Supply 99.8% Min High Purity Pyromellitic Dianhydride (PMDA)
The Main Manufacturer(Helishi)of Pyromellitic Dianhydride/PMDA in China
Product Name | Pyromellitic Dianhydride; PMDA; 1,2,4,5-Benzenetetracarboxylic Anhydride |
CAS No. | 89-32-7 |
EINECS No. | 201-898-9 |
Formula | C10H2O6 |
Structure | |
Appearance | White crystal powder |
Melting point | 286-288 °C |
Free acid content | 0.5% max |
Assay | 99.80% min |
Application | Used for making polyimide film, resin, powdery paint, delustering agent |
Manufacturer | Shandong Helishi Petrochemical Technology Development Co., Ltd. |
Capacity | 2,000mt/ year |
Application
Pyromellitic dianhydride (PMDA) is used to make polyimide film, polyimide resin, high
temperature resistance electric insulating paint, PVC plasticizer, synthetic resin crosslinking
agent and epoxyresin curing agent, also used to make phthalocyanine blue dye, food packaging
industry PET chain extension, etc.