RU96109038A - COATINGS FOR METAL SURFACES CHEMICALLY INTERACTING WITH A SUBSTRATE - Google Patents

COATINGS FOR METAL SURFACES CHEMICALLY INTERACTING WITH A SUBSTRATE

Info

Publication number
RU96109038A
RU96109038A RU96109038/02A RU96109038A RU96109038A RU 96109038 A RU96109038 A RU 96109038A RU 96109038/02 A RU96109038/02 A RU 96109038/02A RU 96109038 A RU96109038 A RU 96109038A RU 96109038 A RU96109038 A RU 96109038A
Authority
RU
Russia
Prior art keywords
ppm
coating composition
ions
composition according
present
Prior art date
Application number
RU96109038/02A
Other languages
Russian (ru)
Other versions
RU2107746C1 (en
Inventor
Е.Томлинсон Чарльз
Original Assignee
Секл-Проско, Инк.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/137,583 external-priority patent/US5380374A/en
Application filed by Секл-Проско, Инк. filed Critical Секл-Проско, Инк.
Application granted granted Critical
Publication of RU2107746C1 publication Critical patent/RU2107746C1/en
Publication of RU96109038A publication Critical patent/RU96109038A/en

Links

Claims (27)

1. Водная композиция для покрытия сплавов алюминия, железа или магния, включающая: (a) от приблизительно 10 ppm до приблизительно 5000 ppm (из расчета на водную композицию) растворенных ионов металла IV группы, выбранного из группы, включающей титан, цирконий и гафний; (b) от приблизительно 80 ppm до приблизительно 1300 ppm (из расчета на водную композицию) ионов металла II группы, выбранного из группы, включающей магний и кальций; (с) от приблизительно 10 ppm до приблизительно 6000 ppm (из расчета на водную композицию) растворенных ионов фтора; (d) воду; причем значение рН указанной композиции заключается в интервале от приблизительно 2,0 до приблизительно 5,0.1. An aqueous composition for coating aluminum, iron or magnesium alloys, comprising: (a) from about 10 ppm to about 5000 ppm (based on the aqueous composition) of dissolved Group IV metal ions selected from the group consisting of titanium, zirconium and hafnium; (b) from about 80 ppm to about 1300 ppm (based on the aqueous composition) of Group II metal ions selected from the group consisting of magnesium and calcium; (c) from about 10 ppm to about 6000 ppm (based on the aqueous composition) of dissolved fluorine ions; (d) water; moreover, the pH value of the specified composition is in the range from about 2.0 to about 5.0. 2. Водная композиция по п.1, в которой металлом IV группы является цирконий. 2. The aqueous composition according to claim 1, in which the metal of group IV is zirconium. 3. Водная композиция по п.1, в которой металлом II группы является кальций. 3. The aqueous composition according to claim 1, in which the metal of group II is calcium. 4. Композиция покрытия по п.3, в которой указанные ионы кальция присутствуют в количестве от приблизительно 100 ppm до приблизительно 500 ppm (из расчета на водную композицию). 4. The coating composition according to claim 3, in which these calcium ions are present in an amount of from about 100 ppm to about 500 ppm (based on the aqueous composition). 5. Композиция покрытия по п.3, в которой указанные ионы кальция присутствуют в количестве от приблизительно 150 ppm до приблизительно 250 ppm (из расчета на водную композицию). 5. The coating composition according to claim 3, in which these calcium ions are present in an amount of from about 150 ppm to about 250 ppm (based on the aqueous composition). 6. Композиция покрытия по п.3, в которой указанные ионы циркония присутствуют в количестве от приблизительно 200 ppm до приблизительно 1000 ppm (из расчета на водную композицию). 6. The coating composition according to claim 3, in which these zirconium ions are present in an amount of from about 200 ppm to about 1000 ppm (based on the aqueous composition). 7. Композиция покрытия по п.3, в которой указанные ионы циркония присутствуют в количестве от приблизительно 200 ppm до приблизительно 400 ppm (из расчета на водную композицию). 7. The coating composition according to claim 3, in which these zirconium ions are present in an amount of from about 200 ppm to about 400 ppm (based on the aqueous composition). 8. Композиция покрытия по п.3, включающая также источник триполифосфатных ионов. 8. The coating composition according to claim 3, including also a source of tripolyphosphate ions. 9. Композиция покрытия по п.8, в которой указанным источником триполифосфатных ионов является триполифосфат натрия. 9. The coating composition of claim 8, in which the indicated source of tripolyphosphate ions is sodium tripolyphosphate. 10. Композиция покрытия по п.9, в которой указанные триполифосфатные ионы присутствуют в количестве от приблизительно 60 ppm до приблизительно 4400 ppm. 10. The coating composition of claim 9, wherein said tripolyphosphate ions are present in an amount of from about 60 ppm to about 4400 ppm. 11. Композиция покрытия по п.10, в которой указанные триполифосфатные ионы присутствуют в количестве от приблизительно 150 ppm до приблизительно 200 ppm. 11. The coating composition of claim 10, wherein said tripolyphosphate ions are present in an amount of from about 150 ppm to about 200 ppm. 12. Композиция покрытия по п.3, включающая также по меньшей мере приблизительно 10 ppm дубильной кислоты или растительного танина. 12. The coating composition according to claim 3, also comprising at least about 10 ppm of tannic acid or vegetable tannin. 13. Композиция покрытия по п.12, в которой указанная дубильная кислота или растительный танин присутствует в количестве от приблизительно 50 ppm до приблизительно 200 ppm. 13. The coating composition of claim 12, wherein said tannic acid or vegetable tannin is present in an amount of from about 50 ppm to about 200 ppm. 14. Композиция покрытия по п.3, включающая также изолирующий агент в количестве, эффективном для связывания по существу всех растворенных ионов железа, присутствующих в композиции. 14. The coating composition according to claim 3, including also an insulating agent in an amount effective to bind essentially all of the dissolved iron ions present in the composition. 15. Композиция покрытия по п.3, включающая также источник бора. 15. The coating composition according to claim 3, including also a source of boron. 16. Композиция покрытия по п.15, в которой указанный бор присутствует в количестве от приблизительно 10 ppm до приблизительно 200 ppm. 16. The coating composition of claim 15, wherein said boron is present in an amount of from about 10 ppm to about 200 ppm. 17. Композиция покрытия по п.16, в которой указанный бор присутствует в количестве от приблизительно 500 ppm до приблизительно 100 ppm. 17. The coating composition of claim 16, wherein said boron is present in an amount of from about 500 ppm to about 100 ppm. 18. Композиция покрытия по п.3, включающая также фосфатную соль в количестве, эффективном для обеспечения концентрации фосфата от приблизительно 10 ppm до приблизительно 600 ppm. 18. The coating composition according to claim 3, also comprising a phosphate salt in an amount effective to provide a phosphate concentration of from about 10 ppm to about 600 ppm. 19. Композиция покрытия по п. 18, в которой указанная фосфатная соль присутствует в количестве, эффективном для обеспечения концентрации фосфата от приблизительно 150 ppm до приблизительно 300 ppm. 19. The coating composition of claim 18, wherein said phosphate salt is present in an amount effective to provide a phosphate concentration of from about 150 ppm to about 300 ppm. 20. Композиция покрытия по п.3, содержащая также ионы цинка в концентрации от приблизительно 10 ppm до приблизительно 100 ppm. 20. The coating composition according to claim 3, also containing zinc ions in a concentration of from about 10 ppm to about 100 ppm. 21. Композиция покрытия по п.20, в которой указанные ионы цинка присутствуют в концентрации от приблизительно 20 ppm до приблизительно 30 ppm. 21. The coating composition of claim 20, wherein said zinc ions are present in a concentration of from about 20 ppm to about 30 ppm. 22. Композиция покрытия по п.3, значение рН которой заключается в пределах примерно 2,6 - 3,1. 22. The coating composition according to claim 3, the pH of which is in the range of about 2.6 to 3.1. 23. Композиция покрытия по п.3, включающая также агент кристаллической деформации. 23. The coating composition according to claim 3, including also a crystalline deformation agent. 24. Композиция покрытия по п.23, в которой указанным агентом кристаллической деформации является нитрилотрис (метилен) трифосфоновая кислота (АТМР). 24. The coating composition of claim 23, wherein said crystalline deformation agent is nitrilotris (methylene) triphosphonic acid (ATMMP). 25. Композиция покрытия по п.3, включающая также растворенные ионы алюминия в концентрации от приблизительно 10 до приблизительно 3000 ppm. 25. The coating composition according to claim 3, including also dissolved aluminum ions in a concentration of from about 10 to about 3000 ppm. 26. Композиция покрытия по п. 25, в которой указанный алюминий присутствует в концентрации от приблизительно 100 до приблизительно 600 ppm. 26. The coating composition of claim 25, wherein said aluminum is present in a concentration of from about 100 to about 600 ppm. 27. Способ обработки металла, включающий применение к металлу водной композиции покрытия, включающей (а) от приблизительно 10 ppm до приблизительно 5000 ppm (из расчета на водную композицию) растворенных ионов металла, выбранного из группы, состоящей из титана, циркония и гафния; (b) от приблизительно 80 ppm до приблизительно 1300 ppm (из расчета на водную композицию) растворенных ионов металла, выбранного из группы, состоящей из магния и кальция; (c) от приблизительно 10 ppm до приблизительно 6000 ppm (из расчета на водную композицию) растворенных ионов фтора; (d) воду; причем значение рН указанной композиции заключается в интервале от приблизительно 2,0 до приблизительно 5,0. 27. A metal processing method, comprising applying to a metal an aqueous coating composition comprising (a) from about 10 ppm to about 5000 ppm (based on the aqueous composition) of dissolved metal ions selected from the group consisting of titanium, zirconium and hafnium; (b) from about 80 ppm to about 1300 ppm (based on the aqueous composition) of dissolved metal ions selected from the group consisting of magnesium and calcium; (c) from about 10 ppm to about 6000 ppm (based on the aqueous composition) of dissolved fluorine ions; (d) water; moreover, the pH value of the specified composition is in the range from about 2.0 to about 5.0.
RU96109038A 1993-10-15 1994-10-14 Coatings for metal surfaces chemically interacting with base RU2107746C1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/137.583 1993-10-15
US08/137,583 1993-10-15
US08/137,583 US5380374A (en) 1993-10-15 1993-10-15 Conversion coatings for metal surfaces
PCT/US1994/011684 WO1995010641A1 (en) 1993-10-15 1994-10-14 Conversion coatings for metal surfaces

Publications (2)

Publication Number Publication Date
RU2107746C1 RU2107746C1 (en) 1998-03-27
RU96109038A true RU96109038A (en) 1998-06-20

Family

ID=22478115

Family Applications (1)

Application Number Title Priority Date Filing Date
RU96109038A RU2107746C1 (en) 1993-10-15 1994-10-14 Coatings for metal surfaces chemically interacting with base

Country Status (9)

Country Link
US (1) US5380374A (en)
EP (1) EP0723603A1 (en)
JP (1) JPH09503823A (en)
AU (1) AU7979594A (en)
BR (1) BR9407787A (en)
CA (1) CA2172367A1 (en)
CZ (1) CZ286674B6 (en)
RU (1) RU2107746C1 (en)
WO (1) WO1995010641A1 (en)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2828409B2 (en) * 1994-03-24 1998-11-25 日本パーカライジング株式会社 Surface treatment composition for aluminum-containing metal material and surface treatment method
EP0795044A4 (en) * 1995-01-10 1998-04-29 Circle Prosco Inc A process of coating metal surfaces to produce a highly hydrophilic, highly corrosion resistant surface with bioresistance and low odor impact characteristics
US6291020B1 (en) 1996-08-08 2001-09-18 Betzdearborn Inc. Composition and process for treating metal surfaces
US5759244A (en) * 1996-10-09 1998-06-02 Natural Coating Systems, Llc Chromate-free conversion coatings for metals
US6083309A (en) * 1996-10-09 2000-07-04 Natural Coating Systems, Llc Group IV-A protective films for solid surfaces
US5952049A (en) * 1996-10-09 1999-09-14 Natural Coating Systems, Llc Conversion coatings for metals using group IV-A metals in the presence of little or no fluoride and little or no chromium
US6592738B2 (en) 1997-01-31 2003-07-15 Elisha Holding Llc Electrolytic process for treating a conductive surface and products formed thereby
US6599643B2 (en) 1997-01-31 2003-07-29 Elisha Holding Llc Energy enhanced process for treating a conductive surface and products formed thereby
US6322687B1 (en) 1997-01-31 2001-11-27 Elisha Technologies Co Llc Electrolytic process for forming a mineral
CA2218983C (en) * 1997-10-21 2001-05-08 Mag R&D, Inc. Cathodic protective coating on magnesium or its alloys and method of producing the same
US5964928A (en) * 1998-03-12 1999-10-12 Natural Coating Systems, Llc Protective coatings for metals and other surfaces
JP4099307B2 (en) * 2000-04-20 2008-06-11 日本ペイント株式会社 Non-chromium anti-rust treatment agent for aluminum, anti-rust treatment method and anti-rust treated aluminum products
JP2002146549A (en) * 2000-11-14 2002-05-22 Kobe Steel Ltd Method for producing fin material made of aluminum and fin material made of aluminum produced by the method
TWI268965B (en) * 2001-06-15 2006-12-21 Nihon Parkerizing Treating solution for surface treatment of metal and surface treatment method
US6524403B1 (en) 2001-08-23 2003-02-25 Ian Bartlett Non-chrome passivation process for zinc and zinc alloys
JP5111701B2 (en) * 2001-09-11 2013-01-09 日本ペイント株式会社 Surface treatment method for aluminum or aluminum alloy
DE10150549A1 (en) * 2001-10-12 2003-04-17 Roche Diagnostics Gmbh Separation module, useful for the separation of corpuscles from blood, comprises two channels from a junction with a faster flow in one channel taking most of the particles, and a slower flow with few particles through the other channel
CN1306064C (en) 2001-12-04 2007-03-21 新日本制铁株式会社 Metal material coated with metal oxide and/or metal hydroxide and method for production thereof
JP4112219B2 (en) * 2001-12-07 2008-07-02 ミリオン化学株式会社 Surface treatment method for lithium-based magnesium alloy material
DE10163107C1 (en) * 2001-12-24 2003-07-10 Univ Hannover Magnesium workpiece and method for forming a corrosion-protective top layer of a magnesium workpiece
US20040188262A1 (en) * 2002-02-05 2004-09-30 Heimann Robert L. Method for treating metallic surfaces and products formed thereby
US6866896B2 (en) * 2002-02-05 2005-03-15 Elisha Holding Llc Method for treating metallic surfaces and products formed thereby
TW567242B (en) * 2002-03-05 2003-12-21 Nihon Parkerizing Treating liquid for surface treatment of aluminum or magnesium based metal and method of surface treatment
US7402214B2 (en) * 2002-04-29 2008-07-22 Ppg Industries Ohio, Inc. Conversion coatings including alkaline earth metal fluoride complexes
US6749694B2 (en) 2002-04-29 2004-06-15 Ppg Industries Ohio, Inc. Conversion coatings including alkaline earth metal fluoride complexes
US6805756B2 (en) * 2002-05-22 2004-10-19 Ppg Industries Ohio, Inc. Universal aqueous coating compositions for pretreating metal surfaces
EP1566467B1 (en) * 2002-11-25 2015-03-18 Toyo Seikan Kaisha, Ltd. Surface-treated metallic material, method of surface treating therefor and resin-coated metallic material, metal can and can lid
JP4205939B2 (en) * 2002-12-13 2009-01-07 日本パーカライジング株式会社 Metal surface treatment method
JP4526807B2 (en) * 2002-12-24 2010-08-18 日本ペイント株式会社 Pre-painting method
ES2316706T3 (en) 2002-12-24 2009-04-16 Chemetall Gmbh METHOD OF PRE-TREATMENT TO COVER.
JP4989842B2 (en) * 2002-12-24 2012-08-01 日本ペイント株式会社 Pre-painting method
JP2008184690A (en) * 2002-12-24 2008-08-14 Nippon Paint Co Ltd Pretreatment method for coating
JP4527992B2 (en) * 2003-04-03 2010-08-18 本田技研工業株式会社 Coating method for aluminum car body
US20040256030A1 (en) * 2003-06-20 2004-12-23 Xia Tang Corrosion resistant, chromate-free conversion coating for magnesium alloys
JP4344222B2 (en) * 2003-11-18 2009-10-14 新日本製鐵株式会社 Chemical conversion metal plate
US20080057336A1 (en) * 2004-06-22 2008-03-06 Toyo Seikan Kaisha, Ltd Surface-Treated Metal Materials, Method of Treating the Surfaces Thereof, Resin-Coated Metal Materials, Cans and Can Lids
FR2873718B1 (en) * 2004-07-28 2007-02-02 Pechiney Rhenalu Sa PROCESS FOR FORMING A CONVERSION LAYER ON AN ALUMINUM ALLOY PRODUCT FOR BREATHING
US20060151070A1 (en) * 2005-01-12 2006-07-13 General Electric Company Rinsable metal pretreatment methods and compositions
CN100447301C (en) * 2006-06-06 2008-12-31 南昌大学 Magnesium alloy phosphate surface modified treatment process
JP4521010B2 (en) * 2007-04-09 2010-08-11 日本パーカライジング株式会社 Metal surface treatment agent, metal surface treatment method and surface treatment metal material
US8673091B2 (en) * 2007-08-03 2014-03-18 Ppg Industries Ohio, Inc Pretreatment compositions and methods for coating a metal substrate
US9574093B2 (en) * 2007-09-28 2017-02-21 Ppg Industries Ohio, Inc. Methods for coating a metal substrate and related coated metal substrates
US8097093B2 (en) 2007-09-28 2012-01-17 Ppg Industries Ohio, Inc Methods for treating a ferrous metal substrate
US9428410B2 (en) 2007-09-28 2016-08-30 Ppg Industries Ohio, Inc. Methods for treating a ferrous metal substrate
TWI354713B (en) * 2007-12-03 2011-12-21 Ya Thai Chemical Co Ltd Chrome-free corrosion inhibitors and applications
CN101463474A (en) * 2007-12-19 2009-06-24 鸿富锦精密工业(深圳)有限公司 Magnesium alloy workpiece and magnesium alloy phosphating method
DE102008000600B4 (en) * 2008-03-11 2010-05-12 Chemetall Gmbh Process for coating metallic surfaces with a passivating agent, the passivating agent, the coating produced therewith and their use
JP5215043B2 (en) * 2008-06-02 2013-06-19 日本パーカライジング株式会社 Metal surface treatment liquid and surface treatment method
US8398838B2 (en) * 2008-10-10 2013-03-19 Wealtec Bioscience Co., Ltd. Technical measure for gel electrophoresis shaping
JP5462467B2 (en) * 2008-10-31 2014-04-02 日本パーカライジング株式会社 Chemical treatment solution for metal material and treatment method
US8282801B2 (en) * 2008-12-18 2012-10-09 Ppg Industries Ohio, Inc. Methods for passivating a metal substrate and related coated metal substrates
DE102009001372B4 (en) * 2009-03-06 2011-01-27 Chemetall Gmbh Process for coating metallic surfaces in a multistage process and use of the products coated by the process
US8486203B2 (en) * 2009-06-11 2013-07-16 Metalast International, Inc. Conversion coating and anodizing sealer with no chromium
US9347134B2 (en) 2010-06-04 2016-05-24 Prc-Desoto International, Inc. Corrosion resistant metallate compositions
US10017861B2 (en) 2011-08-03 2018-07-10 Ppg Industries Ohio, Inc. Zirconium pretreatment compositions containing a rare earth metal, associated methods for treating metal substrates, and related coated metal substrates
CN103153017A (en) * 2011-12-06 2013-06-12 神讯电脑(昆山)有限公司 Manufacturing method for magnesium aluminum alloy housing
KR101714292B1 (en) 2013-03-06 2017-03-08 피피지 인더스트리즈 오하이오 인코포레이티드 Methods for treating a ferrous metal substrate
US9273399B2 (en) 2013-03-15 2016-03-01 Ppg Industries Ohio, Inc. Pretreatment compositions and methods for coating a battery electrode
KR20180129983A (en) * 2013-03-16 2018-12-05 피알시-데소토 인터내쇼날, 인코포레이티드 Metal complexing agents as corrosion inhibitors
JP5657157B1 (en) * 2013-08-01 2015-01-21 関西ペイント株式会社 Multi-layer coating formation method
JP6530885B2 (en) * 2013-12-18 2019-06-12 東洋製罐株式会社 Surface-treated steel sheet, organic resin-coated metal container, and method for producing surface-treated steel sheet
KR102052828B1 (en) 2018-06-12 2019-12-05 김경원 Method for manufacturing mems capacitive microphone, and the mems capacitive microphone manufactured by the method

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1933013C3 (en) * 1969-06-28 1978-09-21 Gerhard Collardin Gmbh, 5000 Koeln Process for the production of protective layers on aluminum, iron and zinc by means of solutions containing complex fluorides
US3964936A (en) * 1974-01-02 1976-06-22 Amchem Products, Inc. Coating solution for metal surfaces
US4148670A (en) * 1976-04-05 1979-04-10 Amchem Products, Inc. Coating solution for metal surface
FR2417537A1 (en) * 1978-02-21 1979-09-14 Parker Ste Continentale COMPOSITION BASED ON HAFNIUM TO INHIBIT CORROSION OF METALS
DE2922115A1 (en) * 1979-05-31 1980-12-04 Collardin Gmbh Gerhard METHOD FOR PRODUCING CONVERSION LAYERS ON METAL SURFACES BY SPRAYING
US4313769A (en) * 1980-07-03 1982-02-02 Amchem Products, Inc. Coating solution for metal surfaces
US4273592A (en) * 1979-12-26 1981-06-16 Amchem Products, Inc. Coating solution for metal surfaces
US4277292A (en) * 1980-03-26 1981-07-07 Coral Chemical Company Ternary corrosion resistant coatings
US4370177A (en) * 1980-07-03 1983-01-25 Amchem Products, Inc. Coating solution for metal surfaces
US4470853A (en) * 1983-10-03 1984-09-11 Coral Chemical Company Coating compositions and method for the treatment of metal surfaces
US4617068A (en) * 1984-05-18 1986-10-14 Parker Chemical Company Composition and process for treatment of ferrous substrates
US4786336A (en) * 1985-03-08 1988-11-22 Amchem Products, Inc. Low temperature seal for anodized aluminum surfaces
US4816086A (en) * 1988-04-25 1989-03-28 Armstrong World Industries, Inc. Compositions useful in copper oxidation, and a method to prepare copper oxidation solutions
US4921552A (en) * 1988-05-03 1990-05-01 Betz Laboratories, Inc. Composition and method for non-chromate coating of aluminum
US4992116A (en) * 1989-04-21 1991-02-12 Henkel Corporation Method and composition for coating aluminum
US5139586A (en) * 1991-02-11 1992-08-18 Coral International, Inc. Coating composition and method for the treatment of formed metal surfaces
US5123978A (en) * 1991-03-19 1992-06-23 The United States Of America As Represented By The Secretary Of The Navy Corrosion resistant chromate conversion coatings for heat-treated aluminum alloys
WO1993005198A1 (en) * 1991-08-30 1993-03-18 Henkel Corporation Process for treating metal with aqueous acidic composition that is substantially free from chromium (vi)

Similar Documents

Publication Publication Date Title
RU96109038A (en) COATINGS FOR METAL SURFACES CHEMICALLY INTERACTING WITH A SUBSTRATE
BR9408073A (en) Anti-corrosion treatment of metal-coated steel with aluminum zinc or alloy coatings thereof
DK0723602T3 (en) Hydrophilic coatings for aluminum
ATE38397T1 (en) PROCEDURE FOR CONTROL OF A COMPOSITION FOR CLEANING AN ALUMINUM SURFACE.
CA2156501A1 (en) Non-Chrome Passivation for Metal Substrates
NO20015445L (en) Pre-treatment of aluminum surfaces with chromium-free solutions
CA2169263A1 (en) Composition and method for treatment of phosphated metal surfaces
AU7260896A (en) Chromium-free aluminum treatment
ATE38254T1 (en) METHOD OF TREATMENT OF METAL SURFACES.
ES8403530A1 (en) Composition and process for treating steel
AU730256B2 (en) Alkaline strip passivation
US5601663A (en) Process for forming a black oxide on aluminum alloys and a solution therefor
CA2252559A1 (en) Chromate passivating and storage stable concentrate solutions therefor
CA2329330A1 (en) Inorganic composition, process of preparation and method of use
CA2204620A1 (en) Treatment of aluminium or aluminium alloys
ES8406563A1 (en) Process for the treatment of metal surfaces, especially aluminium, aluminium alloy and steel ones, and aqueous bath solutions suitable therefor.
JPH01283386A (en) Metal surface treatment composition and formation of protective film
DE58902980D1 (en) METHOD FOR PHOSPHATING METAL SURFACES.
DE3571050D1 (en) Process for zinc phosphate coating, activation and grain refining bath used in this process and concentrate therefor
ATE221144T1 (en) CORROSION PROTECTION OF GALVANIZED AND ALLOY GALVANIZED STEEL STRIPS
FR2825378B1 (en) COMPOSITION AND METHOD FOR THE TREATMENT OF MAGNESIUM ALLOYS
JPS5739177A (en) Water soluble rust-resisting agent
SU1381196A1 (en) Composition for phosphate treatment of metal surface
SU1560621A1 (en) Method of applying protective coatings
JPS5794575A (en) Surface treating method for aluminum or its alloy