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Crude Pyromellitic dianhydride
(Crude PMDA)
Product performance Crud.....
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Pyromellitic dianhydride
(PMDA)
Pyromellitic dianhydride(PM.....
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Pyromellitic acid hydrate
(PMA)
In the pyromellitic acid re.....
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Puyang LongDeYoung New Material Co., Ltd.
The main product is pyromellitic anhydride,
The chemical name is 12,4,5 benzoic dianhydride, referred to as PMDA
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