BS EN ISO 4892-1. Plastics. Methods of exposure to laboratory light sources. Part 1. General guidance Plastics & rubber technology, Plastics, Optical properties of materials, Weathering, Colorimetric characteristics, Polymers, Artificial ageing tests, Artificial weathering tests, Environmental testing, Light, Laboratory testing, Ultraviolet radiation, Electromagnetic radiation, Temperature, Accelerated testing, Wavelengths, Humidity, Test specimens, Specimen preparation, Storage, Precision, Irradiation, Illuminance, Reports