Product printing

1. When making a plate, you should consider making gold as dark as possible on a dark field version, such as red, blue, and black. This printed effect is better than that printed on white paper.

2. Some printed gold parts are backgrounds, and some are directly printed on white paper. When this happens, it is necessary to make adjustments when making plates. In this way, the metallic gloss of the layout can be kept consistent.

3. When printing, try to use a large area of ​​gold on paper with high smoothness, such as coated paper and glass cardboard. The brightness of the printed ink is good. Ordinary white paper, offset paper due to poor smoothness, strong absorption, can not show the metal gloss should be stored, should try to avoid large areas of gold printing.

4. When printing gold ink, the rubber roller should be soft and elastic, the surface of the rubber roller should be smooth and smooth, and the pressure of the rubber roller should be light.

5. Printing gold ink should be adjusted and printed now. It is best not to store the golden ink for more than 8 hours after storage to avoid losing the original metallic luster.

6. When printing large-area gold plates on the ground, the ink should be adjusted to be thinner, and the text and lines must be thicker. As for the extent of thinning, it depends on the specific circumstances of the print. The pressure must be greater than the use of the general ink, so that the printed golden light fastness is good.

7. The need to polish the print, you can first glazing, and then gold. In this way, the effect of gold printing is brighter than that of gold after first printing. (Zhang Jin) ("China Packaging News")