Poly(3,3′,4,4′-biphenyltetracarboxylic dianhydride-co-1,4-phenylenediamine), amic acid solution

grade

electronic grade

Quality Level

100

purified by

filtration through 1.0μm medium

concentration

9.5-11.5 wt. % in 1-methyl-2-pyrrolidinone

impurities

≤10 ppm total metals

refractive index

n20/D 1.497

viscosity

25-30 poise(25 °C, Brookfield)(lit.)

bp

202 °C

transition temp

T_g >400 °C (imide)

density

1.07 g/mL at 25 °C

anion traces

chloride (Cl^-): ≤5 ppm

storage temp.

−20°C