Thermal conductivity of die-casting release agents primarily refers to their ability to conduct heat—a property most clearly reflected in the release agent’s heat retention performance. This helps ensure smooth filling of molten aluminum and reduces defects like cold shuts and incomplete mold filling. When metal melts are negatively impacted by factors such as alloy composition, temperature variations, or low latent heat release during crystallization, die-casting release agents depend on heat retention to enhance metal fluidity, facilitating successful filling—this is particularly critical and widely used in magnesium alloy die casting.
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