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functions come from two aspects: first, providing easily absorbed calcium (containing approximately 30% calcium); and second, releasing formic acid in the body or environment to exert acidifying, antibacterial, or coagulant-promoting effects.

1.Feed Additives

Calcium formate plays an important role in animal husbandry as a feed additive. It supplements the calcium needed for animal growth, promotes bone development, and enhances the animal’s physique and immunity. Furthermore, calcium formate, added to feed in a neutral form, releases trace amounts of formic acid through the digestive tract after ingestion by piglets. This lowers the pH of the gastrointestinal tract, promoting the growth of beneficial bacteria and reducing diarrhea in piglets. Domestic and international market research shows that adding 1%–1.5% calcium formate to piglet diets can significantly improve the production performance of weaned piglets; adding 1.3% calcium formate can improve feed conversion ratio by 7%–8%, and adding 0.9% can reduce the incidence of diarrhea in piglets.

2.Construction Industry

In the construction industry, calcium formate can be used as an early-strength agent. In concrete, it accelerates the hydration reaction of cement, increases the early strength of concrete, and shortens the curing time, thereby speeding up construction. Its effect is particularly noticeable in winter construction or projects with high requirements for early concrete strength. Furthermore, calcium formate can also be added to concrete as a waterproofing agent. It reacts with calcium hydroxide in cement to form insoluble calcium carbonate and formic acid, filling pores and cracks in the concrete and improving its density and waterproofing performance.

3.Leather Industry

Calcium formate can be used as an auxiliary tanning agent in the leather tanning process. It can bind with collagen in leather, improving its softness and fullness, while also enhancing its water resistance and corrosion resistance.

4.Other Industrial Uses

Calcium formate can also be used in the petroleum, paper, and textile industries. In the petroleum industry, calcium formate can be used as an additive in drilling fluids to improve their stability and inhibition properties. In the paper industry Calcium formate can be used as a sizing agent for paper, improving its water resistance and strength. In the textile industry, calcium formate can be used as a dyeing and printing auxiliary agent, improving the fixation rate and brightness of dyes.

5.Medical Field

Calcium formate is a medical raw material used in pharmaceutical manufacturing, commonly found in calcium supplements, and also frequently used as a food additive. Calcium formate can be made into oral medications to treat calcium deficiency; it is an additive in most commercially available calcium supplements.

6.Food Industry

Due to its anti-mold and antibacterial properties, calcium formate, when added to food products in accordance with nationally regulated dosages, can maintain food freshness to a certain extent.

7.Agriculture

Calcium formate is a high-quality feed additive that can regulate the pH value of the animal’s gastrointestinal tract, promote the growth of beneficial bacteria, and inhibit the reproduction of harmful bacteria, thereby improving the animal’s digestive and absorptive capacity, enhancing its immunity, and reducing the incidence of disease. Simultaneously, calcium formate can also provide animals with a calcium source, promoting bone growth and development. Furthermore, calcium formate is also used in agricultural fertilizers; it can serve as a calcium fertilizer, providing crops with calcium, enhancing their resistance to stress, and improving crop yield and quality.

In summary, calcium formate is a multifunctional compound that effectively improves piglet health and growth performance in the feed industry, enhances construction efficiency as a high-efficiency early-strength agent in the construction industry, and combines calcium supplementation with soil improvement in agriculture. It is highly safe, environmentally friendly, and has broad prospects for future applications.