Casting impregnation is the process of removing air from the pores of leakage paths in a casting and replacing it with resin that is specifically formulated to cure in the pores so that the casting becomes pressure tight.

What is impregnation method?

Impregnation method is commonly known as a physical method of catalyst preparation. Incipient wetness impregnation (IWI) or dry impregnation is accounted as an industrial and efficient method that involves to occluding the solution of active metal(s) in the pores of support [15]. Parnian et al.

Is used for impregnation process?

Vacuum impregnation seals porosity and leak paths in metal castings and powdered metal parts that form during the casting or molding process. The process is done by filling the pores with a sealant under pressure to stop fluids or gases from leaking under pressure.