Construction, standards and environment
UV
Abbreviation for ultraviolet
In short and in plain language
UV light is a part of sunlight that you cannot see.
Over time it can make plastics, sheets and coatings outdoors brittle.
It can also make them fade.
Definition
Ultraviolet radiation is an invisible part of sunlight. Over time it can make plastics, membranes and coatings outdoors brittle or faded.