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ISO/FDIS 877-3

Plastics — Methods of exposure to solar radiation — Part 3: Intensified weathering using concentrated solar radiation

General information

50.20     Feb 20, 2026

ISO

ISO/TC 61/SC 6

International Standard

83.080.01  

Scope

ISO 877-3:2018 specifies a method for exposing plastics to concentrated solar radiation using reflecting concentrators to accelerate the weathering processes. The purpose is to assess property changes produced after specified stages of such exposures. The reflecting concentrators used in these exposures are sometimes referred to as "Fresnel reflectors" because in cross-section the array of mirrors used to concentrate the solar radiation resembles the cross-section of a Fresnel lens.
General guidance concerning the scope of the ISO 877 series is given in ISO 877‑1.
NOTE Additional information about solar concentrating exposures, including a partial list of standards in which they are specified, is given in the Bibliography.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 877-3:2018

NOW

PROJECT
ISO/FDIS 877-3
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Feb 20, 2026

National adoptions

dnaSRPS EN ISO 877-3:2023  
ISS

Plastics - Methods of exposure to solar radiation - Part 3: Intensified weathering using concentrated solar radiation (ISO/FDIS 877-3:2026)

50.20   Proof sent to secretariat or FDIS ballot initiated: 8 weeks

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