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More commonly used in prepreg composite manufacturing are thermoset prepregs.
The main resin matrix used is epoxy resin.
Other thermoset resins are made into prepregs, including BMI and phenolic resins.
With thermoset prepreg, the thermoset resin starts as a liquid and completely impregnates the fiber reinforcement.
Excess resin is precisely removed from the reinforcement.
At the same time, the epoxy undergoes partial curing, changing the resin's state from liquid to solid.
This is called "Phase B". During the B stage, the resin is partially cured and usually tacky.
When resin is raised to high temperatures, it will often return to a liquid state briefly before completely hardening.
After curing, the thermoset resin in stage b is now fully cross-linked.
The prepared composite materials have been widely used in aerospace, wind power generation, high-speed rail, automobiles, fishing gear, rowing and other fields.
About Jota Machinery:
Jota Machinery is the leading composite machinery manufacturer in CFRTP/CFRT thermoplastic ud tape prepreg machine, uni-directional tap(ud tape) slitting machine , AFP/ATL traverse spooling machine .
After our continuous development and upgrading we have published various machines for thermoplastic composite material:
JT-CFRT-650 continuous fiber-reinforced thermoplastic uni-directional tape prepreg machine: • What is Continuous Fib...
Thermosetting carbon fiber prepreg slitting machine : • UD tape slitter machin...
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How is carbon fiber Fabric made : • Twill Carbon Fiber Wov...
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PEEK+carbon fiber/fiberglass unidirectional tape slitting machine: • CFRTP Thermoplastic Ca...
Kevlar unidirectional prepreg tape manufacturing process : • A Review for Kevlar Fi...
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Chapter for What's the Carbon Fiber Prepreg Composite Manufacturing Process?
00:00 Prepreg Machine
00:15 Fiber Spreading
00:44 Carbon/Epoxy
00:48 Fabric Prepreg
00:54 Uni-directional Prepreg Tape Roll