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After the coating is applied, there is a flowing and drying film forming process, and then a flat, smooth and uniform coating film is gradually formed. Whether the coating film can achieve flatness an......
2019-11-281. Acrylic emulsion itself is easily stinky. After opening the package, it will be more stinky when contacted with raw water. You can add a fungicide. If it smells like a rotten egg, add it before it ......
2019-11-271. Try a defoamer for the printing glue industry. 2. The thixotropic point needs defoaming and defoaming. Otherwise there are a lot of microbubbles. 3. Try a special defoamer for printing paste 4. ......
2019-11-27The dryness of the ink is an important technical indicator. In addition to the drying speed of the ink, it is also related to the printing speed, the drying capacity of the drying equipment and the pe......
2019-11-27The thickness of the ink refers to the degree to which solid powdery substances such as pigments and fillers mixed in the connecting section are dispersed. The thickness of the ink is also an impor......
2019-11-27The binder used in ink is mainly alkali-soluble acid resin, so the control of pH value is very important. Generally, the pH value should be controlled at 8.5 to 9.5. At this time, the printing perform......
2019-11-27In China, since flexographic printing has only emerged in recent years, when controlling ink and wash, printing workers either use inertial thinking or do not know where to start. The result is often ......
2019-11-271. Light-colored inks can be divided into three types: ① Dilution ink mainly based on dissolving agent: it has certain transparency and is suitable for multi-color overprinting of ink. ② Matting ink......
2019-11-271. Ink toning foundation Basic color ink Basic color inks are divided into three categories according to different mixing methods: primary color inks, standard inter-color inks, and standard multi-c......
2019-11-273.Relationship between molecular weight and dispersion performance and compatibility The molecular weight of the polymer-type wetting and dispersing agent must be within a reasonable range. If the mo......
2019-11-27Generally speaking, compared to inorganic pigments, organic pigments have the characteristics of smaller particle size, larger surface area, and lower polarity; while carbon black is an inorganic subs......
2019-11-27First of all, what is a silicone-free shampoo? Broadly speaking, shampoo ingredients do not contain the "silicone oil" component (eg polydimethylsiloxane, dimethiconol, ammonia-terminated polydimethy......
2019-07-30First of all, what is a silicone-free shampoo? Broadly speaking, shampoo ingredients do not contain the "silicone oil" component (eg polydimethylsiloxane, dimethiconol, ammonia-terminated polydimethy......
2019-07-30advantage: 1) Wide application: Due to the special chemical structure of silicone oil, it is neither compatible with water or polar group-containing substances, nor compatible with hydrocarbons or ......
2019-07-30The main application fields of fumed silica are as follows: 1. HTV high temperature silicone rubber, such as silicone, the entire chain must be added with gas phase silica (su......
2019-07-30
