English 
Hydrofluoric acid: the most important intermediate in the fluorine industry chain Hydrofluoric acid is an important raw material for the preparation of many important industrial substances and polymers, and is widely used in electronic and electrical appliances, medicine, metallurgy, chemical indust
Fluorite (CaF2), formerly known as fluorite, is one of the minerals with the highest fluorine content in nature and is also an important raw material for the fluorine chemical industry. It is not only used in traditional fields such as metallurgy, building materials, and optical industry, but also i
Refrigerant, also known as refrigerant, is an important medium that circulates in air conditioning, heat pumps, and refrigeration systems to achieve energy conversion. Refrigerant can absorb and release heat through phase change in vapor compression refrigeration cycle systems, so it is widely used
Acidity and basicity of compounds are indications of the pH. Acidity of a medium is caused by acidic compounds, which can release hydrogen ions (H+), resulting in a low pH in that medium.
