It is the main raw material for the production of polyester. It has the appearance of a white powder, which is non-toxic and slightly irritating. The dust is explosive. It is prone to explosion when mixed with air at room temperature to a certain proportion.It is soluble in alkali solution, slightly soluble in hot ethanol, and slightly soluble in water.
PTA (fine terephthalic acid) is one of the important bulk organic raw materials. Its main purpose is to produce polyester fiber (polyester), polyester bottle flakes and polyester film. It is widely used in all aspects of the national economy such as chemical fiber, light industry, electronics, and construction. It is closely related to the high level of people's living standards.
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