Light RTM is a closed mold system that consists of an “A” side base mold and a semi-rigid fiberglass “B” side mold or counter mold. The mold flanges incorporate seals that create an air-tight seal when the counter mold is placed on the base mold and vacuum pressure is applied. The laminate stack of fiber reinforcements are placed in the mold and the tool set is closed. Vacuum clamps the molds together. As vacuum pressure is applied to the sealed mold, catalyzed resin is pumped into the mold through ports and a resin runner incorporated in the counter mold. Once the resin is cured, the counter mold is removed and the part is de-molded from the base mold.
Before starting a LRTM project, consult with a MCS technical support manager who can assist in all aspects of mold design, equipment and products to insure a successful closed mold process.
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