Cas no: 89-32-7 PMDA Pyromellitic dianhydride
Takaitaccen gabatarwa
Pyromellitic dianhydride (PMDA), samfurori masu tsabta fararen lu'ulu'u ne ko kadan.Fitar da iska mai ɗanɗano zai yi sauri ya sha damshi daga iska kuma a sanya shi cikin ruwa zuwa Pyromellitic Acid.Narke cikin dimethyl sulfoxide, dimethylformamide, acetone da sauran kaushi na halitta, wanda ba a iya narkewa a cikin ether, chloroformand benzene.Ana amfani da shi azaman ɗanyen abu don polyimide, da wakili na haɗin gwiwa don kera wakili na warkarwa na epoxy da bacewar guduro na polyester.
Pyromellitic acid (PMA), wanda kuma aka sani da 1,2,4,5-benzenetetracarboxylicacid, fari zuwa yellowish powdery crystal, yafi amfani a cikin kira na polyimide, octyl pyromelliate, da dai sauransu, shi ne babban rawmaterial don samar da matting curing wakili. .
| ITEM | PMDA | PMA |
| Tsafta wt% | 99.5% | 99% |
| Ragowar acetone PPM | 1500 | / |
| Wurin narkewa | 284-288 | / |
| Launi | Fari zuwa rawaya | Fari |
| Acid kyauta wt% | 0.5 | / |
| Girman barbashi | Akan bukatar abokin ciniki | Akan bukatar abokin ciniki |
Pls tuntube mu don samun COA da MSDS.Godiya.
