What is a thermoset? A Short Explanation.

A thermosetting resin, or thermoset, is a polymer which cures or sets into a hard shape using curing method such as heat or radiation. The curing process is irreversible as it introduces a polymer network cross linked by covalent chemical bonds.

Upon heating, unlike thermoplastics, thermosets remain solid until temperature reaches the point where thermoset begins to degrade.

Phenolic resins, amino resins, polyester resins, silicone resins, epoxy resins, and polyurethanes (polyesters, vinyl esters, epoxies, bismaleimides, cyanate esters, polyimides and phenolics) are few examples of thermosetting resins.

Among them epoxies are one of the most common and widely used thermosets today in structural and specialty composites uses. Due to their high strength and rigidity (as of high degree of crosslinking), epoxy thermoset resins are adaptable to nearly any use.


Horizon Epoxy Floor, as a company of many years of experience in this field, has been doing the best to make the customers happy and satisfied. In case you are interested or you have any question we will be highly glad to hear from you.

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