Best seller phthalic anhydride manufacturers important raw material High Quality Phthalic Anhydride Plasticizer Pa
Phthalic anhydride is a white solid and is an important raw material in chemical industry, especially for the manufacture of plasticizers. important plasticizer. Used in the paint industry; production of unsaturated polyester resins for the manufacture of insulating varnishes and glass fiber reinforced plastics, also for pharmaceutical synthesis.
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