Published 11/11/2021 at 1110 × 497 in Fabrication and characterization of high-strength water-soluble composite salt core for zinc alloy die castings Fig. 5 The property of shrinkage rate of WSSC. a Strengthened by three particles. b Strengthened by interreinforcing powder Fig. 5 The property of shrinkage rate of WSSC. a Strengthened by three particles. b Strengthened by interreinforcing powder