Silica is a high-purity, good-flowing white granule or powder with uniform particle size, high adsorption and flow-promoting properties.

The U.S. Environmental Protection Agency (EPA) issued a document No. 2018-23672 to approve the use of silicon dioxide (Silicon dioxide) as an anti-caking agent in feed.

Silicon dioxide, chemical formula SiO2, is one of the most important compounds of silicon. Silica is classified according to the manufacturing method and can be divided into precipitated silica, fumed silica and silica gel. More than 90% of domestic silica products are precipitated silica. Most of the silica used in feed is precipitated silica, and the main raw materials are quartz sand, soda ash and sulfuric acid. Silica itself has no toxic and side effects. It can not only be used as a flow aid and anti-caking agent for various premixes and trace minerals, but also as a carrier to improve the fluidity of the feed, so that various nutrients in the feed can be evenly distributed. Mixing, reducing the concentration of active trace components, and separating a variety of trace active particles, reducing the reaction between active ingredients, maintaining the stability of active ingredients, and effectively ensuring the quality of additives and premixes.

As one of the anti-caking agents, silicon dioxide is listed in the "Catalogue of Feed Additives" by the Ministry of Agriculture of my country, and is an important feed additive. However, at present, there is no standard in my country to strictly limit the amount of silica added in feed. In actual production, the amount of feed-grade silica additive added to feed is very small, generally not exceeding 5‰. When adding silica to feed products, enterprises should ensure that animals can discharge normally after use and will not be absorbed. At present, my country has not formulated national standards for feed-grade silica, so some regions have formulated local standards or enterprise standards according to GB 25576-2010 "Silica for Food Additives", such as DB35/T 1208-2011 "Silica for Feed Additives" ", Q/CBDC001-2019 "Silica for Feed Additives", these standards specify the requirements, test methods, testing rules, storage, transportation, etc. of feed additive silica.

Feed-grade silica (silica) is a high-purity, good-flowing white granule or powder with uniform particle size, high adsorption and flow-promoting properties. The main application is mainly in the feed additive industry, which can be used in various feed flavoring agents, antifungal agents, acidifiers, antioxidants, anti-caking agents, premixes, trace elements, silicon-type choline chloride, allicin, etc. in the product.

Feed grade silica can be used as a flow and anti-caking agent for various premixes and trace element minerals, and can also be used as a carrier in vitamin additives. Many times, mineral premixes, vitamin premixes and other Powdered additives are not sufficiently free-flowing, the addition of silica will significantly reduce the tendency to agglomerate Improved flow properties, as a result, valuable feed additives can be dosed more uniformly and more accurately, greatly improving handling and reducing costly Downtime. Silica will significantly reduce the tendency to agglomerate and improve the flow properties at the same time. The silica used as a flow aid and anti-caking agent has a relatively small particle size and a low addition amount; the silica used as a carrier has a relatively large particle size and Can be well adsorbed.