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Formulation design system of water-based coatings - defoaming agent and anti-foaming agent 1
- 2020-02-21 17:52:50
- admin
Defoamer is one of the most difficult additives in waterborne wood coatings to control the balance between defoaming and leveling.The paint liquid will generate bubbles during the application due to agitation .If the bubbles present in the paint are not removed in time, the film will dry and form an unacceptable flaw.The paint also produces air bubbles during production, pumping and filling. Defoa...
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Self-adhesive printing process
- 2024-01-25 17:38:58
- admin
First, the choice of self-adhesive printing raw materials When selecting raw materials, we must choose high-quality self-adhesive materials with qualified physical and chemical indexes, rather than products with expired or unstable physical and chemical indexes. Although the latter price is low, but due to the unstable quality of such materials, large consumption in each process, and even lead to ...
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The main components and classification of water-based ink
- 2024-05-09 17:04:52
- admin
Water-based ink is referred to as ink, and flexible water-based ink is also known as liquid ink, which is mainly made of water-soluble resins, organic pigments, solvents and related additives by composite grinding processing. Water-based ink is especially suitable for tobacco, wine, food, beverages, medicines, children's toys and other packaging and printing products with strict sanitary condition...
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In practical printing, what are the factors of print color bias?
- 2024-07-04 16:52:19
- admin
1.Ink The three primary color inks have different degrees of color bias, which will affect the color bias of the whole picture to different degrees. However, a small amount of color bias can be corrected from the ink preparation. When printing to grasp the gray balance of the ink used, the same amount of yellow, product, green do not produce neutral gray, they produce lighter, more turbidity with ...
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Characteristics of paper varnish
- 2025-04-24 11:45:28
- admin
The characteristics of paper varnish mainly include the following aspects: Fast curing speed The curing speed of paper varnish is extremely fast. Especially when using UV technology, the curing process can be completed within a few seconds to a few minutes, making it suitable for high-speed printing and multi-color printing. Excellent environmental protection performance Many modern paper varnish ...