GB/T 20504-2006
Anodizing of aluminium and its alloys. Visual determination of image clarity of anodic oxidation coatings. Chart scale method (English Version)

Standard No.

GB/T 20504-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 20504-2006

Scope

This standard specifies the method for visually measuring the image clarity of the surface of anodic oxide film by using strip chart and lightness chart. This standard applies only to smooth surfaces that reflect the image of the stripe.

GB/T 20504-2006 Referenced Document

• ISO/TR 8125:1984 Anodizing of aluminium and its alloys; Determination of colour and colour difference of coloured anodic coatings

GB/T 20504-2006 history

• 2006 GB/T 20504-2006 Anodizing of aluminium and its alloys. Visual determination of image clarity of anodic oxidation coatings. Chart scale method