DB4401/T 78-2020
Technical specifications for the quality of school uniforms for primary and secondary schools and kindergartens (English Version)

Standard No.

DB4401/T 78-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

Guangdong Provincial Standard of the People's Republic of China

Latest

DB4401/T 78-2020

Replace

DBJ440100/T 279-2017

Scope

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of uniforms for primary and secondary schools and kindergartens. This standard applies to uniform clothing for daily wear by kindergarten children (aged 3 and above) and primary and secondary school students (including technical and vocational school students) produced in batches with textile fabrics as the main material.

DB4401/T 78-2020 Referenced Document

• FZ/T 20011-2006 Test method for determining the angle of spirality in knitted wool garments
• FZ/T 70009-2012 Test method for relaxation dimensional change and felting dimesional change to washing of wool textiles
• FZ/T 73018-2012 wool knitwear
• FZ/T 80007.3 Test method fordrycleaning resistance of garments used adhesive interlining*， 2023-12-20 Update
• GB 18383 General Technical Requirements for Fibrillated Fiber Products*， 2025-12-02 Update
• GB 18401 National general safety technical code for textile products
• GB 31701 Safety technical code for infants and children textile products
• GB/T 12490-2014 Textiles.Tests for colour fastness.Colour fastness to domestic and commercial laundering
• GB/T 1335.1 Standard sizing system for garments.Men
• GB/T 1335.2 women's clothing size
• GB/T 1335.3 Standard sizing systems for garments.Children
• GB/T 13773.1 Textiles.Seam tensile properties of fabrics and made-up textile articles.Part 1:Determination of maximum force to seam rupture using the strip method
• GB/T 14272 羽绒服装*， 2026-04-26 Update
• GB/T 14576 Textiles.Tests for colour fastness.Colour fastness to light of textiles wetted with artificial perspiration
• GB/T 17592 Textiles Determination of banned azo dyes*， 2024-03-15 Update
• GB/T 19976 Textiles.Determination of bursting strength.Steel ball method
• GB/T 22704-2008 Code of practice for the design and manufacture of children's clothing to promote mechanical safety
• GB/T 23319.3 Textiles.Determination of spirality after laundering.Part 3:Woven and knitted garments
• GB/T 23344 Textiles-Determination of 4 aminoazobenzene
• GB/T 250 Textiles.Tests for colour fastness.Grey scale for assessing change in colour
• GB/T 2910 Textile--Binary fibre mixtures--Quantitative chemical analysis
• GB/T 2912.1 Determination of formaldehyde in textiles
• GB/T 29862 Textiles—Identification of fibre content
• GB/T 31127-2014 Textiles.Tests for colour fastness.Colour fastness to transfer in joints
• GB/T 31888-2015 School uniforms of primary and secondary students
• GB/T 3920 Fabric colorfastness test rubbing colorfastness*， 2024-12-31 Update
• GB/T 3921-2008 Textiles.Tests for colour fastness.Colour fastness to washing with soap or soap and soda
• GB/T 3922 Textiles.Tests for colour fastness.Colour fastness to perspiration
• GB/T 3923.1 Textiles.Tensile properties of fabrics.Part 1:Determination of maximum force and elongation at maximum force using the strip method
• GB/T 4802.1-2008 Textiles.Determination of fabric propensity tosurface fuzzing and topilling.Part 1: Circular locus method
• GB/T 4802.3 Textiles.Determination of fabric propensity to surface fuzzing and to pilling.Part3:Pilling box method
• GB/T 4841.3 Colour cards of standard depths for dyeing with dyestuffs 2/1、1/3、1/6、1/12、1/25
• GB/T 5296.4 Instructions for use of products of consumer interest - Part 4: Textiles and apparel
• GB/T 5711 Textiles.Tests for colour fastness.Colour fastness to drycleaning using perchloroethylene solvent
• GB/T 5713 Textiles.Tests for colour fastness.Colour fastness to water
• GB/T 6411 Knitted Underwear Size Specifications and Series
• GB/T 7573 Determination of pH value of aqueous extracts of textiles*， 2025-02-28 Update
• GB/T 7742.1 Textiles.Bursting properties of fabrics.Part 1: Hydraulic method for determination of bursting strength and bursting distension
• GB/T 8427-2008 Textiles.Tests for color fastness.Color fastness to artificial light:Xenon arc fading lamp test
• GB/T 8629-2017 Textiles—Domestic washing and drying procedures for textile testing
• QB/T 2171 Metal zipper
• QB/T 2172 Derlin zipper
• QB/T 2173 Nylon zipper

DB4401/T 78-2020 history

• 2020 DB4401/T 78-2020 Technical specifications for the quality of school uniforms for primary and secondary schools and kindergartens

Standard and Specification