Foundry Grade Sodium Silicate — Water Glass Binder for Precision Casting

# Sodium Silicate for Foundry & Precision Casting ## Product Overview Our foundry-grade sodium silicate is the economical, low-emission binder of choice for green sand molding and investment casting. It hardens with CO₂ gas or liquid ester, delivering strong molds and smooth cast surfaces. ## Key Features - Fast and uniform hardening - Excellent green strength - Environmentally friendly (low VOC) - Stable modulus for consistent results ## Applications - CO₂ process sand molding - Ester-cured self-hardening sand - Investment casting shell binder - Core making **Contact us** for foundry-grade silicate specifications and trial samples.