Representing biggest MPDA manufacturer in China Over 10-year experience exporting MPDA Material being sold to the US Specifications: Grade A Appearance:White flakes or molten form Purity: 99.9%p-PDA: 100 ppm max.o-PDA: 200 ppm max.Water: 0.1% max.M.P.: 62.5 D.C. Applications: Aromatic polyamide fibers, Epoxy resin curing agent, Membrane for water treatment Grade B Appearance: Brown to Grey flakes ...