Improved Final Rinse for Zinc Phosphate Pretreatment Coatings

Abstract

In an effort to increase corrosion resistance of TT-C-490, Type 1, zinc phosphate pretreatments, a study was conducted on inhibitors added to the final rinse. Salt spray testing and tropical exposure studies indicated that a final rinse containing sodium chromate produced an increase in underfilm corrosion resistance with one coat paint systems.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1971
Accession Number
AD0721283

Entities

People

  • William H. Deaver

Tags

DTIC Thesaurus Topics

  • Acids
  • Chemical Laboratories
  • Coatings
  • Corrosion
  • Corrosion Inhibition
  • Corrosion Resistance
  • Films
  • Inhibitors
  • Materials
  • Organic Coatings
  • Phosphate Coatings
  • Photographs
  • Potassium
  • Potassium Dichromate
  • Potassium Permanganate
  • Substrates
  • Surface Properties

Fields of Study

  • Materials science

Readers

  • Surface Coatings Technology.