Uni-Rez 2616 Polyamide Arizona Chemical Polyamide ADHESIVE >> Hot-melt UNI-REZ 2616 is a hot melt adhesive resin based on dimer acids. This product has good low temperature flexibility and is recommended for bonding porous substrates. Hot melt adhesive resin based on dimer acids. Possesses good low temperature flexibility. Recommended for bonding porous substrates.