BSI PD ISO/TS 21139-21:2019

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Permanence and durability of commercial prints – In-window display. Light and ozone stability

Published By	Publication Date	Number of Pages
BSI	2019	24

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Categories: 37.040.20 - Photographic paper, films and plates. Cartridges, BSI

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This document describes the test method for light stability and ozone stability for commercial prints, which are displayed in indoor bright places in or near to windows, especially in display windows with air conditioning.

This document also provides guidelines for data analysis.

This document is applicable to the various product classes of “ commercial prints” that, following the terminology of ISO/TR 19300, include commercial production prints (flyers, brochures), transactional and stationary prints, signage, newspapers and periodical prints, book printing as well as packaging printing. These commercial prints often contain combinations of text, pictorial images and/or artwork. Prints for non-commercial use, including prints used and displayed in consumer home environments and prints exhibited or stored in museum context, are outside the scope of this document.

This document is applicable to both analogue and digitally printed matter. Methods and principles apply to both, colour and monochrome prints.

PDF Catalog

PDF Pages	PDF Title
2	National foreword
6	Foreword
7	Introduction
9	1 Scope 2 Normative references 3 Terms and definitions
10	4 Use profile 4.1 General 4.2 Environmental light condition 4.3 Environmental ozone condition 5 Test method 5.1 General
11	5.2 Sample preparation 5.2.1 Outline 5.2.2 Test target 5.2.3 Storage conditions between printing and light or ozone exposure test 5.2.4 Reference samples 5.2.5 Backing of the specimens 5.3 Light exposure 5.3.1 Outline 5.3.2 Spectral power distribution
12	5.3.3 Light intensity 5.3.4 Temperature and humidity 5.3.5 Duration of the light exposures 5.4 Ozone test 5.4.1 Outline 5.4.2 Apparatus 5.4.3 Test procedure 5.4.4 Test conditions
13	6 Measurement 6.1 General 6.2 Measurement conditions 6.3 Calculation of colour difference
14	7 Data analysis 7.1 General 7.2 Image quality parameter for data analysis 7.3 Environmental conditions
15	7.4 Estimation of time to reach certain change 8 Reporting
16	Annex A(informative) Display window type and lighting design
18	Annex B(informative) Example of test results
22	Bibliography