Hydrospan 400 Shrinking Resin Quick reference chart for determining how much water should be added with resin to achieve correct reduction size HydroSpan 400 resin / water solution Gel Time Size of finished part Compared to Master (100%) Less than 1 part water to 1 part resin is not recommended 1 Part Resin/ 1 Part … Continue reading Hydrospan 400 Shrinking Resin