CS270215B2 - Acid passivating bath containing trivalent chromium - Google Patents
Acid passivating bath containing trivalent chromium Download PDFInfo
- Publication number
- CS270215B2 CS270215B2 CS868297A CS829786A CS270215B2 CS 270215 B2 CS270215 B2 CS 270215B2 CS 868297 A CS868297 A CS 868297A CS 829786 A CS829786 A CS 829786A CS 270215 B2 CS270215 B2 CS 270215B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- fluoride
- nitrate
- chromium
- zinc
- trivalent chromium
- Prior art date
Links
- 239000011651 chromium Substances 0.000 title claims abstract description 15
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 11
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 239000002253 acid Substances 0.000 title description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 10
- 239000011701 zinc Substances 0.000 claims abstract description 10
- 229910002651 NO3 Inorganic materials 0.000 claims abstract description 7
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003054 catalyst Substances 0.000 claims abstract description 7
- 230000002378 acidificating effect Effects 0.000 claims abstract description 6
- 229910052793 cadmium Inorganic materials 0.000 claims abstract description 6
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910001297 Zn alloy Inorganic materials 0.000 claims abstract description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims abstract description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 3
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 3
- 150000001450 anions Chemical class 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims abstract description 3
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims abstract description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 3
- 239000010452 phosphate Substances 0.000 claims abstract description 3
- 238000002161 passivation Methods 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 150000001845 chromium compounds Chemical class 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 235000013024 sodium fluoride Nutrition 0.000 claims description 4
- 239000011775 sodium fluoride Substances 0.000 claims description 4
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 3
- 229910021555 Chromium Chloride Inorganic materials 0.000 claims description 3
- QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 claims description 3
- 235000010344 sodium nitrate Nutrition 0.000 claims description 3
- 239000004317 sodium nitrate Substances 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 2
- 229910001963 alkali metal nitrate Inorganic materials 0.000 claims description 2
- 229910001960 metal nitrate Inorganic materials 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 229910052783 alkali metal Inorganic materials 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- -1 formic acid Chemical compound 0.000 description 4
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 3
- 150000001340 alkali metals Chemical class 0.000 description 3
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001844 chromium Chemical class 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 201000004624 Dermatitis Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical class [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical class F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 240000007817 Olea europaea Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910001516 alkali metal iodide Inorganic materials 0.000 description 1
- 229940058344 antitrematodals organophosphorous compound Drugs 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- QZHPTGXQGDFGEN-UHFFFAOYSA-N chromene Chemical compound C1=CC=C2C=C[CH]OC2=C1 QZHPTGXQGDFGEN-UHFFFAOYSA-N 0.000 description 1
- KJKIXUGJRPCYTP-UHFFFAOYSA-N chromium hexahydrate Chemical class O.O.O.O.O.O.[Cr] KJKIXUGJRPCYTP-UHFFFAOYSA-N 0.000 description 1
- 229910001430 chromium ion Inorganic materials 0.000 description 1
- 229940117975 chromium trioxide Drugs 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N chromium trioxide Inorganic materials O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229940024464 emollients and protectives zinc product Drugs 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/10—Use of solutions containing trivalent chromium but free of hexavalent chromium
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Battery Electrode And Active Subsutance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3629008 | 1986-08-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CS829786A2 CS829786A2 (en) | 1989-10-13 |
CS270215B2 true CS270215B2 (en) | 1990-06-13 |
Family
ID=6308223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS868297A CS270215B2 (en) | 1986-08-27 | 1986-11-17 | Acid passivating bath containing trivalent chromium |
Country Status (12)
Country | Link |
---|---|
US (1) | US4705576A (fi) |
JP (1) | JPH0684547B2 (fi) |
KR (1) | KR910001775B1 (fi) |
AU (1) | AU585665B2 (fi) |
BR (1) | BR8605811A (fi) |
CA (1) | CA1286957C (fi) |
CS (1) | CS270215B2 (fi) |
FI (1) | FI80074C (fi) |
HU (1) | HU204902B (fi) |
MX (1) | MX163387B (fi) |
NO (1) | NO168953C (fi) |
ZA (1) | ZA868572B (fi) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3812076A1 (de) * | 1988-04-12 | 1989-10-26 | Elektro Brite Gmbh | Saures chrom-(iii)-haltiges und fluoridhaltiges passivierungsbad fuer oberflaechen aus zink, zinklegierungen und cadmium |
US7314671B1 (en) | 1996-04-19 | 2008-01-01 | Surtec International Gmbh | Chromium(VI)-free conversion layer and method for producing it |
DE19615664A1 (de) | 1996-04-19 | 1997-10-23 | Surtec Produkte Und Systeme Fu | Chrom(VI)freie Chromatschicht sowie Verfahren zu ihrer Herstellung |
US6149794A (en) | 1997-01-31 | 2000-11-21 | Elisha Technologies Co Llc | Method for cathodically treating an electrically conductive zinc surface |
US6322687B1 (en) | 1997-01-31 | 2001-11-27 | Elisha Technologies Co Llc | Electrolytic process for forming a mineral |
US6599643B2 (en) * | 1997-01-31 | 2003-07-29 | Elisha Holding Llc | Energy enhanced process for treating a conductive surface and products formed thereby |
US6592738B2 (en) | 1997-01-31 | 2003-07-15 | Elisha Holding Llc | Electrolytic process for treating a conductive surface and products formed thereby |
JP2000017451A (ja) * | 1998-07-02 | 2000-01-18 | Nippon Hyomen Kagaku Kk | 保護皮膜形成鋼板、その製造方法及び保護皮膜形成用組成物 |
DE60000519T2 (de) | 1999-02-25 | 2003-01-30 | Ngk Spark Plug Co | Glühkerze und Zündkerze, und ihr Herstellungsverfahren |
AU2003209010A1 (en) * | 2002-02-05 | 2003-09-02 | Elisha Holding Llc | Method for treating metallic surfaces and products formed thereby |
WO2004072325A1 (en) * | 2003-02-07 | 2004-08-26 | Pavco, Inc. | Black trivalent chromium chromate conversion coating |
US7101469B2 (en) * | 2004-11-10 | 2006-09-05 | Atotech Deutschland Gmbh | Metal pieces and articles having improved corrosion resistance |
US20070243397A1 (en) * | 2006-04-17 | 2007-10-18 | Ludwig Robert J | Chromium(VI)-free, aqueous acidic chromium(III) conversion solutions |
US20110070429A1 (en) * | 2009-09-18 | 2011-03-24 | Thomas H. Rochester | Corrosion-resistant coating for active metals |
CN102140635B (zh) * | 2011-03-12 | 2013-06-05 | 蚌埠市钰诚五金工贸有限公司 | 一种金属表面预发黑处理方法 |
JP7399080B2 (ja) | 2017-05-12 | 2023-12-15 | ケメオン サーフェス テクノロジー, エルエルシー | pH安定な三価クロムコーティング液 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2563431A (en) * | 1951-08-07 | Method of improving the resistance | ||
JPS5818435B2 (ja) * | 1979-03-23 | 1983-04-13 | 日本パ−カライジング株式会社 | 亜鉛又は亜鉛鍍金鋼板の表面処理方法 |
US4263059A (en) * | 1979-12-21 | 1981-04-21 | Rohco, Inc. | Coating solutions of trivalent chromium for coating zinc and cadmium surfaces |
DE3247729A1 (de) * | 1982-12-23 | 1984-07-05 | Gerhard Collardin GmbH, 5000 Köln | Verfahren zur behandlung von metalloberflaechen, insbesondere solchen von aluminium, aluminiumlegierungen und stahl, sowie hierfuer geeignete waessrige badloesungen |
-
1986
- 1986-10-30 NO NO864353A patent/NO168953C/no unknown
- 1986-11-03 US US06/926,918 patent/US4705576A/en not_active Expired - Fee Related
- 1986-11-03 FI FI864456A patent/FI80074C/fi not_active IP Right Cessation
- 1986-11-05 KR KR1019860009311A patent/KR910001775B1/ko not_active IP Right Cessation
- 1986-11-05 CA CA000522217A patent/CA1286957C/en not_active Expired - Lifetime
- 1986-11-07 AU AU64924/86A patent/AU585665B2/en not_active Ceased
- 1986-11-12 ZA ZA868572A patent/ZA868572B/xx unknown
- 1986-11-17 HU HU864739A patent/HU204902B/hu not_active IP Right Cessation
- 1986-11-17 CS CS868297A patent/CS270215B2/cs unknown
- 1986-11-27 BR BR8605811A patent/BR8605811A/pt not_active IP Right Cessation
- 1986-12-20 JP JP61302873A patent/JPH0684547B2/ja not_active Expired - Fee Related
- 1986-12-29 MX MX4807A patent/MX163387B/es unknown
Also Published As
Publication number | Publication date |
---|---|
US4705576A (en) | 1987-11-10 |
NO864353D0 (no) | 1986-10-30 |
NO168953C (no) | 1992-04-22 |
FI80074B (fi) | 1989-12-29 |
CS829786A2 (en) | 1989-10-13 |
FI864456A0 (fi) | 1986-11-03 |
HU204902B (en) | 1992-02-28 |
JPH0684547B2 (ja) | 1994-10-26 |
KR910001775B1 (ko) | 1991-03-23 |
AU585665B2 (en) | 1989-06-22 |
FI80074C (fi) | 1990-04-10 |
HUT44807A (en) | 1988-04-28 |
KR880003025A (ko) | 1988-05-13 |
CA1286957C (en) | 1991-07-30 |
ZA868572B (en) | 1987-09-30 |
FI864456A (fi) | 1988-02-28 |
NO168953B (no) | 1992-01-13 |
MX163387B (es) | 1992-05-07 |
AU6492486A (en) | 1988-03-03 |
JPS6357782A (ja) | 1988-03-12 |
BR8605811A (pt) | 1988-04-26 |
NO864353L (no) | 1988-02-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CS270215B2 (en) | Acid passivating bath containing trivalent chromium | |
US4171231A (en) | Coating solutions of trivalent chromium for coating zinc surfaces | |
KR100627029B1 (ko) | 아연 및 아연 합금 도금 상에 흑색의 6가 크롬 비함유화성 피막을 형성하기 위한 처리 용액, 및 아연 및 아연합금 도금 상에 흑색의 6가 크롬 비함유 화성 피막을형성하는 방법 | |
CA1098253A (en) | Zirconium/titanium coating solution for aluminum surfaces | |
US7914627B2 (en) | Processing solution for forming hexavalent chromium free and corrosion resistant conversion film on zinc or zinc alloy plating layers, hexavalent chromium free and corrosion resistant conversion film, method for forming the same | |
JP5914949B2 (ja) | 3価クロム耐食性化成皮膜及び3価クロム化成処理溶液 | |
JP2806531B2 (ja) | 鉄又は鉄合金材料の表面処理用リン酸亜鉛系水溶液及び処理方法 | |
US4233088A (en) | Phosphatization of steel surfaces and metal-coated surfaces | |
JP2680618B2 (ja) | 金属のりん酸塩処理方法 | |
JP3063920B2 (ja) | リン酸塩で金属表面を処理する方法 | |
US20110024001A1 (en) | Zirconium-Vanadium Conversion Coating Compositions For Ferrous Metals And A Method For Providing Conversion Coatings | |
WO2005068683A1 (fr) | Solution de passivation sans chrome | |
US20090178734A1 (en) | Processing solution for forming hexavalent chromium free, black conversion film on zinc or zinc alloy plating layers, and method for forming hexavalent chromium free, black conversion film on zinc or zinc alloy plating layers | |
EP0038122A1 (en) | Forming corrosion-resistant coatings upon the surfaces of metals, especially zinc | |
JP2003166075A (ja) | 亜鉛及び亜鉛合金めっき上に六価クロムフリー防錆皮膜を形成するための処理溶液、六価クロムフリー防錆皮膜及びその形成方法。 | |
US4600447A (en) | After-passivation of phosphated metal surfaces | |
JPH09202977A (ja) | Al及び又はZnを不働態化する組成物及び処理方法 | |
JPS63157879A (ja) | 金属表面にリン酸塩皮膜を形成する方法 | |
CA1090237A (en) | Treatment of zinc surfaces | |
GB1590597A (en) | Treating a1 or a1 alloy surfaces | |
CA1300989C (en) | Corrosion resistant coating | |
US2314887A (en) | Method of coating metal and material | |
JPH0713300B2 (ja) | シクロデキストリン/テルル組成物を使用する金属表面にテルル含有被膜を塗布するための改良方法 | |
CN87100849A (zh) | 用于锌或镉表面的含酸性铬的涂覆液 | |
CA2303101A1 (en) | Chromate treatment or postpassivation with stabilised solutions based on cr (iii)/(vi) |