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Uncoated calcium carbonate refers to a natural mineral substance that is composed of calcium carbonate without any additional coatings or surface treatments. It is a white, powdery material that is commonly used in various industrial applications, including the manufacture of paper, paints, plastics, and rubber products, as well as in construction, agriculture, and the food and pharmaceutical industries. Uncoated calcium carbonate is typically mined from natural deposits of limestone or chalk and is often ground into fine particles to achieve the desired particle size and purity for specific applications

Formic acid is a colorless, pungent liquid with a chemical formula of HCOOH. It is the simplest carboxylic acid, naturally occurring in certain fruits and vegetables and in the venom of some ants. It has a wide range of industrial applications as a preservative, antibacterial agent, solvent, and in the production of textiles, leather, rubber, and other materials. It also has some medical applications and is used in organic chemistry reactions as a reducing agent. However, formic acid is highly corrosive and can be dangerous if ingested or inhaled in large quantities.

Hydrochloric acid (HCl) is a strong, colorless, and highly corrosive acid that is widely used in industry and laboratory applications. It is a solution of hydrogen chloride gas in water and is commonly known as muriatic acid. Hydrochloric acid is a highly reactive compound that can dissolve many metals and organic materials, and it is also an important component of the gastric acid in the stomach, where it helps in the digestion of food. Hydrochloric acid has a pungent odor and can cause severe burns and eye damage if handled improperly. It is commonly used in the production of PVC plastics, fertilizers, and various other chemicals, and it is also used in the petroleum industry for the removal of impurities from oil and gas wells.