This standard applies to the determination of the reactivity of unsaturated polyester resins at 80°C.
GB/T 7193.4-1987 history
2008GB/T 7193-2008 Test methods for unsaturated polyester resins
1987GB/T 7193.4-1987 Unsaturated polyester resin--Determination of reactivity at 80 Centigrade
GB/T 7193.4-1987 Unsaturated polyester resin--Determination of reactivity at 80 Centigrade was changed to GB/T 7193-2008 Test methods for unsaturated polyester resins.