Antifoam & Wetting Agent
Antifoam and Wetting Agent are surfactants used in the investment casting shell process to allow the slurries to properly wet the surface of the wax pattern. They are important for a good finish on the final casting.
Add and stir antifoam and wetting agent about 0.03-0.1% of the whole slurry according to the real processing conditions during mixing shell slurries. Use Antifoam and wetting agent together with proportion of 0.03% and 0.05% respectively.