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QUICK DETAILS
Chemical Name: zinc powder
English name 2: Zinc dust
Main ingredients: Pure product
Appearance and traits: Light gray fine powder.
Melting point (°C): 419.6
Boiling point (°C): 907
Relative density (water = 1): 7.13
Saturated vapor pressure (kPa): 0.13 (487 ° C)
Ignition temperature (°C): 500
Lower explosion limit % (V / V): 212 ~ 284mg / m3
Solubility: Soluble in acid and alkali.
Main use: Used as catalyst, reducing agent and for organic synthesis, also used in the preparation of non-ferrous metal alloys.
Other physical and chemical properties: 210
APPLICATION
1. In the chemical industry, zinc oxide is widely used as a catalyst and desulfurizer. For example, when it is used as a catalyst for synthesizing methanol, it is used as a desulfurizer when synthesizing ammonia. The high surface activity of nano-zinc oxide can improve the selectivity and catalytic efficiency of the catalyst. Potential application market.
2. In the coatings industry, in addition to tinting strength and hiding power, zinc oxide is a preservative and illuminant in coatings. In addition, the excellent UV shielding ability of nano zinc oxide makes it more resistant to aging of coatings. Outstanding features.
3. In the medical and health and food industries, zinc oxide has the functions of detoxification, hemostasis, and myogenic convergence. It is also used as an adhesive plaster raw material, and it is helpful for promoting children's intellectual development; nano zinc oxide is used in the food hygiene industry. It is gradually expanding, but the product requirements are also strict, especially the harmful heavy metal element content.
4. In the glass industry, zinc oxide is used in special glass products; in the ceramic industry, zinc oxide is used as a flux; in the printing and dyeing industry, zinc oxide is used as an anti-staining agent; nano-zinc oxide is fine and highly active. It can reduce the sintering temperature of glass and ceramics. In addition, the ceramic glaze prepared by using nano zinc oxide is more smooth and has antibacterial, anti-enzyme and deodorizing effects.
5. In the electronics industry, zinc oxide is both the main raw material for varistor and the main additive for magnetic, optical and other materials. The use of nano zinc oxide to prepare varistor not only has a lower sintering temperature, but also improved varistor performance, such as flow capacity and nonlinear coefficient.
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