RTM MOLD
DESCRIPTION
•RTM uses dry fabric to make preform
•Tooling is generally steel or Al, on all surfaces
•Fabric has small amount (~ 5 %) of resin to stabilize preform
•Resin is thoroughly degassed and vacuum is drawn on tool
•Low viscosity RTM resin, < 500 cps, infuses entire preform
•Resin pressure maintained at 7 to 8 Bar during cures