Epoxy glue is a synthetic blend of an epoxy resin or polymer and a hardener used to bond or bond a variety of the same or dissimilar surfaces together with a strong, durable, and tough thermosetting bond that can withstand stress and extreme environmental conditions. Epoxy glue is also a filler that fills gaps while in a liquid state before chemically curing without shrinking.
Epoxy glue is available with the polymer and hardener in separate containers (two-part epoxy) or already mixed (one-part epoxy).
Epoxy glue is used interchangeably with the terms resin glue, epoxy adhesive, and bonding agent.
Epoxy Glue Explained in Detail
Although epoxy glue is widely known as a structural or engineering glue used in various industries, there are many other types of epoxy glues developed for a wide range of uses, including applications on common household items. It is the variety of possible formulations that makes epoxy glue exhibit suitable properties for a wide range of applications. The important thing is that users know their requirements for the job so that they can choose the right type of epoxy glue.
The single-component epoxy glue is available in a liquid state but pre-catalyzed, which means that the hardener is included in the formulation. Heat is required to this site activate the hardener and begin the curing process. One component epoxy adhesives glue cures faster than two component epoxy glue and eliminates mixing errors. Two component epoxy glue cures at room temperature once the epoxy resin and hardener are thoroughly mixed. The mixture will form a chemical bond with the surface it is in contact with. Curing may be complete after a few hours or days, depending on the formulation. Curing can be accelerated by applying heat.
In addition to curing time, other important factors to consider when choosing the most suitable epoxy glues are the following:
Surfaces to be bonded: metal to metal or metal to a non-metallic surface, such as wood, canvas, ceramic, rubber, plastic, and many more.
The environment to which the gasket will be exposed, such as water, acids, corrosive substances or solvents, high temperature and many more.
Bond strength or resistance to tension or loads as required in the manufacture of automobiles, bicycles, boats, snowboards, and more. Monocomponent epoxy glues have a higher resistance to stresses or loads (about 35 or 40 MPa) than bicomponent glues (greater than 30 MPa). Most epoxy glue manufacturers provide technical data sheets to guide buyers in choosing the most appropriate epoxy for their intended use.
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