General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 5211.17-1988
Scope
This standard specifies a general test method for comparing the contrast ratio (hiding power) of similar white pigments. When this general method is not applicable to a specific product, a special method shall be specified for comparison of contrast ratios.
GB/T 5211.17-1988 history
1988GB/T 5211.17-1988 Comparison of contrast ratio (hiding power) of white pigments