In general, the large importer of filter inlets should be small, or pumps with high pressure should be used. The latter is difficult to overcome in the counties and townships.
Q: Why does the sealed forty litre sand mill sent to a customer company appear gray after producing white ink?
A: This issue has been controversial in recent years, but in general it is the material of the ink grinder.
Q: Why is the ink on the printing plate not shaved if it is a gravure printing ink? How to deal with it?
Answer: The reason can be summed up in the following four points: First, the ink has a strong wetting effect on the rhodium plated surface of the printing plate. Second, the blade is dull or the angle is not correct. The third is the initial drying of the ink. Too slow; the surface of its four printing plates is rough; especially the high humidity along the coast, the rainy season, and the charged ink have affinity for the rhodium plated layer of the plate surface.
Removal methods are usually the following: increase the fast-drying solvent in the ink system; move the scraper down a little; increase the solvent ratio and reduce the viscosity of the ink; add a light remover; select a viscous resin as the binder for the ink; reduce the wetness Dispersant ratio.
Q: Which ink is more profitable to produce? What are the alcohol-soluble ink raw materials?
A: There is a large profit margin for the production of special or special inks, that is, high added value. Although it is difficult to produce alcohol-soluble or water-soluble inks, the profit is higher than that of traditional benzene-soluble inks.
There are many raw materials for alcohol-soluble ink, depending on the printing object. Such as cold-resistant polyurethane ink, usually 3010, PA-5844, etc., many Chinese and foreign manufacturers.
Q: How can ink be printed in the ink after printing? Water-based plastic woven bag ink how to deal with watermark after printing?
A: The ink system has a high slow-drying solvent excess, followed by ink intrusion of water or ink using a single solvent, etc. This problem occurs, and the appearance of water patterns after printing is the same as the reason and treatment of the above (above).
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