IEC 62862-3-6-ed.1.0

Detail information

Designation: IEC 62862-3-6-ed.1.0

Publication date: 19/02/2026

Pages: 24

Country: International technical standard

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Anotation

CORRECTED VERSION 2026-02 IEC 62862-3-6:2026 specifies laboratory test methods to assess the durability of silvered-glass reflectors with high technical performance to be used in concentrating solar technologies. The reflectors within the scope of this document are composed of a float-glass substrate and a reflecting silver layer on its back-side, which is protected by a thin copper layer and an anticorrosive paint system composed of a primer and a top coating, and an optional intermediate coating. This document defines multiple accelerated aging tests on reflector samples of size of 10 cm × 10 cm or larger. It defines the measurement methods to determine the degradation parameters used for assessment and the acceptance criteria of the accelerated aging tests. Annex A of this document outlines the procedure to apply this document to reflector types of different composition than that of the silvered float-glass reflectors described above. Annex B provides information on how to approximately correlate the measured degradation of selected accelerated aging tests with outdoor exposure in different environments. These correlations are limited to silvered float-glass reflector types with the abovementioned layer stack, since differing coating types are likely to introduce unforeseen degradation modes, which possibly will not be triggered under the proposed testing conditions. This corrected version of IEC 62862-3-6:2026 incorporates the following correction: – Addition of bibliographic reference numbers in the content