JP2016079383A - 金属加工用潤滑油組成物 - Google Patents
金属加工用潤滑油組成物 Download PDFInfo
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- JP2016079383A JP2016079383A JP2015099876A JP2015099876A JP2016079383A JP 2016079383 A JP2016079383 A JP 2016079383A JP 2015099876 A JP2015099876 A JP 2015099876A JP 2015099876 A JP2015099876 A JP 2015099876A JP 2016079383 A JP2016079383 A JP 2016079383A
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- Prior art keywords
- lubricating oil
- oil composition
- preferable
- metal
- mass
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 48
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 title abstract description 26
- 239000000314 lubricant Substances 0.000 title abstract description 6
- 239000003921 oil Substances 0.000 claims abstract description 25
- 239000005077 polysulfide Substances 0.000 claims abstract description 20
- 229920001021 polysulfide Polymers 0.000 claims abstract description 20
- 150000008117 polysulfides Polymers 0.000 claims abstract description 20
- 239000011593 sulfur Substances 0.000 claims abstract description 18
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 18
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 17
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 16
- 239000000654 additive Substances 0.000 claims abstract description 12
- AVVIDTZRJBSXML-UHFFFAOYSA-L calcium;2-carboxyphenolate;dihydrate Chemical compound O.O.[Ca+2].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O AVVIDTZRJBSXML-UHFFFAOYSA-L 0.000 claims abstract description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002199 base oil Substances 0.000 claims abstract description 9
- 230000000996 additive effect Effects 0.000 claims abstract description 8
- 239000010687 lubricating oil Substances 0.000 claims description 32
- 238000005555 metalworking Methods 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 16
- 150000002148 esters Chemical class 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 12
- 239000003925 fat Substances 0.000 claims description 9
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 238000006467 substitution reaction Methods 0.000 claims description 3
- -1 sulfide ester Chemical class 0.000 abstract description 24
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 9
- 239000000460 chlorine Substances 0.000 abstract description 9
- 229910052801 chlorine Inorganic materials 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 125000001424 substituent group Chemical group 0.000 abstract 1
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- 238000003754 machining Methods 0.000 description 6
- 238000010079 rubber tapping Methods 0.000 description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 4
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- 230000000694 effects Effects 0.000 description 4
- 150000002170 ethers Chemical class 0.000 description 4
- 239000002480 mineral oil Substances 0.000 description 4
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- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- YGSDEFSMJLZEOE-UHFFFAOYSA-N Salicylic acid Natural products OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
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- 238000012360 testing method Methods 0.000 description 3
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 3
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
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- 229920001774 Perfluoroether Polymers 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 235000019484 Rapeseed oil Nutrition 0.000 description 2
- 235000019774 Rice Bran oil Nutrition 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N anhydrous diethylene glycol Natural products OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 2
- 235000015278 beef Nutrition 0.000 description 2
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 2
- VBIGULIJWJPALH-UHFFFAOYSA-L calcium;2-carboxyphenolate Chemical class [Ca+2].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O VBIGULIJWJPALH-UHFFFAOYSA-L 0.000 description 2
- 239000003240 coconut oil Substances 0.000 description 2
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- 230000000052 comparative effect Effects 0.000 description 2
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- 239000003599 detergent Substances 0.000 description 2
- QYDYPVFESGNLHU-UHFFFAOYSA-N elaidic acid methyl ester Natural products CCCCCCCCC=CCCCCCCCC(=O)OC QYDYPVFESGNLHU-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 125000002960 margaryl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- QYDYPVFESGNLHU-KHPPLWFESA-N methyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC QYDYPVFESGNLHU-KHPPLWFESA-N 0.000 description 2
- 229940073769 methyl oleate Drugs 0.000 description 2
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000003346 palm kernel oil Substances 0.000 description 2
- 235000019865 palm kernel oil Nutrition 0.000 description 2
- 239000002540 palm oil Substances 0.000 description 2
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 2
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920013639 polyalphaolefin Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000008165 rice bran oil Substances 0.000 description 2
- 229960004889 salicylic acid Drugs 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000003549 soybean oil Substances 0.000 description 2
- 235000012424 soybean oil Nutrition 0.000 description 2
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
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- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- YFMDXYVZWMHAHJ-UHFFFAOYSA-N 1-pentaphen-1-yloxypentaphene Chemical compound C1=CC=CC2=CC3=C(C=C4C(OC=5C6=CC7=C8C=C9C=CC=CC9=CC8=CC=C7C=C6C=CC=5)=CC=CC4=C4)C4=CC=C3C=C21 YFMDXYVZWMHAHJ-UHFFFAOYSA-N 0.000 description 1
- FMNZBNCPTJEVDS-KVVVOXFISA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;(z)-octadec-9-enoic acid Chemical compound CCC(CO)(CO)CO.CCCCCCCC\C=C/CCCCCCCC(O)=O FMNZBNCPTJEVDS-KVVVOXFISA-N 0.000 description 1
- LLEFDCACDRGBKD-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;nonanoic acid Chemical compound CCC(CO)(CO)CO.CCCCCCCCC(O)=O LLEFDCACDRGBKD-UHFFFAOYSA-N 0.000 description 1
- CWTQBXKJKDAOSQ-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;octanoic acid Chemical compound CCC(CO)(CO)CO.CCCCCCCC(O)=O CWTQBXKJKDAOSQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- FDVCQFAKOKLXGE-UHFFFAOYSA-N 216978-79-9 Chemical compound C1CC(C)(C)C2=CC(C=O)=CC3=C2N1CCC3(C)C FDVCQFAKOKLXGE-UHFFFAOYSA-N 0.000 description 1
- MBGYSHXGENGTBP-UHFFFAOYSA-N 6-(2-ethylhexoxy)-6-oxohexanoic acid Chemical compound CCCCC(CC)COC(=O)CCCCC(O)=O MBGYSHXGENGTBP-UHFFFAOYSA-N 0.000 description 1
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- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 125000001196 nonadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 150000002889 oleic acids Chemical class 0.000 description 1
- 150000004045 organic chlorine compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
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- UJMWVICAENGCRF-UHFFFAOYSA-N oxygen difluoride Chemical class FOF UJMWVICAENGCRF-UHFFFAOYSA-N 0.000 description 1
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- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
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- 229960001860 salicylate Drugs 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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Abstract
Description
しかし、近年では塩素系極圧剤を配合した潤滑油は、焼却処理時のダイオキシンの発生や焼却炉の腐食、損傷等の問題が指摘されており、また一部の有機塩素化合物は、発がん性を有することが報告されている。したがって、塩素を含有しない金属加工油の開発が求められている。塩素を含有しない金属加工油としては、ポリサルファイド、硫化油脂、カルシウムスルホネート、ZnDTP等の硫黄基材や、リン酸エステル等のリン系基材を使用したものが従来から知られている(下記特許文献1〜5参照)。これらのなかでも特に活性ポリサルファイドとスルホネート併用したものが優れることが従来知られている。
しかしながら、これらの潤滑油組成物では加工性能が充分ではなく、近年の材料の硬度化、高塑性化、また加工効率の高効率化等により、切削加工では工具寿命や加工精度の低下、塑性加工では材料破断や工具破損等の問題が発生している。
R4−Sz−R5 (3)
(式中、R4およびR5は、それぞれ個別に炭素数4〜16の直鎖または分枝のアルキル基を示す。zは2〜8の正の数を示す。)
金属比が1未満では、併用時に切削、研削の加工性が不十分となる場合があり、一方、金属比が9を超えるものは金属サリシレート系清浄剤はとして不安定であり、製品とした場合に沈殿物を生じる可能性があるため好ましくない。
なお、ここでいう金属比とは、金属元素の価数×金属元素含有量(mol)/せっけん基(即ち、アルキルサリチル酸基などの基)含有量(mol)で表され、即ち、金属比はカルシウムサリシレート中のアルキルサリチル酸基含有量に対するカルシウム含有量を示す。
なお、ここでいう全塩基価とは、JIS K 2501「石油製品及び潤滑油−中和価試験方法」の7.に準拠して測定される過塩素酸法による全塩基価[mgKOH/g]をいう。
[A]成分の含有量が0.5質量%未満だと加工効率及び工具寿命の向上効果が不十分となる傾向にあり、20質量%を超えると金属加工油組成物の安定性が低下して析出物が生じやすくなる傾向にあるため、それぞれ好ましくない。
特定の硫黄系添加剤とは、具体的には、硫化油脂、硫化エステルまたはポリサルファイドである。これらはそれぞれ1種の化合物を用いても良いし、2種以上の化合物を用いても良い。また硫化油脂、硫化エステル、ポリサルファイドの2種以上を同時に含有させることもできる。
炭素数1〜24のヒドロカルビル基としては、具体的には、アルキル基、アルケニル基、シクロアルキル基、アルキルシクロアルキル基、アリール基、アルキルアリール基、アリールアルキル基等が挙げられる。これらの中でもアルキル基が好ましく、メチル基、エチル基が特に好ましい。
a1とb1の和、a2とb2の和が8未満だと溶解性が低下するため、一方14を超えると加工性が低下するためそれぞれ好ましくない。
前記不飽和脂肪酸エステルとしては、オレイン酸メチル、オレイン酸エチル、オレイン酸プロピル等のオレイン酸エステルが好ましく、これらの中ではオレイン酸メチルが効果的な摩擦低減効果を示すため好ましい。
R4−Sz−R5 (3)
[B]成分の含有量が1質量%未満だと極圧剤としての充分な効果を得ることができず、20質量%を超えると潤滑油組成物の酸化安定性が低下する傾向がみられるため、それぞれ好ましくない。
表1に示す通りに各潤滑油組成物を調製した。基油の含有量は基油全量基準であり、添加剤の含有量は組成物全量基準である。各潤滑油組成物に対して、下記の試験を行い、その結果を表1に併記した。
なお、カルシウムサリシレートはカルシウム量が組成物全量基準で1000質量ppmになるように、硫黄系添加剤は硫黄量が組成物全量基準で1質量%になるように添加した。
各潤滑油組成物について、下記の加工条件にて標準油に対するタッピングエネルギー効率Eを測定し、この試験による切削性能評価を行った。
・被削材:S25C
・工具径:8mm
・タップピッチ:1.25mm
・タップすくい角:10度
・タップ食いつき角:1.5度
・タップ下穴径:6.8mm
・回転数:360rpm
・加工数:1穴
・標準油:DIDA(アジピン酸ジイソデシル)
・供給油剤量:9.0ml/分
Claims (5)
- 式(1)中のR1が炭素数14〜18の直鎖または分枝のアルキル基であることを特徴とする請求項1に記載の金属加工用潤滑油組成物。
- ポリサルファイドが一般式(3)で示される化合物であることを特徴とする請求項1〜3のいずれかに記載の金属加工用潤滑油組成物。
R4−Sz−R5 (3)
(式中、R4およびR5は、それぞれ個別に炭素数4〜16の直鎖または分枝のアルキル基を示す。zは2〜8の正の数を示す。) - 切削加工用であることを特徴とする請求項1〜4のいずれかに記載の金属加工用潤滑油組成物。
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JPH09125084A (ja) * | 1995-11-06 | 1997-05-13 | Nippon Oil Co Ltd | 切削加工油剤組成物 |
JP2002105476A (ja) * | 2000-09-27 | 2002-04-10 | Nippon Mitsubishi Oil Corp | 潤滑油組成物 |
JP2010180420A (ja) * | 2010-05-28 | 2010-08-19 | Jx Nippon Oil & Energy Corp | 潤滑油組成物 |
WO2014103244A1 (ja) * | 2012-12-27 | 2014-07-03 | Jx日鉱日石エネルギー株式会社 | クロスヘッド型ディーゼル機関用システム潤滑油組成物 |
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JPH09125084A (ja) * | 1995-11-06 | 1997-05-13 | Nippon Oil Co Ltd | 切削加工油剤組成物 |
JP2002105476A (ja) * | 2000-09-27 | 2002-04-10 | Nippon Mitsubishi Oil Corp | 潤滑油組成物 |
JP2010180420A (ja) * | 2010-05-28 | 2010-08-19 | Jx Nippon Oil & Energy Corp | 潤滑油組成物 |
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CN113302267A (zh) * | 2019-01-29 | 2021-08-24 | Dic株式会社 | 硫系极压剂和金属加工油 |
CN113302267B (zh) * | 2019-01-29 | 2022-09-06 | Dic株式会社 | 硫系极压剂和金属加工油 |
US11767486B2 (en) | 2019-01-29 | 2023-09-26 | Dic Corporation | Sulfur-based extreme-pressure agent and metalworking fluid |
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