Water Glass Casting Process: A Cost-Effective Precision Solution In the world of investment casting (also called precision casting), manufacturers are always looking for efficient, budget-friendly ways to make high-quality steel components. One of the most common methods is water glass casting process. It’s a reliable, cost-effective alternative to silica sol investment casting, and what’s more, it’s especially popular in foundries for making detailed steel castings with great dimensional accuracy What is water glass casting processing? Sodium silicate shell processing is a