when sizing material began to vulcanize.
Description of drawings:
Fig. 1 is embodiment 1 a vulkameter laboratory report graphic representation;
Fig. 2 is embodiment 2 vulkameter laboratory report graphic representations;
Fig. 3 is embodiment 3 vulkameter laboratory report graphic representations;
Fig. 4 is embodiment 4 vulkameter laboratory report graphic representations;
Fig. 5 is embodiment 5 vulkameter laboratory report graphic representations.
Embodiment:
Embodiment 1
Adopt natural rubber and chlorosulfonated polyethylene as elastomeric material, press following weight part proportioning:
Rubber 100, wherein: natural rubber SCR-5 75, chlorosulfonated polyethylene-40 25
Vulcanizing agent 2.1, wherein: sulphur 0.6, vulcanization crosslinking agent 268 1.5
Promotor 2.1, wherein: sulfenamide NOBS 1.5, thiurams TT 0.6
Anti-aging agent 4.5, wherein: chemical antiager 4010NA 1.0, chemical antiager D
1.5, physical antioxidant-protection wax FLY-3 2.0
Strengthening agent semi-reinforcing hydrocarbon black 32.0
Promoting agent 6.3, wherein: zinc oxide 5.0, stearic acid 1.3
Softening softening agent-solid coumarone 4.0
Scorch retarder C.T.P 0.5.
The elastomeric material test-results
| Sequence number | Project | Index | Test method | Measured value |
| 1 | Hardness (Shao Er A) degree | 72±3 | GB531 | 71 |
| 2 | Breaking tenacity Mpa | ≥18.0 | GB528 | 25 |
| 3 | 300% stress at definite elongation Mpa | ≥10.0 | GB528 | 15 |
| 4 | Tensile yield % | ≥350 | GB528 | 490 |
| 5 | 70 ℃ of 24h 25% of the permanent change of constant compression | ≤30 | GB7759 | 23 | |
| 6 | Shock elasticity % | ≥45 | GB1681 | 46 | |
| 7 | Temperature limit of brittleness ℃ | ≤-50 | GB1682 | -50 is not disconnected | |
| 8 | Metal and rubber adhesion intensity Mpa | ≥5.0 | GB11211 | 7.0 | |
| 9 | 70 ℃ of 96h of test conditions | Changes in hardness (Shao Er A) degree | ≤6 | GB3512 | 4 |
| Breaking tenacity changes % | ≥-10 | GB3512 | -8 | ||
| Tensile yield changes % | ≥-20 | GB3512 | -14.2 | ||
Its vulkameter laboratory report is seen Fig. 1.
Embodiment 2
Adopt natural rubber and chlorosulfonated polyethylene as elastomeric material, press following weight part proportioning:
Rubber 100, wherein: natural rubber SCR-5 85, chlorosulfonated polyethylene-40 15
Vulcanizing agent 3.7, wherein: sulphur 2.5, vulcanization crosslinking agent 268 1.2
Promotor 1.8, wherein: sulfenamide NOBS 1.5, sulfenamide CZ 0.3
Anti-aging agent 4.5, wherein: chemical antiager 4010NA 1.0, chemical antiager D
1.5, physical antioxidant-protection wax FLY-3 2
Strengthening agent 52.0, wherein: hard(carbon)black 42.0, white carbon black 10.0
Promoting agent 6.3, wherein: zinc oxide 5, stearic acid 1.3
Softening softening agent-solid coumarone 4.0.
The elastomeric material test-results
| Sequence number | Project | Index | Test method | Measured value |
| 1 | Hardness (Shao Er A) degree | 63～75 | GB531 | 65 |
| 2 | Breaking tenacity Mpa | ≥18.0 | GB528 | 25 |
| 3 | 300% stress at definite elongation Mpa | ≥10.0 | GB528 | 13 |
| 4 | Tensile yield % | ≥350 | GB528 | 450 |
| 5 | 70 ℃ of 24h 25% of constant compression tension set | ≤30 | GB7759 | 23 | |
| 6 | Shock elasticity % | ≥45 | GB1681 | 46 | |
| 7 | Temperature limit of brittleness ℃ | ≤-50 | GB1682 | -50 is not disconnected | |
| 8 | Metal and rubber adhesion intensity Mpa | ≥5.0 | GB11211 | 7.2 | |
| 9 | 70 ℃ of 96h of test conditions | Changes in hardness (Shao Er A) degree | ≤6 | GB3512 | 4 |
| Breaking tenacity changes % | ≥-10 | GB3512 | -8 | ||
| Tensile yield changes % | ≥-20 | GB3512 | -15.6 | ||
Its vulkameter laboratory report is seen Fig. 2.
Embodiment 3
Adopt natural rubber and chlorosulfonated polyethylene as elastomeric material, press following weight part proportioning:
Rubber 100, wherein: natural rubber SCR-5 85, chlorosulfonated polyethylene-40 15
Vulcanizing agent 3.7, wherein: sulphur 2.5, vulcanization crosslinking agent 268 1.2
Promotor 1.8, wherein: sulfenamide NOBS 1.5, sulfenamide CZ 0.3
Anti-aging agent 2.5, wherein: chemical antiager 4010NA 1.0, chemical antiager D 1.5
Strengthening agent 59.0, wherein: hard(carbon)black 49.0, white carbon black 10.0
Promoting agent 6.3, wherein: zinc oxide 5, stearic acid 1.3
Softening softening agent-solid coumarone 4.0
The elastomeric material test-results
| Sequence number | Project | Index | Test method | Measured value |
| 1 | Hardness (Shao Er A) degree | 63～75 | GB531 | 69 |
| 2 | Breaking tenacity Mpa | ≥18.0 | GB528 | 26 |
| 3 | 300% stress at definite elongation Mpa | ≥10.0 | GB528 | 13 |
| 4 | Tensile yield % | ≥350 | GB528 | 500 |
| 5 | 70 ℃ of 24h 25% of constant compression tension set | ≤30 | GB7759 | 22 |
| 6 | Shock elasticity % | ≥45 | GB1681 | 47 | |
| 7 | Temperature limit of brittleness ℃ | ≤-50 | GB1682 | -50 is not disconnected | |
| 8 | Metal and rubber adhesion intensity Mpa | ≥5.0 | GB11211 | 7.4 | |
| 9 | 70 ℃ of 96h of test conditions | Changes in hardness (Shao Er A) degree | ≤6 | GB3512 | 4 |
| Breaking tenacity changes % | ≥-10 | GB3512 | -8 | ||
| Tensile yield changes % | ≥-20 | GB3512 | -16 | ||
Its vulkameter laboratory report is seen Fig. 3.
Embodiment 4
Adopt natural rubber and chlorosulfonated polyethylene as elastomeric material, press following weight part proportioning:
Rubber 100, wherein: natural rubber SCR-5 85, chlorosulfonated polyethylene-40 15
Vulcanizing agent sulphur 2.5
Promotor 2.0, wherein: sulfenamide NOBS 1.5, sulfenamide CZ 0.5
Anti-aging agent 2.5, wherein: chemical antiager 4010NA 1.0, chemical antiager D 1.5
Strengthening agent 42.0, wherein: semi-reinforcing hydrocarbon black 37.0, white carbon black 15.0
Promoting agent 6.3, wherein: zinc oxide 5, stearic acid 1.3
Soften softening agent 7.0 wherein: solid coumarone 4.0, Stockholm tar 3.0
Embodiment 4 elastomeric material test-results
| Sequence number | Project | Index | Test method | Measured value |
| 1 | Hardness (Shao Er A) degree | 63～75 | GB531 | 62 |
| 2 | Breaking tenacity Mpa | ≥18.0 | GB528 | 24 |
| 3 | 300% stress at definite elongation Mpa | ≥10.0 | GB528 | 11.0 |
| 4 | Tensile yield % | ≥350 | GB528 | 620 |
| 5 | 70 ℃ of 24h 25% of constant compression tension set | ≤30 | GB7759 | 28 |
| 6 | Shock elasticity % | ≥50 | GB1681 | 50 |
| 7 | Temperature limit of brittleness ℃ | ≤-50 | GB1682 | -50 is not disconnected | |
| 8 | Metal and rubber adhesion intensity Mpa | ≥5.0 | GB11211 | 6.2 | |
| 9 | 70 ℃ of 96h of test conditions | Changes in hardness (Shao Er A) degree | ≤6 | GB3512 | +5 |
| Breaking tenacity changes % | ≥-10 | GB3512 | -8.6 | ||
| Tensile yield changes % | ≥-20 | GB3512 | -18.9 | ||
Its vulkameter laboratory report is seen Fig. 4.
Embodiment 5
Adopt natural rubber and chlorosulfonated polyethylene as elastomeric material, press following weight part proportioning:
Rubber 100, wherein: natural rubber SCR-5 85, chlorosulfonated polyethylene-40 15
Vulcanizing agent sulphur 2.5
Promotor 2.0, wherein: sulfenamide NOBS 1.5, sulfenamide CZ 0.5
Anti-aging agent 2.5, wherein: chemical antiager 4010N 1.0, chemical antiager D 1.5
The general carbon black 18.0 of strengthening agent
Weighting agent light calcium carbonate 18.0
Promoting agent 6.3, wherein: zinc oxide 5, stearic acid 1.3
Soften softening agent 18.0 wherein: solid coumarone 5.0, Stockholm tar 5.0, machine oil 8.0
Embodiment 5 elastomeric material performances: operative norm TB/T2843-1997
| Sequence number | Project | Index | Test method | Detected result |
| 1 | Hardness (Shao Er A) degree | 55±3 | GB531 | 54 |
| 2 | Breaking tenacity Mpa | ≥20 | GB528 | 21 |
| 3 | 300% stress at definite elongation Mpa | ≥7.0 | GB528 | 7.0 |
| 4 | Tensile yield % | ≥500 | GB528 | 630 |
| 5 | 70 ℃ of 24h 25% of constant compression tension set | ≤30 | GB7759 | 28 |
| 7 | Temperature limit of brittleness ℃ | ≤-50 | GB1682 | -50 is not disconnected |
| 8 | Metal and rubber adhesion intensity Mpa | ≥4.0 | GB11211 | 6.2 | |
| 9 | 70 ℃ of 96h of test conditions | Changes in hardness (Shao Er A) degree | ≤6 | GB3512 | +5 |
| Breaking tenacity changes % | ≥-10 | GB3512 | -8 | ||
| Tensile yield changes % | ≥-15 | GB3512 | -12 | ||
Its vulkameter laboratory report is seen Fig. 5.
Claims (10)
1, a kind of metal and rubber composite shock-absorbent product elastomeric material is characterized in that: be made up of the raw material of following weight part:
Rubber 100 vulcanizing agents 0.3～5 promotor 1.0～3.0
Anti-aging agent 1.5～6.0 strengthening agents 15～75 promoting agents 4.0～8.0
Softening softening agent 3.0～25 weighting agents 0～30 scorch retarder 0～1.0.
2, metal according to claim 1 and rubber composite shock-absorbent product elastomeric material is characterized in that: rubber comprises natural rubber 75～85 weight parts, chlorosulfonated polyethylene rubber 15～25 weight parts.
3, metal according to claim 1 and rubber composite shock-absorbent product elastomeric material is characterized in that: vulcanizing agent comprises sulphur 0.3-3 weight part, vulcanization crosslinking agent 0-2.0 weight part.
4, metal according to claim 1 and rubber composite shock-absorbent product elastomeric material is characterized in that: promotor comprises sulfenamide 1.0～2.0 weight parts, thiurams 0～1.0 weight part.
5, metal according to claim 1 and rubber composite shock-absorbent product elastomeric material is characterized in that: anti-aging agent comprises chemical antiager 1.5～3.0 weight parts, physical antioxidant 0～3.0 weight part.
6, metal according to claim 1 and rubber composite shock-absorbent product elastomeric material is characterized in that: strengthening agent comprises carbon black 15～60 weight parts, white carbon black 0～15 weight part.
7, metal according to claim 1 and rubber composite shock-absorbent product elastomeric material is characterized in that: promoting agent comprises zinc oxide 3.0～5.0 weight parts, stearic acid 1.0～3.0 weight parts.
8, metal according to claim 1 and rubber composite shock-absorbent product elastomeric material is characterized in that: softening plasticising material stuff comprises coumarone solid 3.0～5.0 weight parts, Stockholm tar 0～5.0 weight part, machine oil 0～15 weight part.
9, metal according to claim 1 and rubber composite shock-absorbent product elastomeric material is characterized in that: weighting agent is a light calcium carbonate.
10, metal according to claim 1 and rubber composite shock-absorbent product elastomeric material is characterized in that: scorch retarder is C.T.P.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100169388A CN100404601C (en) | 2006-06-14 | 2006-06-14 | Rubber material for metal and rubber composite shock-absorbent product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100169388A CN100404601C (en) | 2006-06-14 | 2006-06-14 | Rubber material for metal and rubber composite shock-absorbent product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1884354A true CN1884354A (en) | 2006-12-27 |
| CN100404601C CN100404601C (en) | 2008-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100169388A Active CN100404601C (en) | 2006-06-14 | 2006-06-14 | Rubber material for metal and rubber composite shock-absorbent product |
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| CN101913855B (en) * | 2010-08-24 | 2011-11-16 | 中北大学 | Preparation method of iron strontium oxide magnetic nanoparticles and magnetic damping rubber thereof |
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| CN102167850A (en) * | 2011-05-23 | 2011-08-31 | 安徽中鼎泰克汽车密封件有限公司 | Rubber spring material for automobile braking double-cavity serial brake valve and preparation method thereof |
| CN102443201A (en) * | 2011-09-13 | 2012-05-09 | 安徽盛运橡胶有限责任公司 | Rubber coating layer of conveyor roller, and preparation method thereof |
| CN104341616A (en) * | 2013-07-28 | 2015-02-11 | 安徽同丰橡塑工业有限公司 | Flame-retardation ageing-resistant rubber cable material and preparation method thereof |
| CN103665701A (en) * | 2013-11-26 | 2014-03-26 | 际华三五一七橡胶制品有限公司 | Novel composite resin-ancient pine resin and preparation method thereof |
| CN104744739A (en) * | 2013-12-31 | 2015-07-01 | 无锡市美峰橡胶制品制造有限公司 | Formula of antifatigue natural rubber |
| CN104530502A (en) * | 2014-12-31 | 2015-04-22 | 天津市中塘五金橡胶制品有限公司 | Rubber material for shock absorbing bushing |
| CN112469795A (en) * | 2018-07-26 | 2021-03-09 | 朗盛德国有限责任公司 | Adhesive mixture for uncured rubber |
| CN109749150A (en) * | 2019-02-19 | 2019-05-14 | 江苏骆氏减震件有限公司 | A kind of high intensity yielding rubber |
| CN109957153A (en) * | 2019-03-26 | 2019-07-02 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of resilient cushion rubber material |
| CN112500648A (en) * | 2020-07-23 | 2021-03-16 | 安徽睿驰精密部件有限公司 | Processing technology of rubber material for damping sleeve |
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