Carbon Parts In 60-Seconds? | An Alternative to Traditional Composites

Traditional prepreg composites need 12+ hours in an oven or autoclave. UV-cure options can harden in as little as 60 seconds under a cheap UV lamp or even sunlight. So, what's the catch?

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Interested in a composite system that uses photoinitiators in the resin matrix instead of heat-triggered cure cycles. Sounds complicated? Don't worry, Gareth Dykes from FI Innovations explains what this all means and much more, including how this process can allow you to get the same near-perfect resin-to-fibre ratio as conventional prepreg, the same mechanical properties, but a simpler curing process via UV light. The system works with glass fiber, carbon fiber, Kevlar, or any other reinforcement, and gives you 2 to 3 hours of out time to build your layup before UV exposure triggers the cure.

You'll see the complete workflow: protective film systems that prevent premature curing, consolidation techniques for multi-layer laminates, thickness limits before staged curing becomes necessary, and why resin chemistry options like vinyl ester or epoxy maintain mechanical properties comparable to traditional systems.

The practical application is straightforward. Damage a body panel at the track, pull a pre-cut patch from the bag, consolidate it onto the repair area, let the sun cure it for a minute, and you are done. No resin mixing, no catalyst measuring, no 12-hour wait.

If you have been wondering whether UV-cure prepreg is a viable alternative to traditional prepreg or wet layup methods, this breaks down when it makes sense and how the process actually works.

Check out FI Innovations here: https://www.f-i.co.nz
???? Ever used UV-cure composites? Drop your experience in the comments.
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TIMESTAMPS
0:00 - Track Repairs With UV-Cure Prepreg
0:18 - What Is Prepreg
1:22 - Long Out Time And UV Activation
2:08 - Heat Vs Pressure Vs UV Cure
2:31 - Low-Temperature Prepreg Alternatives
3:05 - Material Options And Reinforcements
3:43 - Resin Bath Impregnation Process
3:53 - Why Resin-To-Fiber Ratio Matters
4:39 - Chemical Resistance Vs Mechanical Properties
4:55 - UV-Blocking Film Systems
6:12 - Building Multi-Layer Laminates
7:03 - Material Preparation And Sizing
8:23 - Removing Protective Films
9:56 - Consolidation And Rolling
10:52 - UV Curing Process And Safety
11:48 - Cure Time Demonstration
12:34 - Mechanical Properties Comparison
13:27 - Use Cases And Applications
14:25 - Track-Side Repair Workflow
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