1. Silica gel desiccant: The main component is silicon dioxide. Bai is a highly active adsorption material, which is purified and processed from natural minerals into granules or beads. As a desiccant, its microporous structure (average 2A.) has a good affinity for water molecules. The most suitable hygroscopic environment for silica gel is room temperature (20~32) and high humidity (60~90%). It can reduce the relative humidity of the environment to about 40%. Therefore, Shandong Xinhua silica gel desiccant has a wide range of applications. At the same time, the chemical composition and physical structure of silica gel determine that it has the characteristics that other similar materials are difficult to replace: high adsorption performance, good thermal stability, stable chemical properties, and high mechanical strength.
2. Clay desiccant (montmorillonite)-the appearance is a small gray ball, which is most suitable for absorbing moisture in an environment below 50°C. When the temperature is higher than 50℃, the degree of "water release" of clay is greater than the degree of "water absorption". But the advantage of clay lies in its low price. To
3. Molecular sieve desiccant-it is a synthetic desiccant product with strong adsorption to water molecules. The pore size of the molecular sieve can be controlled by the different processing technology. In addition to adsorbing water vapor, it can also adsorb other gases. In the case of high temperature above 230℃, it can still hold water molecules well. Advantages: strong adaptability. Disadvantages: low moisture absorption rate, poor environmental protection (non-degradable). To
4. Mineral desiccant-Hengyuan mineral desiccant is composed of several kinds of natural minerals, and the appearance is off-white small balls. It is non-toxic and harmless, and is a degradable environmentally friendly desiccant. The moisture absorption rate is more than 50%.
5. Calcium Chloride Desiccant
6. Fiber desiccant-Hengyuan fiber desiccant is made of pure natural plant fiber through special craftsmanship. Among them, the film-coated fiber desiccant sheet is convenient and practical, and does not take up space. Its moisture absorption capacity reaches 100% of its own weight, which is unmatched by ordinary desiccants. In addition, the product is safe and hygienic, and the price is moderate. It is an ideal choice for many biological, health food and medicines.
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