![]() ![]() When using this type, you’ll need to mix the epoxy resin with the hardener before applying it to the surfaces that you need to stick together. It’s epoxy resin and a hardener or curing agent. Pure epoxy is probably the most common type you’ll find on the market. So, let’s look at these adhesives and discuss their optimal applications when you’re sticking with PLA: Pure Epoxy Understanding how each type of epoxy works will help you choose the kind that’ll work best with specific types of materials. The different types of epoxy are pure epoxy, polyester resin, and epoxy acrylates. However, since epoxy hardens as it dries, it’s not advisable to use epoxy on pliable surfaces, as the cured epoxy will make the applied areas solid and prone to breaking when stretched.Īlso, if the material isn’t strong enough, stretching can cause it to become brittle and break. The curing or hardening period can either be rapid (a few minutes) or take a while (up to 24 hours), depending on the type of epoxy you use and the temperature in the surrounding environment. When they cure on a suitable object, epoxy bonds are powerful, which is why once the epoxy has solidified, it’ll be nearly impossible to break apart the pieces that you’ve stuck together. So, if your filament or print is not porous enough, the epoxy will peel straight off. It’s commonly paired with a curing agent that triggers the hardening of the epoxy, which results in a strong adhesive.Įpoxy works as an adhesive by penetrating the pores of a material’s surface and bonding with it. However, it won’t stick to nylon, TPU, polyethylene, polypropylene, Teflon, and certain kinds of plastics. That means that when exposed to air and differing temperatures, its form and properties change quickly due to a chemical reaction.Įpoxy sticks to various materials, including PLA, PETG, ABS, wood, glass, and aluminum. What Materials Does Epoxy Stick To?Įpoxy is a highly reactive and thermosetting compound called epoxide. The rest of this article will explain how epoxy sticks to PLA materials, the different kinds of epoxy, and how each epoxy type works. Because epoxy works so well with PLA prints, it is ideal for gluing your prints together or sealing them. PLA is porous enough that the epoxy creates a solid bond with it. However, epoxy doesn’t stick to everything, which begs the question – can you use epoxy on PLA?Įpoxy sticks to PLA. Epoxy is one of the most durable, long-lasting adhesives available on the market, and many people use it to glue pieces of 3D prints together or to seal up the inside of their printed objects. ![]()
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