It is the main material of High temperature resistant resin, engineering plastic as bellows: Polyimide, polyether imide, polyester imide, a polymaleimide, poly aryl amide
②It is material of 3,3’,4,4’-Tetraaminodiphenyl Ether which is main monomer of a series of aromatic heterocyclic heat resistant polymeric material
③It is material of high performance heat resistance of epoxy resin, polyurethane and other polymer materials and crosslinking agent.
It is used to replace Benzidine. Till now, it has been developed different color dyes, such as red, sand red, yellow brown, green, gray, blue, bright orange, black. The dyes can be worked on silk, wool, cotton, hemp and other fabric, and its performance is good than Benzidine.