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PTA has the form of a white, crystalline powder and looks like powdered sugar. It is quite inert, which means that, for example, it is difficult to dissolve in water or other liquids. PTA is an aromatic acid, primarily applied in the production of polyester. The main raw material for PTA is paraxylene (PX).

HENGYI has been producing PTA since 2005. Now HENGYI is the largest petrochemical producer dealing in PTA.

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