Zinc oxide feed grade 75

Zinc oxide feed grade 75

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Zinc oxide feed grade 75 is a dry powdered zinc source, which has good stability in feed, does not contain water, does not agglomerate, does not change, and is convenient for feed processing and long-term storage. It has little effect on vitamins in feed. The heavy metal content of lead, arsenic, and cadmium cannot be greater than 10 ppm. Compared with other zinc sources, zinc oxide feed grade 75 has a significantly lower unit zinc cost, which is beneficial to lower feed additive costs.

In the application of zinc oxide feed grade 75, the effect is improved by changing the form of zinc oxide feed grade 75:

l The antibacterial activity of zinc oxide is mainly derived from the active oxygen generated on its surface. The oxygen electrode is used to detect the generation of hydrogen peroxide from zinc oxide powder and the chemiluminescence method is used to detect the generation of active oxygen on the surface of zinc oxide powder, antibacterial activity and activity Oxygen generating capacity is related.

l  The antibacterial activity of zinc oxide increases as the particle size of the zinc oxide powder decreases. The antibacterial effect of Staphylococcus aureus is similar to that of Escherichia coli; the increase of the particle size of zinc oxide powder will reduce its antibacterial activity.

l The antibacterial activity of zinc oxide powder also decreases with the increase of preparation temperature. Compared with magnesium oxide and calcium oxide, the decrease of zinc oxide is greater.

l The antibacterial activity of zinc oxide in normal saline increases as the concentration of zinc oxide powder increases.

l  For Escherichia coli, the antibacterial activity of zinc oxide is related to the specific surface area of zinc oxide powder, but has nothing to do with the crystal form and crystal lattice of zinc oxide powder;

Therefore, how to reduce the particle size of zinc oxide feed grade 75 and increase the specific surface area of zinc oxide feed grade 75 has become the main goal of research. This has produced different forms of zinc oxide varieties such as nano-zinc oxide and zinc oxide natural silicate mineral complex.

The MST factory has 30 professional production processes and production lines, with an annual output of 120,000 tons of high-grade zinc oxide; it is made by indirect methods, of which zinc oxide feed grade 75 has high purity and is a major important additive for animal feed.