(PDF) Wet Reclamation for Improving Properties of Waste Silica Sand …
2018. Metal casting commonly uses silica sand with water glass as a binder for mold and core. Water glass binder that overlays grain sand was harden by CO2 gas to form silicate bonding.nbsp Thenbspnbsp waste silica sand was not able to benbsp reused as mold and core because its properties changed due to high temperature exposure during casting process that converted …
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