Graco Resin Transfer Molding Systems User Manual
Resin Transfer Molding Systems
Dispensing Equipment for RTM and Light RTM Applications
GlasCraft® RTM Systems
A full line of solutions for resin transfer molding
Resin transfer molding (RTM) is a closed
mold manufacturing process. Finished
parts are made by introducing polyester
or vinyl ester resins into closed molds
containing fiberglass, carbon or other
reinforcements.
Whether your process is traditional RTM,
Light RTM, Vacuum Infusion Process (VIP),
Closed Cavity Bag Molding (CCBM), or
other similar process, GlasCraft offers a
complete line of RTM systems to fit your
application.
Touch-screen PLC
Programmable machine functions –
from injection volume to catalyst ratio
(depending on options)
GlasCraft RTM Systems provide control
at low pressure – the key to successful
Light RTM injection
• Engineered for low-pressure injection
of polyester and vinyl ester resins
• Accu-Pressure sensor monitors and
controls pressure
• Entry-level to automated, high-volume
production models are available
Typical applications:
• Marine and watercraft
• Pool and spa
• Bathware
• Consumer products
• Automotive panels and parts
• Aircraft components
Positive Feed Catalyst pump
Allows for innite adjustment of catalyst
percentage – no tools required
Superior recirculation
• Allows resin and catalyst to cycle to
the dispense head and back to the
containers, unmixed
• Keeps pigments and llers suspended
in the resin
• Allows line to be de-gassed without
wasting material
Spartan Dispense Head
Provides excellent mix of resin and
catalyst, and trouble-free injection as well
Air Purge/Solvent Flush
For quick, efficient maintenance cleaning
Accu-Pressure Sensor
• Regulates, monitors and controls
injection pressure
• Stops material from dispensing if
injection pressures go above the user
set point
• Prevents molds from becoming
over-pressured
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