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As we all know, silicone hoses are no longer as monotonous as before. There are many products on the market. In daily life, household items, neon light sleeves, sealing rings, silicone strips and so on have different colors. Therefore, many purchasing friends have doubts about the brightly colored silicone hoses, fearing various problems with their color quality. But for friends who are not very familiar with silicone products, do you know how silicone products are colored? Let’s take a look with the editor below.
The original silicone raw material is transparent, colorless and odorless, and is a highly active material with strong adsorption performance. It does not conflict with any substances except strong alkalis. However, since silicone raw materials must maintain various styles during the production process to provide more choices, silicone product manufacturers use color masterbatches to add various colors to them, so as to keep their appearance from being monotonous.
Silicone color masterbatch is formed by aggregating silicon raw materials, silicone oil, toner and dispersants. The reason why silicone color masterbatch is chosen to make the color of silicone products is that it has stable performance, high dispersion, uniform use on products, environmental protection, non-toxicity, no pollution, and no expiration during long-term storage. Many of its characteristics are similar to silicone raw materials. Color masterbatches can also be divided into many types, mainly organic color masterbatches and inorganic color masterbatches.
Silicone color masterbatch is an indispensable item for silicone product manufacturers. Its main process is used during the rubber mixing process. If no color masterbatch is added during the rubber mixing process, the mixed rubber will be transparent, and transparent silicone products will be obtained after molding and vulcanization. The color of silicone color masterbatch needs to be carefully adjusted to achieve good results, which is also an important technical work for silicone manufacturers. There can be thousands of colors, and it is the most difficult to prepare products with slightly different colors. When it is used with silicone raw materials, it is allocated according to the corresponding ratio, and with the cooperation of vulcanizing agent, the raw materials for making products can be obtained.
The selection of color masterbatch performance also affects the performance of a product. The common reasons for discoloration of silicone products are also related to the selection of color masterbatch. The selection of light resistance performance: strong light resistance can achieve no discoloration, which is generally divided into eight grades! Heat resistance performance: the better its heat resistance, the higher the dispersion force, and high dispersion force means that the color of the produced product is evenly distributed.