21/30425882 DC

This standard 21/30425882 DC BS ISO 5154. Decorative metallic coatings for radio wave transmissive application products. Designation and characterization method is classified in these ICS categories:

• 25.220.40 Metallic coatings

This document specifies the designation and the characterization methods of the decorative metallic coatings of the products for radio wave transmissive application. The designation consists of the transmission loss of the radio wave, the frequency band of the radio wave under consideration, the lightness and hue of the parts, as well as the main material and manufacturing process of metallic coatings. The characterization methods consist of the determination of the transmission loss of radio wave with specific frequency band and the evaluation of lightness and hue which represent the colour and appearance.