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冷热冲击试验箱ASTM F1945-05标准介绍

2018-12-25

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ASTM F1945-05标准介绍

曝露在室内荧光灯下喷墨印刷品光稳定性测定的标准测试方法:

本测试方法规定了旨在测定办公室环境下喷墨印刷品光稳定性的加速程序,该环境中用作照明的是头顶上的荧光灯。


ASTM F1945-05英文摘录


1. Scope

1.1 This practice covers an accelerated procedure intended to determine the lightfastness of ink jet prints in office environments where overhead fluorescent light is used for illumination.

1.2 This practice describes two methods based on Method II and Method III from D4674, in which specimens are exposed to cool white VHO fluorescent lamps (Method II) and cool white fluorescent lamps (Method III) under controlled environmental conditions.

1.3 Two criteria are used to determine relative lightfastness: color change and optical density.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 8.

1.5 There is no known ISO equivalent standard.


2. Referenced Documents ASTM Standards

D1729 Practice for Visual Appraisal of Colors and Color Differences of Diffusely-Illuminated Opaque Materials

D2244 Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates

D3424 Practice for Evaluating the Relative Lightfastness and Weatherability of Printed Matter

D4674 Practice for Accelerated Testing for Color Stability of Plastics Exposed to Indoor Office Environments

G113 Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials

G141 Guide for Addressing Variability in Exposure Testing of Nonmetallic Materials

G151 Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources

G154 Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials


▼ASTM F1945-05第三方检测机构

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