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Epoxy
I’ve used this epoxy as a coating to harden materials, including cardboard, and it can make projects a lot stronger. It’s not the same as the tube-style epoxy you’d use as an adhesive to glue parts together—this is more of a coating/decorative epoxy. I like that it comes with cups, gloves, and sticks, because you need to treat resin safely and use ventilation.
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Pros
- +Can strengthen/harden cardboard when used as a coating
- +Includes helpful accessories like gloves and mixing cups
- +Useful for protective coatings on projects
Cons
- -Not designed as an adhesive epoxy for joining parts
- -Requires safety precautions and good ventilation
