Glossary of Terms - R

Alphabetical index of marine painting terms used in the construction, maintenance and repair of boats.

Reactor

Curing agent, catalyst, activator, accelerator, hardener.

Recyclable

A material that can be reprocessed and reused following its initial use. Many metals and plastics are recyclable and many regions have the infrastructure in place to reprocess the materials

Reflectance

Degree of light reflection.

Resin

A material, natural or synthetic, contained in varnishes, lacquers, and paints ; the film former.

Runs

Paint film defects in the form of sagging paint in narrow ribbons flowing downwards on vertical surfaces, usually caused by applying the coating above the recommended film thickness or overthinning.

Rust

A reddish-brown oxide coating forming on iron or steel by the action of oxygen and moisture.