The coloring basis of automobile refinishing paint is to make a standard card according to "spectral color", find the color to be matched from the color card, or match the color according to the standard coating sample provided by the user. The specific steps are as follows:
(1) Accurately distinguish the color, firstly according to the color on the color plate, accurately distinguish the “hueâ€, “lightness†and “purity†under the standard light source condition, and determine the main color, background color and other necessary color and tone according to this. Positive color hue, "lightness", "purity" primary color.
(2) Correctly select the color materials. The ammonium requirements require the use of the tip type, the variety and the diluent and the auxiliary materials. The raw color materials with excellent performance and economy are selected for use.
(3) After adjusting the sample for a large amount of adjustment, in the case of no color matching equipment, the sample should be adjusted first, and the accuracy of the color ratio can be obtained, which lays a foundation for a large amount of modulation and waste reduction.
(4) The preparation steps and methods should be strictly in accordance with the principle of shallow and deep order, and the mixture should be fully stirred and evenly mixed.
(5) When the auxiliary materials are added, it is necessary to add the compatible varieties according to the strict proportions, and the appropriate amount is added to the uniformity at the appropriate time.
In particular, the color lacquer is wet and the color of the sample is solid, so the color of the lacquer should be slightly shallower than the sample structure, not too close, not too deep. It should be slightly lighter than the original color, so that the same color will be the same after the paint is dried, otherwise it will be too deep.
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