When gold or silver ink is printed on coated paper or whiteboard paper with strong ink absorption, the phenomenon of imprinting may occur if the ink is not handled properly. When lightly rubbed, gold powder or silver powder will fall off. According to the analysis, it is the strong ink absorption of the coated paper, or the excessive red oil in the gold ink. Because when the golden ink is printed on the paper with strong absorption, the linking material in the gold ink penetrates into the interior of the paper, so that the film forming material in the ink is reduced, so that the gold powder accumulates on the surface of the paper and the print appears after printing. Insufficient phenomenon. Therefore, the following points should be noted when using gold ink.
1. Do not use excessive amounts of dry oil. Dry oil should be added flexibly according to factors such as climate and paper. Dry red oil has a strong surface film-forming property. If it is added too much, it may make the ink crust too fast, so that the imprinting cannot be really dry; in addition, the linking material is slowly and completely absorbed by the paper fibers.
2. In the preparation of gold ink, the ratio of gold powder and gold transfer oil should be determined depending on the actual situation, such as paper smoothness, evenness, ink absorption and so on. The gold transfer oil consists of phenolic resin, dry oil, mineral oil, and the like. The increase in the proportion of gold transfer oil will increase the overall liquidity and transferability of gold ink, but if the proportion of gold transfer oil is too large, it will reduce the gloss of gold ink; while increasing the amount of gold powder will make gold ink shine Increase, but inevitably will reduce the gold ink transfer performance.
Therefore, it is recommended that manufacturers add appropriate amount of gold oil or bright paste in gold ink, and control the amount of red and dry oil added to solve the problem of incomplete printing. After the re-modulated gold ink was printed on the machine, the ink layer easily peeled off. For coated paper with strong ink absorbency, it can be used to make a base, add a small amount of yellow or white ink to the ink, or print a layer of varnish after printing the ink. For paper with high smoothness, it can be solved by adding gold oil or bright paste.
From this we can see that mastering the relationship between paper and ink is very important for improving the quality of printed products.
Nail polish remover is a product specially designed to remove nail polish. It belongs to the nail polish category and can remove nail polish effectively and quickly.
The specific components are some organic matter, is the relationship between solute and solvent, just like in high school chemistry, iodine can dissolve in alcohol, benzene, carbon tetrachloride is the same. It has a similar structure and is prone to phase dissolution. In fact, you can rub a coat of nail polish on top of the nail polish and wipe it off with a paper.
How to remove the nail correctly First of all, we must choose regular manufacturers, mild and non-stimulating nail polish remover, preferably without acetone. Secondly, the amount of nail polish remover must be small. Especially when nail polish remover contains acetone, it will make the surface of the nail cuticle due to dry and become rough and fragile. When cleaning nail polish, simply saturate the cotton pad with nail polish remover in an area the size of a nail nail. Third, nail polish remover should not be used to swipe your nails. Especially those who wash nail effect is more significant products, use it to wipe the nail surface, will make the nail surface become dim, dull. Instead, press a cotton pad dampened with nail polish remover against your nails for 10 seconds, then gently rub it down from top to bottom, and the polish is mostly gone. If not, you can do it again.
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