Yes. Appropriate release agents prevent defects such as scratches, mold sticking, and air bubbles on casting surfaces, delivering smoother, brighter finishes and enhancing surface quality. Conversely, improper selection or incorrect application may leave residues, impairing subsequent secondary processing (e.g., painting) and reducing surface quality. For instance:
Release agents with poor lubricity can cause mold sticking in complex structures (e.g., deep cavities), resulting in rough casting appearances.
High gas evolution from some agents leads to poor product airtightness and inferior mechanical properties.
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