Physical Appearance: White powder
Melting Point: 245-248Deg C
APHA: 20 max.
Iron: 5ppm max.
Packing: 25kgs net P.P.bags with pallets.
Its application is mainly as the raw material of Polysulfone, PES and Polycarbonate, and also use in disperse dyes as dispersant, curing agent and dire retardant of phenolic resin and so on.