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Page 1: Automotive Anodizing

Navigating the Navigating the Automotive Automotive

Specifications for Specifications for Aluminum Aluminum AnodizingAnodizing

AACOA, Inc.

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The Standard MakersThe Standard Makers

General MotorsFord Motor CompanyDaimlerChrysler CorporationJapanese Standards AssociationGerman StandardsEuropean Union Standards

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General Motors - General Motors - GM4472MGM4472M

Coating requirements dependent upon application “Type”: “Type” depends upon the following:

Finish: Clear or ColorUse: Functional or

DecorativeLocation: Exterior or Interior

Coating for each application type must pass some combination of the following tests: ADT, Weatherometer, Florida exposure, CASS,

Coating Thickness, Coating Mass (Weight)

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Ford Motor CompanyFord Motor Company

Specification Finish, ApplicationWSB-M4P9-B1 Clear, InteriorWSB-M4P9-B2 Clear, ExteriorWSB-M4P10-B1 Dyed, InteriorWSB-M4P11-B1 Electrolytic color,

Exterior

All specifications require the following tests: ADT, Weatherometer, Florida exposure, CASS,

Coating Thickness, Coating Mass (Weight)

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DaimlerChrysler DaimlerChrysler CorporationCorporation

Specifications dictate performance and process

Specification Finish, ApplicationPS-1576 Dyed, Interior/ExteriorPS-4905 Clear, ExteriorPS-5385 Clear, InteriorPS-6426 Clear, Interior/ExteriorPS-7362 Electrolytic color, Interior/Exterior

All specifications require the following tests: ADT, Coating thickness

Some specifications may require the following: Paint adhesion testing, UV light testing, or Gloss

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Japanese Standard-JIS H Japanese Standard-JIS H 86018601

Specification outlines process parameters as opposed to dictating them

Coatings identified as “Classes” based upon coating thickness: Interior parts - Classes AA5, AA6, or AA10 Exterior parts - Classes AA15, AA20, AA25

Testing requirements may include any of the following: UV testing, Coating thickness, ADT, Abrasion

resistance, CASS, Crazing, Gloss, Coating mass

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German Standard-DIN German Standard-DIN 1761117611

Coating types - Class 10 and Class 20 Class 10 - Interior, arid Class 20 - Exterior or Interior, humid

Specifies type of pretreatment Ground, brush, polish, etch, bright dip

Testing requirements may include any of the following: Coating thickness, dye stain, admittance,

ADT

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European Standard-EN European Standard-EN 1237312373

Specification contains 19 parts Part 1 - Method of specifying anodizing Parts 2-19 - Quality testing procedures

Specifies the following finishes: Clear and Bright Dip Color - Integral, Electrolytic, Dyed,

Combination, Interference Decorative and/or Protective Sealing methods

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Pretreatment specification similarto DIN 17611

Coating thickness testing required; purchaser may require any combination of the following performance tests: Coating mass, Dye stain, Admittance, ADT

(with and w/o acid pretreatment), UV light fastness, Abrasion resistance, Specular gloss, Reflectance, Crazing by deformation, Continuity, Electric breakdown potential, Pitting corrosion evaluation

European Standard-EN European Standard-EN 1237312373

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ADT TestingADT Testing

(W(W11-W-W22) x K x CT / (W) x K x CT / (W11-W-W33) = Rating (Maximum of 6.0)) = Rating (Maximum of 6.0)

WW11 = Weight of coupon (prior to testing) = Weight of coupon (prior to testing)

WW22 = Weight after ASTM B680 (prior to ASTM B137) = Weight after ASTM B680 (prior to ASTM B137)

WW33 = Weight after ASTM B137 = Weight after ASTM B137CT = Coating thickness (mils or microns)CT = Coating thickness (mils or microns)K = ConstantK = Constant

StandardStandard KK CTCT K x CT = ?K x CT = ?General MotorsGeneral Motors 7.87.8 µmµm 7.8 x 25.4=198.127.8 x 25.4=198.12Ford and ChryslerFord and Chrysler 200200 milsmils 200 x 1.00=200.00200 x 1.00=200.00

Japanese and European (including German) standards Japanese and European (including German) standards limit weight losslimit weight loss (W (W11-W-W22) to 1.935 mg/in) to 1.935 mg/in22 max. max.

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Standards/PPAP Standards/PPAP WebsitesWebsites

www.autoweb.netwww.autoweb.net

www.global.ihs.comwww.global.ihs.com

www.techsavvy.comwww.techsavvy.com

stinet.dtic.milstinet.dtic.mil

www.dscc.dla.milwww.dscc.dla.mil

www.document-center.comwww.document-center.com

www.lib.washington.edu/engineering/www.lib.washington.edu/engineering/standardsstandards

www.aiag.orgwww.aiag.org

www.sae.orgwww.sae.org

www.techstreet.comwww.techstreet.com

www.wssn.netwww.wssn.net

www.astm.orgwww.astm.org

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Documentationfor a PPAP

The Production Part Approval Process

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Required DocumentsInitial Process StudyQualified Laboratory DocumentationProcess Flow DiagramProcess Control PlanProcess FMEADimensional ResultsMaterial, Performance Test ResultsMeasurement Systems Analysis Study Part Submission WarrantAppearance Approval Report

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Initial Process Study

SPC charting and statistics for the following: Coating thickness Coating weight ADT rating

Charts include the following: X-Bar Range Control Moving average (subgroups with minimum of 4) Cpk

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Qualified Lab DocumentationQS/TS/ISO Documentation

Registration certification Process control plan

Laboratory Scope Tests for which lab is qualified to perform

Certification Statements Results from testing performed on

products/samples (in-house or outsourced)

Calibration records Any equipment used in quality assurance testing

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Refer to the HandoutsProcess Flow DiagramProcess Control PlanProcess FMEADimensional ResultsMaterial, Performance Test ResultsMeasurement Systems Analysis Study Part Submission WarrantAppearance Approval Report

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Thank youto the

Following

Aluminum Anodizers Council

AACOA, Inc.