2,3,3′,4′-diphenyl eter tetracarboxylic dianhydride/Α-ODPA cas:50662-95-8
3.1 Fa'amatalaga:
- Numera CAS: 50662-95-8
- Fuafuaga mole: C20H8O6
- Molweight: 344.27 g/mol
- Fa'aaliga: Pa'epa'e i le pa'epa'e pa'epa'e tioata
- Mama:≥99%
- Liu liusuavai: 350-360°C
- Mea fa'apuna: Fa'apala
3.2 Talosaga:
CAS 50662-95-8 e taua tele i pisinisi eseese ma matā'upu su'esu'e ona o ona meatotino fa'apitoa.O nisi o talosaga iloga e aofia ai:
- Vaega eletise, e pei o mea faʻapipiʻi ma laupapa faʻasalalau.
- Fa'apipi'i maualuga, lea e fa'amalosia ai le malosi fa'ainisinia ma fa'aleleia atili le mautu o le vevela.
- Thermoplastic resins, e maua ai le vevela ma le mautu o vailaʻau.
- Faʻapipiʻi ma faʻapipiʻi, faʻaleleia le tumau ma le teteʻe atu i tulaga eseese o le siosiomaga.
3.3 Faamanuiaga:
E ala i le filifilia o la matou CAS 50662-95-8 faʻapitoa sili ona lelei, e mafai ona e faʻamoemoeina faʻamanuiaga nei:
- Tulaga fa'alelei fa'alelei, fa'amautinoa e mafai e lau oloa ona tatalia le vevela maualuga e aunoa ma le fa'aleagaina.
- Malosi faʻainisinia sili, faʻaleleia le umi ma le tumau o mea.
- Mata'ina le tete'e atu i kemikolo, puipuia mai mea pala.
- Lelei mea tau eletise, mafai ai le atinaʻeina o mea eletise eletise.
- Talosaga fa'apitoa i pisinisi eseese, ofoina atu fofo fou mo ou mana'oga patino.
Fa'amatalaga:
Fa'aaliga | Wlaveapauta | Fa'atatau |
Mama(%) | ≥99.0 | 99.8 |
gau ile fa'amago (%) | ≤0.5 | 0.14 |