Cas no:89-32-7 PMDA Pyromellitic dianhydride
Kenyelletso e khutšoanyane
Pyromellitic dianhydride (PMDA), lihlahisoa tse hloekileng ke likristale tse tšoeu kapa tse mosehla hanyenyane.E pepesehetse moeeng o mongobo ka potlako e tla monya mongobo o tsoang moeeng ebe e kenngoa ka hydrolyzed ho Pyromellitic Acid. E qhibilihisoa ka dimethyl sulfoxide, dimethylformamide, acetone le metsoako e meng ea organic, e sa qhibiliheng ka har'a ether, chloroformand benzene.Haholo-holo e sebelisoa e le thepa e tala bakeng sa polyimide, le crosslinking agent bakeng sa ho etsa epoxy e phekolang le ho fela ha polyester resin.
Pyromellitic acid(PMA), eo hape e tsejoang e le 1,2,4,5-benzenetetracarboxylicacid, e tšoeu ho isa ho bosehla kristale ea phofshoana, e sebelisoa haholo molemong oa polyimide, octyl pyromelliate, jj. .
| ITEM | PMDA | PMA |
| Purity wt% | 99.5% | 99% |
| Masala a Acetone PPM | 1500 | / |
| Sebaka se qhibilihang | 284-288 | / |
| Mmala | Bosoeu ho isa bosehla | Bosoeu |
| Asiti ea Mahala wt% | 0.5 | / |
| Boholo ba likaroloana | Ho latela tlhoko ea bareki | Ho latela tlhoko ea bareki |
Pls ikopanye le rona ho fumana COA le MSDS.Kea leboha.
