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Desiccants are usually divided into two types: food use and industrial use. Food use is environmentally friendly desiccant. What kind of desiccants are the eco-friendly desiccants? What are the characteristics? Next, let me share with you.
When quicklime comes into contact with water, it will release a large amount of heat, forming calcium hydroxide with strong alkalinity, that is, slaked lime. Slaked lime can corrode the digestive tract, causing damage to the mouth, esophagus, or stomach ulcers.
Calcium chloride desiccant is different from other common desiccants. Other desiccants will become lumps after absorbing moisture, while calcium chloride desiccant has gelling agent added to it, so that calcium chloride desiccant will become gel . If it turns into a gel, it can prevent the water absorbed by the desiccant from flowing out, and prevent the desiccant from damaging the article.
Food desiccant is widely used in daily life. After using it, it can avoid the problem of food being damp, and it can also avoid the appearance of bad products caused by the presence of extra moisture in food. The following are the main reasons why desiccant is used in food packaging.
The composition of an oxygen absorber varies depending on the intended use, the water activity of the product that it is intended to preserve, and some other factors. Typically, modern oxygen absorber packets use a mixture of iron powder and sodium chloride. However, it often includes activated carbon because it can absorb some other gases and organic molecules. This helps to preserve the food further and remove odors.
With the expansion of export trade, container desiccant has become popular. A small number of users feel that this is a useless product, so they will choose not to use it. So can we not use this product during transportation? Let me solve this question for you.
Desiccant is suitable for preventing moisture in instruments, electrical equipment, medicines, food, textiles and so on. Desiccant is also widely used during shipping, because items are often transported due to excessive temperature. High and thus deteriorated by moisture, at this time we need to use a desiccant that can effectively dehumidify and prevent moisture, so as to ensure the quality of the items.