This standard specifies the limit values, test methods and determination rules for formaldehyde content in textiles. This standard applies to textiles and textile products. Products with special uses can be implemented in accordance with relevant agreements or regulations. GB 18401-2001 Limitation of formaldehyde content in textiles GB18401-2001 Standard download and decompression password: www.bzxz.net

GB18401-2001 | good. However, during the processing, wearing or use of these textiles and their products, the formaldehyde on the products will have adverse effects on the human body. Therefore, limiting the formaldehyde content in textiles is of great significance to protecting the human health of producers and consumers of textiles and clothing.
This standard stipulates formaldehyde content limit values ??based on the end-use classification of textiles. The test method adopts GB/T2912.1-1998 "Determination of formaldehyde in textiles - Part 1: Free hydrolyzed formaldehyde (water extraction method)". This standard was proposed by the former State Textile Industry Bureau. This standard is under the jurisdiction of the National Textile Standardization Technical Committee. This standard is drafted by the Textile Industry Standardization Institute, the State Entry-Exit Inspection and Quarantine Bureau, the Guangdong Entry-Exit Inspection and Quarantine Bureau and the Shanghai Entry-Exit Inspection and Quarantine Bureau.
The main drafters of this standard: Zheng Yuying, Lu Weimin, Dong Hongming, Song Xiushun, Hao Yilei. 1 Scope
National Standard of the People's Republic of China
Limitations of formaldehyde content in textiles
Textiles-Limit to formaldehyde content This standard specifies the limit values, test methods and judgment rules for formaldehyde content in textiles . GB18401-2001
This standard applies to textiles and textile products. Products with special uses can be implemented in accordance with relevant agreements or regulations. 2 Referenced standards
The provisions contained in the following standards constitute provisions of this standard by being quoted in this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties using this standard should explore the possibility of using the latest version of the standard listed below. GB/T2912.1-1998 Determination of formaldehyde in textiles Part 1: Free hydrolyzed formaldehyde (water extraction method) GB/T8629-2001 Home washing and drying procedures for textile testing 3 Product classification
3.1 According to the product End uses are divided into four categories, including fabrics and trims used to process these products. 3.1.1 Products for infants and young children: refers to textiles and textile products used by infants and young children under 24 months of age. That is, products that are clearly judged to be for infants based on product features, size, or specifications; or products that are clearly intended for infants in the instructions for use, advertisements, or at the time of sale.
3.1.2 Products in direct contact with skin: Textiles and textile products in which most of the area of ??the product is in direct contact with human skin when worn or used.
3.1.3 Products not in direct contact with skin: Textiles or textile products that do not come into direct contact with human skin when worn or used, or only a small part of the product is in direct contact with human skin. . 3.1.4 Indoor decoration products: textiles and textile products used indoors (including cars, ships, airplanes, etc.). 3.2 Specific products are divided according to their end uses. Table 1 gives examples of typical uses of each type of product. Table 1 Examples of uses of various products
Type
Infant category
Direct contact with skin category||Indirect skin contact category
Interior decoration category| |tt||4 Formaldehyde content limit value
Examples of typical uses
Diapers, diapers, underwear, mouths, pajamas, gloves, socks, tops, outerwear, hats, bedding, bras, belly Belts, knitted underwear, shirts, pants, skirts, pajamas, socks, sheets, quilts, sweaters, outerwear, skirts, pants
The formaldehyde content of tablecloths, curtains, sofa covers, bedspreads, wall coverings, textiles and textile products should be Comply with the requirements of Table 2. Approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China on 2001-08-06 and implemented on 2003-01-01
5 sampling
Type
Infant and young children
Direct contact with skin Category
Non-direct contact with skin category
Interior decoration category
GB18401—2001
Table 2 Formaldehyde content limit value
5.1 According to relevant product regulations or both parties The agreement shall be executed, otherwise it shall be executed according to 5.2~5.5. Formaldehyde content, mg/kg
20www.bzxz.net
75
300
300
5.2 Randomly select samples from each batch of products, 1 of each color samples, but take at least 3 samples per batch. 3 Take samples at least 2m away from the end of the cloth. The size of each sample is the entire width with a length of not less than 0.5m. 5.3
5.4 A single piece of clothing or products shall be considered as one sample. 5.5 After the sample is taken, it should be sealed and placed without any processing. 6 Test methods
6.1 Determination of formaldehyde content according to GB/T2912.1. 6.2 For products marked with "wash before use" in the instructions for use, wash once using procedure 8A in GB/T8629 and dry using method A, and then measure the formaldehyde content according to GB/T2912.1.
7 Judgment Rules
If the test result of a sample exceeds the limit value in Table 2, the entire batch of products will be judged to have unqualified formaldehyde content.
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