scope:

This European standard is applicable to the optical performance of untreated or coated materials supplied in plane sheet or strip form for use as a plane or formed reflector as well as preformed reflectors both as originally produced and after prescribed tests to determine probable maintained performance in service. This includes:

a) untreated base materials, including:

1) aluminium,

2) steel,

3) plastic,

4) glass.

b) surface treated materials, including:

1) polished materials,

2) anodised materials,

3) vacuum metallised materials,

4) painted materials,

5) multilayer systems.

This European Standard is not applicable to fluorescent materials.