General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 16990-1997
Scope
This standard stipulates the method of using instrument measurement to evaluate whether the color depth on various textiles reaches 1/1 standard depth, and it is used as a supplement to the method of visually evaluating the standard depth. This method is only suitable for assessing 1/1 standard depth, not suitable for assessing other grades of standard depth.
GB/T 16990-1997 history
1997GB/T 16990-1997 Textiles--Tests for colour fastness--Instrumental determination of 1/1 standard depth of colour