Epoxy fillers
What is The primary purpose of epoxy fillers?
To change the viscosity of liquid epoxy.
How many times should you wax over a surface when preparing for a FRP epoxy chip?
You wax your surface 7 times over.
What is MEKP?
A curing agent that kicks off resins like epoxy.
Always use what when using the table saw?
Eye protection.
What's an example of math when cutting fiberglass?
Measuring the length of the piece you're cutting.
What are you doing to something if you make it more viscous?
Making it thicker.
Do you measure epoxy chip resin in pumps, by grams, or by volume?
Typically, by pumps but not always.
What's the number one rule when dealing with MEKP?
Wear safety glasses and hand protection always!
Never wear what clothing when using the table saw?
Loose clothing?
What's a good example of math when measuring epoxy resin?
Measuring grams on a scale or by volume with a cup.
West System makes _ different structural fillers and _
different fairing fillers.
4, 2
What's better? A over whetted chip or a under whetted chip?
You would wane have an over whetted chip.
Why do we use white MEKP instead of red MEKP when curing gelcoat?
White MEKP keeps the white fresh color as well as being more noticeable during inspection for imperfections. Red MEKP stands out and is harder to see depth since it matches the molds orange ish color.
Always ensure that the safety fence is what in place?
Locked in place?
What's a good example of using math when using hardener or curing agent like mekp.
Measuring the resin to hardener ratio by division.
True or False
Structural fillers are difficult to sand.
-True
What happens when you over catalyze epoxy resin during a chip?
It can catch fire and or cure improperly.
What do you do after over-catalyzing resin with MEKP and notice it reach a dangerous heat?
A. Put more MEKP in it?
B. Put it outside?
C. Put it out with a chemical reaction fire extinguisher?
-Select all that apply.
Never let go of your work piece if it is still between what and the fence?
A blade?
True or false
You measure viscosity by drip testing?
True
If you were to have 2 of the 6 fillers in your shop, which would be the best to have?
406 and 407.
What do you do to the surface before you lay it with your chip?
Prep it. Wipe with acetone then wax it 5-7 times
Is it okay to mix MEKP with acetone or de-waxer?
No never, it can cause spontaneous combustion.
what is used to push the object through the blade with using your hands?
Push block?
What are examples of using addition in composites?
Adding pumps in pump-to-pump ratios.