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593052-250ML Poly(pyromellitic dianhydride-co-4,4′-oxydianiline)
amic acid solution 11 wt. %±5 wt. % in NMP/aromatic hydrocarbons (80%/20% solvent ratio)
Brand : Aldrich
C.A.S. No.: 25038-81-7
Packing : 250ML