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Aircraft Epoxy, Marine Epoxy what's the difference?

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aeroknot

Member
Joined
Nov 5, 2016
Messages
7
Location
Port Charlotte, FL
Aircraft Epoxy, Marine Epoxy what's the difference?
I am starting the research for building a LongEZ or Cozy Mk IV. The groups and instructions all talk about "Aircraft Rated Epoxy".

What's the difference between aircraft and marine epoxies?

I understand the stresses are somewhat different, flex and stress vs pounding a 2 - 3,000+ lb boat into crashing waves.

I can buy marine epoxy wholesale for $40 per gallon, vs paying retail (from spruce) for aircraft epoxy.
Could sure use some help here.
 
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