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GB/T 44035-2024: Imaging materials - Pictorial colour reflection prints - Methods for evaluating image stability under outdoor conditions
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| GB/T 44035-2024 | English | 434 |
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Imaging materials - Pictorial colour reflection prints - Methods for evaluating image stability under outdoor conditions
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GB/T 44035-2024
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Basic data | Standard ID | GB/T 44035-2024 (GB/T44035-2024) | | Description (Translated English) | Imaging materials - Pictorial colour reflection prints - Methods for evaluating image stability under outdoor conditions | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G81 | | Classification of International Standard | 37.040.99 | | Word Count Estimation | 22,24 | | Date of Issue | 2024-05-28 | | Date of Implementation | 2024-12-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 44035-2024: Imaging materials - Pictorial colour reflection prints - Methods for evaluating image stability under outdoor conditions
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 37:040:99
CCSG81
National Standards of People's Republic of China
Image material color photo outdoor image stability
Evaluation Method
(ISO 18930:2011, IDT)
Released on 2024-05-28
2024-12-01 implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Test Experiment 3
4:1 Accelerated aging test 3
4:2 Outdoor aging test 3
5 Significance and Use 4
5:1 Laboratory Accelerated Aging Test 4
5:2 Outdoor aging test 4
6 Instruments 4
6:1 Laboratory Accelerated Aging Test Equipment 4
6:2 Outdoor aging test 4
7 Interference 4
8 Test Time Considerations 5
8:1 Laboratory Accelerated Aging Test 5
8:2 Outdoor aging test 5
9 Safety Precautions 5
10 Test samples 6
10:1 Substrate, printing method, ink and post-processing 6
10:2 Test Image 6
10:3 Number of repetitions 6
10:4 Lamination and Encapsulation 6
10:5 Sample identification 7
10:6 Backings for test specimens during laboratory accelerated weathering 7
10:7 Preparation of samples for outdoor weathering tests 7
11 Condition 7
12 Exposure aging procedures and settings 7
12:1 Laboratory Accelerated Aging Test 7
12:2 Outdoor aging test 9
13 Step 9
13:1 Laboratory accelerated aging test and outdoor aging test steps 9
13:2 End 10
13:3 Laboratory accelerated aging test data report 10
13:4 Outdoor aging test data report 10
Appendix A (Normative) Laboratory Accelerated Aging Test Spectral Power Distribution 12
Appendix B (Informative) Using the endpoint to determine the failure time of the specimen 13
Reference 14
Foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents"
Drafting:
This document is equivalent to ISO 18930:2011 "Method for evaluating outdoor image stability of color photographs of imaging materials":
The following minimal editorial changes were made to this document:
--- Added notes to Tables A:1 and A:2 in Appendix A:
Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents:
This document was proposed by the China Petroleum and Chemical Industry Federation:
This document is under the jurisdiction of the National Technical Committee for Standardization of Photosensitive Materials (SAC/TC102):
The drafting units of this document are: Lucky Film Co:, Ltd:, Shantou Lucky Film Co:, Ltd:, and China Lucky Group Co:, Ltd:
The main drafters of this document are: Xuan Peng, Li Xiaojing, Liu Qian, Ren Mingshu, Zhao Lisi, Lü Shubao, Zhao Yanyan, Di Fei:
Introduction
Digitally printed images are exposed to outdoor applications in many cases and are subject to certain aging corrosion: This document specifies the test image stability
Standard test procedure for evaluating image stability after actual outdoor weathering or accelerated weathering in the laboratory:
The desire to obtain test results more quickly (than actual outdoor) led to the development of simulated weathering tests: However, accelerated corrosion weathering tests are only
Testing is only valuable when it is correlated with actual outdoor performance: Factors that can cause image quality degradation in outdoor testing include:
Including light, moisture, heat, ozone, local climate and day and night changes: In the accelerated simulation test, key factors such as light, moisture and heat are very important:
Yes: Using a xenon arc lamp with a daylight filter as the spectral power distribution simulation of sunlight has become the industry standard procedure for the most accurate simulation:
A xenon arc lamp and a "daylight" filter, combined with water spray and high temperature, form the basis of laboratory accelerated weathering testing:
The accelerated weathering test procedures described are intended to provide a means of predicting performance under actual outdoor exposure:
Image material color photo outdoor image stability
Evaluation Method
1 Scope
This document describes the test equipment and test procedures for testing the color stability of color images in outdoor conditions:
Instead, it provides a way to measure changes in images during image aging and indicates the images that should be reported:
The method enables the user to determine the test endpoint for the simulated effect:
This file is for images produced from digital print media: For example:
---Printing on coated paper, coated and uncoated transparent or opaque films, vinyl, polyester, synthetic paper and other plastic substrates
products, laminated and non-laminated printed photographs;
--- Dye-based and pigment-based inkjet printing of photographs using water-based, solvent-based, phase-change or ultraviolet (UV) curable inks;
---Thermal imaging dye transfer photos;
---Sublimation photos;
---Digitally printed dye diffusion transfer photos;
---Liquid and dry toner electrostatic printing photos;
---Liquid toner electrostatic printing photos;
---Digital prints made from traditional chromogenic and silver dye-fixed photographic materials;
---Color thermal imaging photos:
In these digital prints, the layout of ink is controlled by digital pixel information, and all the printing system's
There are settings and controls: In contrast, with many analog printing systems, the control of the ink layer thickness can be adjusted manually: Outdoor
The window graphics for indoor spaces, where sunlight is filtered by a layer of glass, comply with ISO 18937:
This document does not include procedures for testing the physical stability of images, supports, or binding materials: However, in some cases,
Stability, some physical changes of materials (such as support body becomes brittle, image layer cracks, or image layer falls off from support body, etc:) will determine the stability of photo materials:
The service life of the material:
Note: Image print stability results are determined by the printer model, ink set, print mode, print resolution, and media combination:
and/or media, and are not intended for images produced with other printer models, ink sets, print modes, print resolutions, and media combinations:
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document:
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document:
gy-Densitymeasurements-Part 3:Spectralconditions)
Note: GB/T 11501-2008 Photographic density measurement Part 3: Spectral conditions (ISO 5-3:1995, IDT)
ISO 13655 Graphic technology - Spectrum measurement and colorimetric calculation of image art
Note: GB/T 19437-2004 Printing technology Spectral measurement and colorimetric calculation of printed images (ISO 13655:1996, IDT)
ISO 11664-4 Colorimetry-Part 4: CIE1976 L*a*b* color space
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