U-CAT 5002 is a latent curing accelerator specially developed for epoxy resin/acid anhydride curing systems. It is a derivative of tetraphenylborate and DBU salt. U-CAT 5002 is uniformly soluble in anhydrides such as methyl THPA and methyl HHPA. It is insoluble in liquid epoxies such as EPIKOTE 828.   Physical and chemical properties · CAS No....