PMDA(Pyromellitic Dianhydride)
Product Information High Quality Chinese Pyromellitic Dianhydride(PMDA） Product Name: Pyromellitic Dianhydride; PMDA Other Name:1,2,4,5-Benzenetetracarboxylic dianhydride; benzene-1,2:4,5-tetracarboxylic dianhydride; PMDA CAS No.:89-32-7 MF:C10H2O6 HS Code:2917399090 Package: 25kg drum Quantity(20’FCL): 9Mts Application：for making polyimide film, resin, powdery paint, delustering agent specification: Appearance：White crystalline powderAssay：≥99.5% Melting Point：286~288ºC Free acid content：≤0.5%