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What is Epoxy Resin?

Dana Hinders
By
Updated May 17, 2024
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Epoxy resins are created by transforming liquid polyethers into infusible solids through a special curing process. In most cases, resins are the result of a chemical reaction between epichlorohydrin and bisphenol-A. Overall, the creation of epoxy resin is part of an industry that generates over $15 billion US Dollars annually.

Epoxy resins have many different uses. For example, resins that are cured through exposure to ultraviolet light are commonly used in fiber optics, optoelectronics, and dentistry. Industrial tooling applications use them to make laminates, castings, fixtures, and molds. In the electronics industry, they can be used to make insulators, transformers, generators, and switchgear.

Around your home, epoxy resin can be valuable for repairing china, pottery, glass, wood, metal, and leather objects. It has a very strong and highly durable bond after it has set properly. These resins can be used as repair material for marine applications, but they should not be applied on the outer layer of a boat because UV light exposure will eventually cause the resin to deteriorate.

Additionally, epoxy resin is valuable as a crafting supply. People who enjoy making miniatures sometimes use this material to simulate water when creating beach and ocean scenes, although smaller amounts of resin can be used to design replicas of soups, liquid drinks, and fishbowls to be used in a child's dollhouse. Jewelry makers use epoxy resin to create necklaces, pins, bangles, bracelets, earrings, and rings that feature embedded glitter for a fun effect.

Epoxy resin can be purchased from most craft stores, hobby shops, hardware stores, and marine supply outlets. Most types are clear, but you can tint the mixture with oil paints if desired.

When using epoxy resin, it's important to follow certain safety precautions. You should work in a well-ventilated area and avoid inhaling the product's fumes. You should also wear goggles and gloves to protect your eyes and skin.

Rubbing alcohol can be used to clean up spills or wipe excess resin from your tools when your project is complete. Vinegar is also safe to use as a solvent to clean epoxy from your tools, brushes, or skin.

About Mechanics is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.
Dana Hinders
By Dana Hinders , Writer
With a B.A. in Journalism and Mass Communication from the University of Iowa, Dana Hinders brings a strong foundation to her work as a freelance writer. After discovering her passion for freelance writing following the birth of her son, Dana has been a vital part of the About Mechanics team. She also showcases her versatility by creating sales copy and content for e-courses and blogs.

Discussion Comments

By anon154442 — On Feb 21, 2011

Is epoxy resin resistant to alcohol once cured?

By Denha — On Jan 26, 2011

@anon65487, there are many different products on the market with epoxy resin in them that can be used to fuse together cracks in concrete pavement and similar materials. You should probably look around and ask for advice from experienced people in the field before you buy.

By anon65487 — On Feb 13, 2010

How can cracked concrete pavement be repaired with the help of liquid epoxy resin?

Dana Hinders

Dana Hinders

Writer

With a B.A. in Journalism and Mass Communication from the University of Iowa, Dana Hinders brings a strong foundation to...
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