How Strong is Epoxy?

Nick Shushan
By Nick Shusan , Epoxy Expert and the CEO of NYC Epoxy Flooring.

June 14, 2022

Various glues or adhesives exist on the market but none is as strong as epoxy. Epoxy remains one of the most perfect adhesives you can use. Whether it is for bonding metal, glass, or wood, it is effective and lasts for a long time. It is also used to fix broken objects, cracks, or chips on different materials. But how strong do you think epoxy is? This article enlightens you on some crucial details about epoxy and finds out how strong it truly is. 

What is Epoxy?

Epoxy or polyepoxide is a polymer that acts as fillers, adhesives, or a protective coating against any form of scratches. When it is in its liquid form, it is viscous but cures quickly when dried and applies to varieties of materials including wood, stone, glass, metal, stone, or concrete. In its basic form, epoxy consists of a liquid epoxy resin and a chemical hardener that hardens once it is cured. It is strong, resistant to chemicals, and dimensionally stable when it is fully hardened. Unlike other adhesives, epoxy offers varieties of advantages including exceptional strength, low cost, low toxicity, electrically insulative, adherence to different materials, shrinking minimally, and lots more. 

How strong is epoxy table?

How Strong is Epoxy?

When it comes to strength, epoxy remains exceptional out of many adhesives. It is effective for bonding different surfaces, repairing broken items, and curating new ones. Two components make epoxy strong. The first is the resin while the other is the chemical hardener. When these two components mix, a chemical reaction occurs and creates a strong adhesive. This is why epoxy remains an ideal choice for many projects that require lots of strength and even repairs. For instance, you can use it to create new furniture that can last for years or fix a broken item such as pottery. Since it is waterproof, you can also use it for various outdoor projects that will last for a long time. 

How Strong is a Two-Part Epoxy?

The two-part epoxy is incredibly strong. It is called two parts due to the mixture of two components to form epoxy – the base resin and hardener. To get the epoxy glue, you have to mix the resin and hardener in the desired ratio, whether by weight or volume. Once it is mixed, a chemical reaction occurs, thereby leading the epoxy glue to start curing. In other words, the mixture of the two components leads to a chemical reaction that starts to harden once it is applied to a project. 

They do not need heat before the bonding starts but do require moisture to create the desired result. Before you apply the epoxy to any material, you need to dampen the item first to ensure the bonding works properly. For instance, porous materials such as concrete or wood fibers consist of tiny pockets that absorb water molecules from the air surrounding them. Such materials use the water present in them to react effectively with the epoxy before hardening takes place. 

Is Epoxy Stronger than Super Glue?

Yes. Epoxy resin’s strength surpasses that of super glue as it doesn’t have the same components as the latter. Super glue consists of a single adhesive component but epoxy is a two-part system that requires two components (base resin and chemical hardener) to thoroughly mix before usage. When you mix the two components, a chemical reaction occurs and increases the strength of the adhesive. It reaches its maximum bonding power after 24 hours while maintaining the normal room temperature (70 degrees Fahrenheit).

Which Epoxy is the Strongest?

Different types of epoxy exist, with each having its strengths and weaknesses. What is more essential before usage is checking what the epoxy can perform. Why? Some epoxy is solely manufactured for specific materials. Examples include binding wood to wood or metal to metal. Nonetheless, the strongest type of epoxy is a two-part adhesive that comes in a bottle or tube. Before usage, you have to mix the two components to get the best result. 

Why Should I Use Epoxy for Bonding Materials?

Epoxy remains one of the strongest adhesives you can use to bond construction materials. Whether it is wood, plastic, or metal, it is very efficient and lasts for a long time. It can withstand water, stress, and other environmental factors. This makes it an ideal choice for bonding materials such as plastics, metals, or even woods. Since it is waterproof, you can use it for an outside project or in a wet environment without worrying about the effectiveness of its adherence. It works well in an environment with high levels of stress and lots of moisture such as boat repairs or in construction projects. When used correctly, epoxy can bond the materials and hold them together for a long period. 


Epoxy is a strong adhesive that will hold specific materials together despite the circumstances. Try it out for your construction work today and get the best result.