MIL-HDBK-509 Base Document:1998

1 SCOPE
1.1 Scope
2 REFERENCED DOCUMENTS
2.1 Government documents
2.2 Other publications
2.3 Order of precedence
3 DEFINITIONS
3.1 Source
3.2 Alkaline cleaner
3.3 Caustic dip
3.4 Chromate cleaning
3.5 Conversion coating
3.6 Deoxidizing
3.7 Etching
3.8 Water break
3.9 Recovered materials
3.10 Solid waste
4 GENERAL REQUIREMENTS
4.1 Aluminum surface treatment
4.1.1 Cleaning and treatment sequence
4.2 Cleaning and treating requirements
4.2.1 Processing of individual parts and welded assemblies
4.2.1.1 Nonwelded detail parts
4.2.1.2 Parts for resistance welded assemblies
4.2.1.3 Parts for fusion welded assemblies
4.2.1.4 Steel parts
4.2.2 Application of processes
4.2.2.1 Processing
4.2.2.2 Coverage
4.2.2.3 Welded assemblies
4.2.2.4 Operation details
4.2.3 Safety precautions
4.2.4 Recycled, virgin and reclaimed materials
5 DETAILED REQUIREMENTS
5.1 Aluminum surface treatment
5.1.1 Preclean
5.1.1.1 Contamination
5.2 Alkaline cleaning
5.2.2 Application and control
5.2.3 Alkaline cleaning bath maintenance
5.2.3.1 Ridoline 357 titration
5.2.3.2 Ridoline 357 replenishment
5.2.4 Equipment
5.2.4.1 Bath maintenance requirement
5.3 Post alkaline cleaner rinse
5.4 Deoxidizer
5.4.1 Deoxidizer bath make-up
5.4.2 Deoxidizer application and control
5.4.3 Amchem deoxidizer No 6-16 bath maintenance
5.4.3.1 Acid titration
5.4.3.2 Sulfuric acid bath replenishment
5.4.3.3 Deoxidizer titration
5.4.3.4 Replenishment of deoxidizer
5.4.3.5 Reaction product titration
5.4.3.5.1 Control of reaction products
5.4.3.5.2 Reaction products level
5.4.3.5.3 Operational notes
5.4.3.6 Equipment
5.5 Post deoxidizer rinse
5.6 Chromate chemical conversion coating
5.6.1 Alodine 12008 bath make-up
5.6.2 Alodine 12008 application and control points
5.6.3 Maintenance of chromate conversion bath
5.6.3.1 Alodine coating chemical titration
5.6.4 Replenishment of chromate conversion bath
5.6.5 Chromate conversion coating operational notes
5.6.5.1 Chromate conversion operation precautions
5.6.5.2 Continuous high volume operation
5.6.5.3 Conversion coating equipment
5.7 Post conversion coating equipment
5.8 Final acidulated rinse
5.8.1 Deoxylyte rinse make-up
5.8.2 Deoxylyte application and control
5.8.3 Maintenance of deoxylyte bath
5.8.3.1 pH adjustment of hard or alkaline water
5.8.3.2 Alkalinity titration
5.8.3.3 Hexavalent chromium titration
5.8.3.4 Correction factor
5.8.3.5 Calculation of hexavalent chromium titration
5.8.3.6 Deoxylyte recommendations and precautions
5.8.3.7 Final acidulated rinse equipment
5.9 Final acidulated rinse drying
5.10 Quality assurance provisions
6 NOTES
6.1 Intended use
6.2 Subject term (key word) listing
6.3 Supersession data

Gives the requirements for nonelectrolytic chemical surface treatment of aluminum and aluminum alloys before painting.