QB/T 3825-1999
Testing method of the white chromatic conversion coatings existance and the corrosion resistance of the zinc deposits for the light industrial products (English Version)

Standard No.

QB/T 3825-1999

Language

Chinese, Available in English version

Release Date

1986

Published By

Professional Standard - Light Industry

Latest

QB/T 3825-1999

Scope

This method is an assessment test for galvanized passivation film.

QB/T 3825-1999 history

• 1986 QB/T 3825-1999 Testing method of the white chromatic conversion coatings existance and the corrosion resistance of the zinc deposits for the light industrial products