IDA- amine hardener (aliphatic amine)IDA hardener is mainly used in compositions with low molecular weight epoxy resins and products based on them.Properties:Viscosity at 25 ° C: 20 - 30 (mPa s)Density at 20 ° C: 0.978 - 0.983 (g / cm 3)Amine number: min. 1100 (mg KOH / g)..