Starting Resin Infusion
Before vacuum infusion processing (VIP or resin infusion), there was vacuum bagging. With vacuum bagging, a laminate is first wet out through an open mold type process, then covered in plastic and sealed. A vacuum is then pulled, which helps consolidate the laminate and pull out air and excess resin.
From vacuum bagging came vacuum infusion. Here, a dry laminate is sealed, air is removed using a vacuum, and resin is “pulled” through the fabric creating a fully impregnated composite part.
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