This standard stipulates that under certain lighting conditions, the observer can visually compare the color of the paint film sample with the color of the standard color card. A method of qualitatively evaluating the color difference between a sample and a standard color card. This standard is applicable to the assessment of paint film quality on agricultural and forestry tractors and machinery.
JB/T 9832.1-1999 history
1999JB/T 9832.1-1999 Tractors and machinery for agriculture and forestry.Visual comparison of the color of paints