V

Viscosity

Resistance to flow.

Voids

Empty pockets where not intended.

Volume Change

Increase or decrease in the size of a specimen expressed as a percentage of original volume. Generally associated with immersion of elastomer samples in various chemical agents.

Volume Swell

A term generally used to describe the increase in physical size of a specimen immersed in a particular chemical agent.

Vulcanization

The heat induced cross linking (curing) of polymer chains, converting basic visco-elastic liquids into three-dimensional networks of flexible, elastomeric chains (the molded rubber product).