Under normal conditions, die casting release agents rarely induce mold rusting—they contain built-in anti-rust components. However, rusting risks arise in these cases:
Insufficient or absent corrosion inhibitors, rendering the agent ineffective.
Extreme pH (overly acidic/alkaline) that erodes the mold.
Unprocessed recycled release agents (from poorly managed recovery pools) lacking anti-corrosion properties.
Frequent failure to blow-dry the mold post-spraying, enabling long-term corrosion.
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