Why do electronic products use Clay Desiccant?
Nowadays, electronic components are developing towards miniaturization, and the packaging is also gradually developing towards the price of icicalization. General electronic components are plastic packaging. But the disadvantages of plastic package is wet gas through the encapsulation materials and components of the joint surface to the interior of the device, on the one hand, due to internal short circuit, circuit of oxidation corrosion, on the other hand, in the process of electronic components assembly welding heat into the inside of the IC will get wet gas heat expansion produce enough pressure, cause the separation layer (take off), line stringing damage, chip damage, and internal crack. More serious cracks extend to the surface of the element, causing the components to bulge and burst. According to statistics, more than a quarter of the world's electronics industry and other industrial manufacturing industries produce bad products and waste products caused by humid air.
The electronic components of finished products will also be damaged during storage. The production of electronic industrial products and the storage environment of the products should be below 40%. Some varieties of electronic components require lower humidity. Therefore, the Clay Desiccant is indispensable in the packaging of electronic components. Clay Desiccant is a good helper for the electronic products. The moisture absorption rate in a low humidity environment is higher than that of silica gel. Can better protect your electronic products.
The industrial grade calcium chloride is characterized by hot water and low freezing point, usually used as a road, highway, parking lot, wharf melting and de-icing. And have the function of absorbing water strong, still can make clay desicant. The food grade calcium chloride is mainly used for food processing stabilizer, thickener, moisture absorbent and taste modifier. According to the national calcium chloride production, industrial calcium chloride products are mainly produced by the production of alkali waste liquid. The products of food and medicine grade calcium chloride are mainly produced by limestone process of hydrochloric acid.
1. Clay Desiccant Different form of calcium chloride production process:
Powdery calcium chloride is prepared by spray drying. Easy adhesion after dust suction on equipment, plant and personnel, and even harm the normal operation and staff's health, and calcium chloride powder hygroscopicity strong, when use easy to absorb moisture in the air and corrosive. The flake calcium chloride is the cooling crystallization of liquid calcium chloride, drying and dehydration. This process has a large labor intensity, low recovery rate, high water content and high impurities, and the shape of products is irregular, which is not conducive to the packaging, transportation and use of the products. Granular calcium chloride close to spherical shape, when using a certain liquid, package transportation is convenient, so widely welcomed by the market, and market prices higher than calcium chloride powder, block, market demand is big, in short supply. The production process of spherical calcium chloride is mainly fluidized bed, high tower and spray ball.
2.Clay Desiccant Industrial grade calcium chloride production process:
The domestic industrial calcium chloride production industry is mainly concentrated in the eastern coastal areas and rivers, zhejiang and guangdong provinces. The eastern coastal area USES sea salt as raw material, Clay Desiccant the ammonia alkali method is used to produce the pure alkali, and the alkali waste liquid is used to recycle the calcium chloride product, which is the main raw material of the domestic calcium chloride product.
There are two kinds of calcium chloride process for the production of calcium chloride based on pure alkali waste.
Clay Desiccant direct evaporation process. In general, the density of pure alkali waste liquid is 1.12 g/cm3 ~ 1.13 g/cm3, and the CaCl2 content is 76. 8 g/L, the NaCl content is 42.9 g/L, and it also contains a small amount of calcium hydroxide, gypsum, ammonium salt and suspension impurities. After purification treatment, the use of multi-effect titanium plate evaporator is enriched, when the concentration of calcium chloride reaches 40%, the crystallization of sodium chloride is crystallized, and the solid phase preparation of refined industrial salt is prepared by the separation of efficient salt. After the separation of sodium chloride calcium chloride solution mass concentration of 45% ~ 50%, the density is about 1.45 g/cm3, lift to continue improving fast thick film evaporator, stay around 50% calcium chloride concentration, build or granulation and drying made two water or anhydrous calcium chloride products.