Types of food desiccant: quicklime desiccant, silica gel desiccant, montmorillonite desiccant, calcium chloride desiccant, fiber desiccant. Their detailed information and corresponding pictures are as follows:

1, quicklime desiccant:

The main ingredient of quicklime desiccant is calcium oxide, and its water-absorbing ability is realized through chemical reaction, so the water absorption is irreversible. No matter how high or low the humidity of the external environment is, it can keep the moisture absorption capacity greater than 35% of its own weight, more suitable for low temperature preservation, with excellent drying and moisture absorption effect, and the price is low. It can be widely used in food, clothing, tea, shoes, electrical appliances and other industries.

2, silica gel desiccant:

Silica gel desiccant is permeable sachet packaging of different varieties of silica gel, the main raw material silica gel is a high microporous structure of the water-containing silicon dioxide, non-toxic, tasteless, odorless, chemically stable, with a strong moisture-absorbent properties. Therefore, it is widely used in instruments, meters, equipment and apparatus, leather, bags, shoes, textiles, food, medicine and other industries.

3, montmorillonite desiccant:

This desiccant is made of pure natural raw material bentonite, which is green, non-toxic and tasteless. It has good adsorption performance at room temperature and general humidity, with adsorption activity, static damping and odor removal and other effects. Not only adsorption speed, high adsorption capacity, and non-toxic, tasteless, no contact corrosive, no environmental pollution, often used in food packaging.

4, calcium chloride desiccant:

Calcium chloride desiccant is the main raw material of calcium chloride, is the use of high-quality calcium carbonate and hydrochloric acid as raw materials, through the reaction and synthesis, filtration, evaporation and concentration, drying and other processes refined. White porous block, granular or honeycomb solid, slightly bitter taste, odorless, colorless aqueous solution, mainly used in inorganic chemical production of various other calcium salts as raw materials, but also used for gas desiccant.

5, fiber desiccant:

Fiber desiccant is made of pure natural plant fiber refined by special technology. Among them, especially the laminated fiber desiccant sheet is convenient and practical and does not occupy space. Its moisture-absorbing capacity reaches 100% of its own weight, which is incomparable to ordinary desiccant. In addition, the product is safe and hygienic, and the price is moderate, which is the ideal choice for many biological products.

Reference: Baidu Encyclopedia-Food Desiccant