PA/MAPhthalic/Maleic Anhydride

PA is produced by catalytic oxidation of Ortho-Xylene. It is mainly traded in powder or flakes and used as a feedstock for plasticizers (DOP, DBP, etc.), paint, and polyester resins.
MA is produced by the oxidation of Benzene or the vapor-phase oxidation of N-Butane and takes on the appearance of white needle crystals or granular crystals. It is a feedstock for unsaturated polyester resins and fumarate acids.

Polyvinyl Chloride

ProductPA
Characteristics
Pure white flaky solid at room temperature Colorless and transparent liquid when heated
Applications
Main ingredient of phthalate plasticizers, ingredient of FRP, paints and spandex
ProductMA
Characteristics
Pure white flaky solid at room temperature Colorless and transparent liquid when heated
Applications
Resin for housing and automobile parts, ingredient for resins, paints, dyes and pigments

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