It is normal for Stenter manufacturers to foam. The usual method is to go to the ink store to buy a cartridge of defoamer and add it. If the liquid is good, add some more and use it, and if there are bubbles, just add some, until there is no or normal printing stops. There is no trouble finding a balance. It can also add ink and green oil, but the effect of a single ink is not obvious. It can also be used for dishwashing at home, and detergent can also be used. It not only does not foam but also defoams. This is my own research. , Can replace defoamer, as to why this can be used, I don't understand.

If the water-based ink of the screen printing machine manufacturer has a peculiar smell, it is because the ink dries too slowly. You have to make sure that you have used too much slow-drying agent. Excessive use of slow-drying agent will cause the ink to have peculiar smell. Refers to the color change under certain external heating conditions. It can be divided into two types: one type is plastic, that is, the ink color can be restored once the heat source that causes thermal discoloration is removed; the other type is not plastic, that is, the ink color cannot be recovered after the heat source is removed.

Flat Screen Printing Machine manufacturers produce special images or logo plates according to customers' requests, and use thermochromic inks to print them to the hidden part of the package, or any designated position. When verifying the authenticity of the product, use a heat source with a certain temperature, such as a lighter, a match, a cup filled with boiling water, a hot hair dryer, etc., for baking. The hidden markings will immediately undergo obvious color changes, and hidden marks will also appear one after another, which can be sensitive Photochromic inks can be divided into two categories to determine the authenticity of the products: the first category is the general type, which means that the color of the ink changes from dark to light or light to dark, and color changes under ordinary sunlight and intense lighting effects. It is colorless, or colorless becomes colored.