Plastics - Instrumental determination of radiant exposure in weathering tests - General guidance and basic test method
ISO 9370:2017 specifies methods for the instrumental measurement of irradiance on a planar surface. This includes not only natural solar radiation but also intensified natural solar radiation and radiation produced by laboratory light sources.
For measurement of solar radiation for natural weathering and accelerated natural weathering, instrumental techniques include:
For measurement of radiation in artificial accelerated weathering or artificial accelerated irradiation exposures, instrumental techniques include:
ISO 9370:2017 does not specify procedures using blue-wool standards, chemical actinometry or polymeric or other film dosimetry.
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