EPIKURE 3253 Published June 17, 2020 at 1000 × 667 in EPIKURE 3253 EPIKURE 3253, a tertiary amine, is tris (dimethyl amino-methyl) phenol. EPIKURE 3253, a tertiary amine, is tris (dimethyl amino-methyl) phenol. It is often used as a co-activating accelerator for other epoxy resin curing agents