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GB/T 8424.2-2001 PDF English

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GB/T 8424.2-2001: Textiles -- Tests for colour fastness -- Instrumental assessment of relative whiteness
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GB/T 8424.2-2001English239 Add to Cart 3 days [Need to translate] Textiles -- Tests for colour fastness -- Instrumental assessment of relative whiteness

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Basic data

Standard ID GB/T 8424.2-2001 (GB/T8424.2-2001)
Description (Translated English) Textiles -- Tests for colour fastness -- Instrumental assessment of relative whiteness
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard W04
Classification of International Standard 59.080.01
Word Count Estimation 9,977
Date of Issue 2001-02-26
Date of Implementation 2001-09-01
Older Standard (superseded by this standard) GB/T 8425-1987
Quoted Standard GB/T 3979-1997; GB/T 5698-1985; GB/T 8424.1-2001
Adopted Standard ISO 105-J02-1997; MOD
Issuing agency(ies) State Quality and Technical Supervision
Summary This standard specifies: a quantitative assessment including fluorescent materials, including textile and light colors whiteness index measuring methods. Determined by this method whiteness appear as a Textiles shows the number of whiteness. Pale hue index is displayed as long wavelength 466nm- neutral colors other than zero reddish or greenish tint drift show number. Whiteness and light colors index calculated as recommended by the CIE (International Commission on Illumination). This standard applies to: similar textile samples for comparison. Formula only in the business sector as "white" the use of the sample, sample color fluorescent areas poor conductivity can not be too large, and the interval is not long measured on the same instrument intrinsic time. Even within these limited range of conditions, This formula provides it is only relative White evaluation, rather than absolute whiteness evaluation. Just use more advanced measuring instruments, technical conditions are right in the commercial and industrial, then this evaluation for the commercial and industrial Application is enough -. This standard applies

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