A typical silicone mold used in urethane casting can produce 15 to 30 parts, depending on material, geometry, and casting conditions. Silicone molds for urethane casting usually make 20 to 50 parts, though some last 25 to 300 cycles with the right silicone grade, part shape, and handling. In many shops, silicone tooling averages about 20 to 25 parts before replacement. Your urethane casting mold life depends on geometry, silicone type, resin aggressiveness, cure temperature, and demolding stress. If you want realistic output estimates, you need to judge each of these variables with care. Key Takeaways Silicone molds usually make…
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