ES2149570T3 - Fosfatado al cinc con bajo contenido en cobre y manganeso. - Google Patents

Fosfatado al cinc con bajo contenido en cobre y manganeso.

Info

Publication number
ES2149570T3
ES2149570T3 ES97902356T ES97902356T ES2149570T3 ES 2149570 T3 ES2149570 T3 ES 2149570T3 ES 97902356 T ES97902356 T ES 97902356T ES 97902356 T ES97902356 T ES 97902356T ES 2149570 T3 ES2149570 T3 ES 2149570T3
Authority
ES
Spain
Prior art keywords
zinc
zinc phosphate
manganese content
ions
low copper
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES97902356T
Other languages
English (en)
Inventor
Karl-Dieter Brands
Jurgen Geke
Peter Kuhm
Bernd Mayer
Karl-Heinz Gottwald
Jan-Willem Brouwer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Application granted granted Critical
Publication of ES2149570T3 publication Critical patent/ES2149570T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C23C22/82—After-treatment
    • C23C22/83—Chemical after-treatment
    • 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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates
    • C23C22/18—Orthophosphates containing manganese cations
    • 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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates
    • C23C22/18—Orthophosphates containing manganese cations
    • C23C22/186—Orthophosphates containing manganese cations containing also copper cations
    • 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
    • C23C22/36—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 containing also phosphates
    • 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
    • C23C22/36—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 containing also phosphates
    • C23C22/364—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 containing also phosphates containing also manganese cations
    • 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
    • C23C22/36—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 containing also phosphates
    • C23C22/364—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 containing also phosphates containing also manganese cations
    • C23C22/365—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 containing also phosphates containing also manganese cations containing also zinc and nickel cations

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)

Abstract

LA INVENCION TRATA DE UN PROCEDIMIENTO PARA LA FOSFATACION DE SUPERFICIES METALICAS DE ACERO, ACERO REVESTIDO DE CINC O REVESTIDO CON UNA ALEACION DE CINC Y/O ALUMINIO, EN EL QUE LAS SUPERFICIES METALICAS SON PUESTAS EN CONTACTO MEDIANTE PULVERIZACION O INMERSION DURANTE UN PERIODO DE TIEMPO DE ENTRE 3 SEGUNDOS Y 8 MINUTOS CON UNA SOLUCION FOSFATADA QUE CONTIENE DE 0,2 A 3 G/L DE IONES DE CINC, DE 3 A 50 G/L DE IONES DE FOSFATO, TODO ELLO CALCULADO COMO PO 4 , DE 1 A 150 MG/L DE IONES DE MANGANESO, DE 1 A 30 MG/L DE IONES DE COBRE Y UNO O VARIOS ACELERADORES.
ES97902356T 1996-02-19 1997-02-10 Fosfatado al cinc con bajo contenido en cobre y manganeso. Expired - Lifetime ES2149570T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19606017A DE19606017A1 (de) 1996-02-19 1996-02-19 Zinkphosphatierung mit geringen Gehalten an Kupfer und Mangan

Publications (1)

Publication Number Publication Date
ES2149570T3 true ES2149570T3 (es) 2000-11-01

Family

ID=7785748

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97902356T Expired - Lifetime ES2149570T3 (es) 1996-02-19 1997-02-10 Fosfatado al cinc con bajo contenido en cobre y manganeso.

Country Status (20)

Country Link
EP (1) EP0889977B1 (es)
KR (1) KR19990082154A (es)
CN (1) CN1064415C (es)
AR (1) AR005908A1 (es)
AT (1) ATE195769T1 (es)
AU (1) AU708141B2 (es)
BR (1) BR9707563A (es)
CA (1) CA2247141A1 (es)
CZ (1) CZ262498A3 (es)
DE (2) DE19606017A1 (es)
ES (1) ES2149570T3 (es)
HU (1) HUP9901001A3 (es)
ID (1) ID15964A (es)
MX (1) MX9806348A (es)
PL (1) PL327291A1 (es)
PT (1) PT889977E (es)
SK (1) SK112598A3 (es)
TR (1) TR199801606T2 (es)
WO (1) WO1997030190A1 (es)
ZA (1) ZA971375B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19700326A1 (de) * 1997-01-08 1998-07-09 Henkel Kgaa Stabilisatoren für Hydroxylamin in Kupfer-haltigen Phosphatierlösungen
US6720032B1 (en) 1997-09-10 2004-04-13 Henkel Kommanditgesellschaft Auf Aktien Pretreatment before painting of composite metal structures containing aluminum portions
DE19754109A1 (de) 1997-12-05 1999-06-10 Henkel Kgaa Abwasseraufbereitung bei der Phosphatierung
KR100784819B1 (ko) * 2007-01-30 2007-12-14 정세근 알루미늄의 표면처리용 조성물
DE102010001686A1 (de) 2010-02-09 2011-08-11 Henkel AG & Co. KGaA, 40589 Zusammensetzung für die alkalische Passivierung von Zinkoberflächen
ES2428290T3 (es) 2011-03-22 2013-11-06 Henkel Ag & Co. Kgaa Tratamiento anticorrosivo de varios pasos para componentes metálicos, que por lo menos parcialmente presentan superficies de cinc o de aleaciones de cinc
DE102016206417A1 (de) 2016-04-15 2017-10-19 Henkel Ag & Co. Kgaa Fördergestellbehandlung zur unterdrückung anlagenbedingter phosphatüberschleppung in einer prozessfolge zur tauchlackierung
CN109612978B (zh) * 2018-10-30 2022-02-25 欣旺达电子股份有限公司 锂离子电池电极膜片补锂量检测方法
CN112816399B (zh) * 2020-12-30 2023-06-20 盛明 车用钢板循环盐雾腐蚀试验用标准样品及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3090709A (en) * 1953-08-10 1963-05-21 Lubrizol Corp Phosphate coating of metals
IT975560B (it) * 1972-10-20 1974-08-10 Sec Accomandita Semplice Fosfa Procedimento di fosfatazione di su perfici metalliche destinate a ver niciatura particolarmente per elet troforesi e soluzione relativa a tale procedimento
US3895970A (en) * 1973-06-11 1975-07-22 Pennwalt Corp Sealing rinse for phosphate coatings of metal
DE4013483A1 (de) * 1990-04-27 1991-10-31 Metallgesellschaft Ag Verfahren zur phosphatierung von metalloberflaechen
DE4210513A1 (de) * 1992-03-31 1993-10-07 Henkel Kgaa Nickel-freie Phosphatierverfahren
US5328526A (en) * 1992-04-03 1994-07-12 Nippon Paint Co., Ltd. Method for zinc-phosphating metal surface
DE4214992A1 (de) * 1992-05-06 1993-11-11 Henkel Kgaa Kupfer enthaltendes, nickelfreies Phosphatierverfahren
DE4232292A1 (de) * 1992-09-28 1994-03-31 Henkel Kgaa Verfahren zum Phosphatieren von verzinkten Stahloberflächen
WO1994014999A1 (en) * 1992-12-22 1994-07-07 Henkel Corporation Substantially nickel-free phosphate conversion coating composition and process
JPH07278891A (ja) * 1994-04-12 1995-10-24 Nippon Parkerizing Co Ltd 金属材料の塗装前処理方法
ATE165874T1 (de) * 1994-05-27 1998-05-15 Herberts & Co Gmbh Verfahren zur beschichtung phosphatierter metallsubstrate

Also Published As

Publication number Publication date
BR9707563A (pt) 1999-07-27
CN1064415C (zh) 2001-04-11
WO1997030190A1 (de) 1997-08-21
AU708141B2 (en) 1999-07-29
AU1602397A (en) 1997-09-02
TR199801606T2 (xx) 1998-11-23
MX9806348A (es) 1998-10-31
CN1211289A (zh) 1999-03-17
AR005908A1 (es) 1999-07-21
ATE195769T1 (de) 2000-09-15
PL327291A1 (en) 1998-12-07
SK112598A3 (en) 1999-01-11
EP0889977A1 (de) 1999-01-13
DE59702240D1 (de) 2000-09-28
ZA971375B (en) 1997-08-19
EP0889977B1 (de) 2000-08-23
HUP9901001A3 (en) 2000-04-28
ID15964A (id) 1997-08-21
PT889977E (pt) 2001-01-31
KR19990082154A (ko) 1999-11-15
DE19606017A1 (de) 1997-08-21
HUP9901001A2 (hu) 1999-07-28
CA2247141A1 (en) 1997-08-21
CZ262498A3 (cs) 1999-01-13

Similar Documents

Publication Publication Date Title
MX156539A (es) Metodo mejorado para fosfatar una superficie metalica a base de hierro,zinc o combinaciones de estos metales
ES2149570T3 (es) Fosfatado al cinc con bajo contenido en cobre y manganeso.
ES508885A0 (es) Procedimiento para fosfatar superficies metalicas de hierro o acero.
ES2084054T3 (es) Composicion de concentrado liquido para preparar soluciones de fosfatacion que contienen manganeso.
WO2002070781A3 (de) Verfahren zum aufbringen eines phosphatüberzuges und verwendung der derart phosphatierten metallteile
MX159701A (es) Composicion mejorada para fosfatar superficies metalicas de hierro,acero y zinc
DE59206327D1 (de) Nickelfreie phosphatierverfahren
MX9704126A (es) Metodo para aplicar revestimientos de fosfato a superficies metalicas.
MY127460A (en) Improvements relating to potable water supply components.
AR009336A1 (es) Solucion acuosa y procedimiento para el fosfatado de superficies metalicas, y uso de dicha solucion acuosa
ATE373117T1 (de) Beschichtung metallischer oberflächen mit wassersoffperoxid und nitro-guanidin enthaltenden phosphatierungslösungen
AR015142A1 (es) Procedimiento de pasivado alcalino sobre una cinta continua y concentrado acuoso
ES540769A0 (es) Procedimiento para la fosfatacion de superficies metalicas atemperatura de tratamiento baja
AR005909A1 (es) Fosfatizado con zinc y bajos contenidos de niquel y cobalto
PL342623A1 (en) Aqueous solutions and method of phosphatising metallic surfaces
WO1998013534A3 (de) Verfahren zur phosphatierung von stahlband
IT1274594B (it) Soluzione fosfatica acquosa acida e processo di fosfatazione di superfici metalliche che la utilizza
ES2092983T3 (es) Procedimiento para fosfatar con zinc una superficie metalica.
ES2042199T3 (es) Procedimiento para la fabricacion de recubrimientos de fosfato para superficies metalicas.
WO2001038605A3 (de) Verfahren zur phosphatierung mit metallhaltiger nachspülung
AR026680A1 (es) Procedimiento para el pretratamiento de superficies de acero zincado y/o aliminio y/o aleaciones constituidas por a lo menos 50% en peso de hierro, zinc oaluminio
AU2669400A (en) Method for phosphatizing zinc or aluminium surfaces
AR025396A1 (es) Procedimiento para la fosfatizacion de superficies metalicas de acero, de acero zincado o aleaciones de zinc, de aluminio y/o de aleaciones de aluminio
AR000711A1 (es) Solucion fosfatizante de zinc, acuosa y acida, que contiene litio y un procedimiento para el fosfatizado de superficies de acero, acero zincado o deacero zincado con aleaciones conteniendo zinc, aluminio, acero aluminizado o aluminizado con aleaciones conteniendo aluminio.
WO1997016581A3 (de) Nitratarme, manganfreie zinkphosphatierung

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 889977

Country of ref document: ES