This standard specifies a method for the determination of the reactivity of unsaturated polyester resins as characterized by the maximum temperature reached by a solution of unsaturated polyester resin and catalyst when heated in a water-bath at 80 C.
DS/EN ISO 584:1998 history
1998DS/EN ISO 584:1998 Plastics - Unsaturated polyester resins - Determination of reactivity at 80 C (conventional method)