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Wuxi Dingfeng pressure vessel Co., Ltd. specializes in manufacturing electric heating reactor and stainless steel reactor
China chemical equipment manufacturer
With the third class pressure vessel manufacturing license
Special equipment manufacturing license No.: ts2210836-2020
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  • seventeen billion three hundred and fifty-one million six hundred and eighty-eight thousand eight hundred and fifty-eight
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Application of stainless steel reactor in coating industry

At present, the coatings used in the society form a film on various workpieces of pharmaceutical equipment, which is porous at room temperature. It seems that the coating can not be isolated from the air medium and can not provide protection. When the coating reaches a certain temperature in the process of use, it will automatically block the pores by sintering and form a dense protective film. The plugging material is the glass in the formula, which is formed by the solid-state reaction kettle at high temperature. So it's important to add glass forming substances to the formula. Silica (quartz) is very easy to react with alkali to form glass, so in our formula, silica is one of the basic components. In fact, as long as quartz powder and water glass both, can be matched into a protective coating.
The formulation, process and properties of the coating are introduced below. These two formulations, which are based on quartz powder and sodium silicate, are simple in composition, low in cost and have considerable protective properties. The formula of the coating is: 100g silica, 5g alumina, 25g sodium silicate (Reagent) and 40g water. The white coating is obtained by mixing the above materials in a ball mill with a specific gravity of 1.7 g / cm3. 0.05-0.1 mm thick coating is sprayed on the oil-free and rust-free pressure vessel steel plate. The coating will peel off automatically after heat treatment and quenching, while the metal surface remains bright and smooth.
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