Bureau of Indian Standards (BIS) · 1983
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Companion test-methods standard to IS 1868. Defines laboratory procedures for measuring anodic coating thickness (gravimetric and microscopic), assessing seal quality (dye-stain absorption and admittance), abrasion resistance, mass per unit area, and light-fastness on dyed coatings. Reaffirmed periodically. Used as the reference test method in BIS-certification audits of Indian anodizing plants.