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    4. Polyimide Monomer

      NO. Product name Structural formula Content CAS No.
      1 2,2'-Bis(trifluoromethyl)- [1,1'-biphenyl]-4,4'-diamine (TFDB/TFMB) 2,2'-Bis(trifluoromethyl)-
[1,1'-biphenyl]-4,4'-diamine
(TFDB/TFMB) HPLC:≥99.5% 341-58-2
      2 4,4'-(Hexafluoroisopropylidene) diphthalic anhydride (6FDA) 4,4'-(Hexafluoroisopropylidene) diphthalic anhydride
(6FDA) HPLC:≥99.5% 1107-00-2
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