GB/T 30669-2014 English PDF

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GB/T 30669-2014: Textiles -- Tests colour fastness -- Colour fastness to light yellowing
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 30669-2014	149	Add to Cart	2 days	Textiles -- Tests colour fastness -- Colour fastness to light yellowing	Valid

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Basic data

Standard ID: GB/T 30669-2014 (GB/T30669-2014)
Description (Translated English): Textiles -- Tests colour fastness -- Colour fastness to light yellowing
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: W04
Classification of International Standard: 59.080.01
Word Count Estimation: 5,592
Date of Issue: 12/31/2014
Date of Implementation: 6/1/2015
Quoted Standard: GB/T 250
Regulation (derived from): National Standards Bulletin 2014 No. 33
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Standard specifies the test methods for exposure to ultraviolet rays of the textile material light yellow color fastness. This Standard applies to all types of white textile material, other textile materials may refer to the use of light.

GB/T 30669-2014: Textiles -- Tests colour fastness -- Colour fastness to light yellowing

---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.
Textiles. Tests colour fastness. Colour fastness to light yellowing ICS 59.080.01 W04 National Standards of People's Republic of China Textiles Tests for color fastness light yellow color fastness Issued on. 2014-12-31 2015-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Textile Industry Association. The standard basis by the National Textile Standards Technical Committee of Standardization Technical Committee (SAC/TC209/SC1) centralized. This standard was drafted. Fiber Inspection Bureau of Fujian Province, China Textile Standard (Beijing) Inspection and Certification Center Co., Ltd. joeone, Ba Jin Men (Shanghai) Co., Ltd. The main drafters of this standard. Yu Xuefeng, Zhang Hui, Tony Lin, Xu Jingyun. Textiles Tests for color fastness light yellow color fastness

1 Scope

This standard specifies the test method for exposure to ultraviolet rays of textile materials, light yellow color fastness. This standard applies to all types of white textile materials, other materials may refer to the use of light-colored textiles.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 250 textile color fastness test assessing change in color like the gray card

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Light yellowing lightyelowing White textile material surface color from yellowing caused by UV radiation phenomena. Principle 4 Samples under UV irradiation after a certain period of time, and non-irradiated samples were compared with assessing change in color gray color sample card assessment process Degrees, thereby determining the ability of textile materials under irradiation of light yellowing in ultraviolet light.

5 Equipment and Materials

5.1 Device 5.1.1 chamber. Non-reflective inner surface of the inert material, equipped with timing device, the light source is UV-A340 lamp or UV-A340 group Combined lamps, lamp wavelength 320nm ~ 400nm, and to ensure that the specimen sample holder can even accept the irradiance, irradiance from the light source is not the farthest position 90% lower than in the center of the irradiation intensity. 5.1.2 irradiance can be adjusted individually or with a measuring range of 300nm ~ 400nm, irradiance of 0.5W/(m2 · nm) ~ 1.0W/(m2 · nm) Radiometer. 5.2 Evaluation of color like the gray card In line with GB/T 250 requirements.

6 Sample preparation

6.1 Each sample was prepared in three samples. ......

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