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Overview ISO/TS 21139-21:2019 - Permanence and durability of commercial prints - Part 21: In-window display - Light and ozone stability defines a practical test method and data-analysis guidelines fo…
Overview ISO/TS 21139-22:2023 specifies test methods for assessing the light stability (lightfastness) of commercial prints intended for backlit display in indoor or shaded outdoor conditions. It app…
Overview - ISO/TS 21139-1:2019 (commercial prints permanence & durability) ISO/TS 21139-1:2019 provides guidance for assessing the permanence and durability of commercial prints by defining practical…
What is ISO/TS 21139 ‑ 1 about? ISO/TS 21139 ‑ 1 defines use profiles for commercial prints in terms of typical environmental stress factors and any mechanical and chemical stress factors to be consi…
What is ISO/TS 21139 ‑ 21 about? ISO/TS 21139 ‑ 21 describes the test method for light stability and ozone stability for commercial prints, which are displayed in indoor bright places in or near to w…