Shandong Laizhou Welfare Soap Alkali Co., Ltd. is a professional manufacturer of liquid and solid sodium silicate. The company's leading product, sodium sulphate, is used in a wide range of applications throughout the national economy. Today, I would like to introduce you to the different classifications of sodium silicate: sodium silicate is commonly known as water glass, liquid sodium silicate is a colorless, slightly colored transparent or translucent viscous liquid, solid sodium silicate is colorless, slightly Color transparent or translucent glass block; morphology is divided into liquid, solid, water quenching; ordinary sodium silicate is a slightly light blue block or granular solid, slightly colored transparent after high temperature and high pressure dissolution Or translucent viscous liquid; sodium silicate is divided into two types, one is sodium metasilicate and the other is sodium orthosilicate.
Sodium metasilicate is a low molecular crystal prepared by the thermal reaction of common blistering alkali with caustic soda. The common ones in the market are anhydrous, sodium metasilicate pentahydrate and nonahydrate. The unique sodium silicate market in China is nine. Hydrate, because its melting point is only 42 ° C, it is easy to become liquid or paste when stored, is gradually being eliminated. Sodium orthosilicate is a colorless crystal. The water glass solution is alkaline due to hydrolysis, slightly stronger than soda ash. Because of the weak acid salt, hydrochloric acid, sulfuric acid, nitric acid and carbon dioxide can precipitate silicic acid. Enter and use a rubber stopper to prevent sticking of the ground glass stopper. In the industry, soda ash and quartz are commonly used to obtain Na2CO3+SiO2→Na2SiO3+CO2↑. Sodium silicate products are often light blue-green with ferrous salts, and are used as inorganic bonding agents or soap fillers to prepare acid-resistant concrete. After adding the pigment, it can be used as the paint for the exterior wall, and poured into the foundation soil of the ancient building to make the soil strong to prevent collapse.
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