hardener in a sentence

Definition

A hardener is a substance added to materials like epoxy resin or concrete to accelerate the curing process and enhance durability and strength.

The artist added a hardener to the epoxy resin to ensure a durable finish.
In the construction industry, using a hardener can significantly improve the strength of concrete.
She carefully mixed the hardener into the paint to achieve a glossy and long-lasting surface.
The manufacturer recommended a specific hardener for optimal bonding in their adhesive products.
To ensure the longevity of the flooring, the contractor applied a hardener to the surface after installation.