something that breaks down after a period of time when exposed to sunlight.

capable of decomposing when exposed to light.

A material, usually plastic, that can degrade as a result of exposure to natural sunlight.

Capable of decomposing when exposed to ultraviolet rays from the sun.

A material which undergoes destruction of its chemical structure when exposed to light. Typically, the materials become brittle with time and fragment into small pieces or powder.

Capable of being broken down by ultraviolet (UV) light.

A process where ultraviolet radiation degrades the chemical bond or link in the polymer or chemical structure of a plastic. See also: Degradability.