If you need a super strong epoxy glue for a balsa wood or fiberglass type model then take a serious look at Great Planes Pro Epoxy Glue. It’s a 2 part epoxy glue and comes in a 6 minute and 30 minute cure time formulas. It cures clear so you don’t have to worry about seeing the glue when you’re done.
Great Planes Pro Epoxy is easy to mix and apply. You mix equal parts of resin and hardener in a small cup and stir well. Then apply and secure parts together for 6 minutes. For extra strength add fiberglass cloth to the epoxy. Each bottle contains 9 oz of product and will glue many R/C model kits.
Here is a link where you can buy it and the mixing cups and epoxy brushes…Great Planes Pro Epoxy 6-Minute Formula 9 oz Bottles at Amazon.com