BTDA 2421-28-5
Magaca Alaabta: 3,3',4,4'-Benzophenonetetracarboxylic dianhydride BTDA CAS: 2421-28-5 MF: C17H6O7 MW: 322.23 EINECS: 219-348-1 Meesha dhalaalka: 218-222 °C (iftiin) Barta karkarinta: 320°C 5mm Cufnaanta: 1,57 g/cm3 Cufnaanta uumiga: 1.4 (Vs hawada) Cadaadiska uumiga: <0.1 mm Hg (0 °C) Tusmada dib-u-celinta: 1.6380 (qiyaas) Fp: 324 °C BRN: 761777
1.BTDA waa monomer muhiim ah oo ah polyimide, waxaana loo isticmaalaa soo saarista walxaha polyimide. 2.Waxaa loo adeegsaday isku-dhafka polyimides. 3.BTDA polymer ganaax budo bilaash ah oo ku habboon ujeedooyinka guud. BTDA Microfine Micronized budada waxay sahlaysa isku darka resins epoxy. BTDA ultrapure-nadiif sare leh, budo-sare ah oo loogu talagalay isku-dhafka polyimide ee muhiimka ah.
1, T/T
2, L/C
3, Fiisaha
4, Kaarka deynta
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7, midowga reer galbeedka
8, MoneyGram
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