BS 2782-5:METHOD 540B:1982, ISO 4

BS 2782-5:METHOD 540B:1982, ISO 4 Methods of testing plastics. Optical and colour properties, weathering. Methods of exposure to laboratory light sources, (xenon arc lamp, enclosed carbon arc lamp, open-flame carbon arc lamp, fluorescent tube lamps)

standard by BSI Group, 02/26/1982