Quality control of sol silicate shell mold in investment casting was described

including adhesive agent

coating additive and refractory. In addition

quality control of coating processing performance was introduced including fluidity

coverability

homogeneity and stability. Shell-making process was expounded to improve the quality of shell mold

such as proper proportion of coating

adjustment of coating processing performance

stuccoing

drying shell-mold

dewaxing and high temperature baking.