Flotation agents usually are divided into three categories: collectors, frothers, regulators, which are used for separation of sulfide and non-sulfide minerals form ores.
Extractant is a solvent used for extraction. When two liquids are not miscible with each other, the substance to be extracted can be extracted when the solubility of the two liquid is very different.
Other chemicals include phosphorus flame retardants and amine chemicals. Most organic phosphorus flame retardants have the advantages of low smoke, non-toxic, low halogen, halogen free, etc., and meet the development trend of flame retardants, and have good prospects for development.
A growth regulator, plant growth regulator/PGR is a natural or synthetic chemical that is sprayed or otherwise applied to a seed or plant in order to alter its characteristics. plant growth regulators are sometimes referred to as plant hormones. Growers can add plant growth regulators to their crops in order to achieve a desirable goal, ranging from increasing insect and disease resistance to increasing root strength. Some plant growth regulators also are used to stunt growth.