Before the invention of Semi-Permanent release agents, wax and PVA were the common mold release for fiberglass molding which were very labor intensive and unable to produce multiple releases between applications. The transition to Semi-Permanent releases did provide significant labor savings and better mold throughput. However, there are issues that manufacturers experience using Semi-Permanent releases such as pre-release, having fish-eyes in gel coats, or poor release due to misapplication. The webinar will address solutions to these issues.
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