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This standard was drafted according to GB/T 1.1-2009.
This standard replaces "Knitted Garment and Adornment for Infant" (FZ/T 73025-2006).
Compared with FZ/T 73025-2006, the main technical changes in this standard are as follows:
- The normative references were adjusted (see Chapter 2 of 2006 edition and this edition);
- The stature of infant was adjusted (see Article 3.1.1 in 2006 edition and this edition);
- The extractable heavy metal content, burning behavior, safety and splicing and cross dyeing items were added (see Article 4.2.1 in 2006 edition and this edition);
- The acceptable product grades were added (see Article 4.2.1 in 2006 edition and this edition);
- The size change rate by water washing and color fastness to soaping indexes were adjusted (see Article 4.2.1 in 2006 edition and this edition);
- The sewing strength requirements were adjusted (see Article 4.2.1 in 2006 edition and this edition);
- The Appendix requirements were adjusted (see Article 4.3.5.3 in 2006 edition and this edition);
- The sewing requirements were adjusted (see Article 4.3.5.4 in 2006 edition and this edition);
- The instruction was adjusted (see Chapter 7 in 2006 edition and this edition).
This standard was proposed by China National Textile and Apparel Council.
This standard is under the jurisdiction of Technical Subcommittee on Knitwear of the Technical Committee on Textiles of Standardization Administration of China (SAC/TC 209/SC 6).
Drafting organizations of this standard: Ningbo Shenzhou Knitting Co., Ltd., Jinfa Labi Maternity & Baby Articles Co., Ltd., Guangdong Pepco Clothing Co., Ltd., Zhejiang Honghuanglan Garment Co., Ltd., National Quality Supervision and Inspection Center of Knitted Products, Shanghai Three Gun (Group) Co., Ltd., Wuhan Aidi High Class Garment Co., Ltd., Qingdao Jifa Group Co., Ltd., Qingdao Xueda Group Co., Ltd., Bureau Veritas Consumer Products Services Jiangsu Co., Ltd., Jilin Province Northeast Stock-making Industry Zone Development Co., Ltd and Centre Testing International Co., Ltd.
Chief drafting staff of this standard: Yang Shujuan, Lin Ruowen, Zeng Ronghua, Ye Xiandong, Liu Fengrong, Xue Jifeng, Hu Ping, Wang Hongying, Wang Xianqi, Gao Ming, Qi Shaoxin and Kong Lei.
The previous edition of standard replaced by this standard is as follows:
- FZ/T 73025-2006.
Knitted Garment and Adornment for Infant
嬰幼兒針織服飾
1 Scope
This standard specifies term and definition, size designation and specification, requirements, test methods, judgment rules, product instructions, packaging, transportation and storage of knitted garment and adornment for infant.
This standard is applicable to identify products of knitted garment and adornment for infant with main material of knitted fabric, including underwear (sleeve), outerwear, pajamas, cover all, trousers, socks, foot cover, hat, bib, belly wear, gloves, sleeping sack, wrap and bedding.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies.
GB/T 250 Textiles - Tests for Color Fastness - Grey Scale for Assessing Change in Color
GB/T 251 Textiles - Tests for Color Fastness - Gray Scale for Assessing Staining
GB/T 1335.3 Standard Sizing Systems for Garments - Children
GB/T 2910 (All Parts) Textiles - Quantitative Chemical Analysis
GB/T 2912.1 Textiles - Determination of Formaldehyde - Part 1: Free and Hydrolyzed Formaldehyde (Water Extraction Method)
GB/T 3920 Textiles - Tests for Color Fastness - Color Fastness to Rubbing
GB/T 3921-2008 Textiles - Tests for Color Fastness - Color Fastness to Washing with Soap or Soap and Soda
GB/T 3922 Textiles - Testing Method For Color Fastness to Perspiration
GB/T 3923.1 Textiles - Tensile Properties of Fabrics - Part 1: Determination of Breaking Force and Elongation at Breaking Force - Strip Method
GB 5296.4 Instructions for Use of Products of Consumer Interest - Part 4: Textiles and Apparel
GB/T 5713 Textiles - Tests for Color Fastness - Color Fastness to Water
GB/T 6411 A series of Size of Knitted Underwear
GB/T 7573 Textiles - Determination of pH of the Aqueous Extract
GB/T 8878 Cotton Knitted Underwear
GB 9994 Conventional Moisture Regains of Textiles
GB/T 14644 Textile Fabrics - Burning Behavior - the 45° Test Determination of Flame Spread Rate
GB/T 17592 Textiles - Determination of the Banned Azo Colorants
GB/T 17593.1 Textiles - Determination of Heavy Metals - Part 1: Atomic Absorption Spectrophotometry
GB/T 17593.2 Textiles - Determination of Heavy Metals - Part 2: Inductively Coupled Plasma Atomic Emission Spectrometry
GB/T 17593.3 Textiles - Determination of Heavy Metals - Part 3: Chromium(VI) Spectrophotometry
GB/T 17593.4 Textiles - Determination of Heavy Metals - Part 4: Arsenic and Mercury-atomic Fluorescence Spectrophotometry
GB 18401 National General Safety Technical Code for Textile Products
GB/T 18886 Textiles - Tests for Fastness-Color Fastness to Saliva
GB/T 22702 Standard Safety Size for Drawstrings on Children's Upper Wear
GB/T 22705 Safety Specifications for Cords and Drawstrings on Children’s Clothing
GB/T 24121 Textile Products - Determination of the Remains of Broken Sewing Needle
FZ/T 01026 Textiles - Quantitative Chemical Analysis - Quaternary Fiber Mixtures
FZ/T 01053 Textiles - Identification of Fiber Content
FZ/T 01057 (All Parts) Test Method for Identification of Textile Fibers
FZ/T 01095 Textile - Test Method of Elastane Fiber Content
FZ/T 80002 Marking, Packaging, Transportation and Storage for Garments
GSB 16-2159 Knitwear Standard Depth Scale (1/12)
GSB 16-2500 Colorful Sample Photos of Surface Defect on Knitted Fabrics
3 Term, Definition and Size Designation
3.1 Term and Definition
For the purpose of this standard, the following term and definition apply.
3.1.1 Knitted garment and adornment for infant
Knitted garment and adornment for infant not older than 36 months and the one with stature less than or equal to 100cm height.
3.2 Product size designation and specification
The size designation of the knitted garment for infant (underwear, outerwear, cover all and pajamas) shall be implemented according to GB/T 6411 or GB/T 1335.3; other products shall be marked of their specifications of major positions by reference to corresponding standard or voluntarily designed by the manufacturer.
4 Requirements
The requirements of knitted garment and adornment for infant are divided into inherent quality and appearance quality; the former includes fiber content, formaldehyde content, pH value, odor, decomposable carcinogenic aromatic amine dyes, extractable heavy metal content, burning behavior, size change rate by water washing, sewing strength, color fastness (to saliva, water, soaping, perspiration and rubbing), safety and splicing and cross dyeing indexes while the latter includes the indexes of surface defect, specification and size deviation, size difference in itself, accessory material and sewing requirements.
4.1 Grading requirements
4.1.1 The quality grade of knitted garment and adornment for infant is classified into high-grade product, first-grade product and acceptable product.
4.1.2 The inherent quality is graded by batch while the appearance quality is graded by piece, according to combination of which, the minimum grade prevail.
4.2 Inherent quality requirements
4.2.1 See Table 1 for inherent quality requirements.
Table 1 Inherent Quality Requirements
Item High-grade product First-grade product Acceptable product
Fiber content/% Implemented according to FZ/T 01053
Formaldehyde content/(mg/kg) Implemented according to GB 18401 A
pH value
Odor
Decomposable carcinogenic aromatic amine dyes/(mg/kg)
Extractable heavy metal /(mg/kg)≤ Stibium 30.0
Arsenic 0.2
Lead 0.2
Cadmium 0.1
Chrome 1.0
Chromium(VI) Lower than the detection limit a
Cobalt 1.0
Copper 25.0
Nickel 1.0
Hydrargyrum 0.02
Burning behavior Non-suede fabric Flame spread time ≥3.5s
Suede fabric Flame spread time>7s, or flashover time within 0~7s; however, the backing is not ignited or fused.
Size change rate by water washing /% Longitudinal and horizontal -5.0~+1.5 -6.0~+2.5
Sewing strength /N ≥ Belt 70
Button 50
Color fastness/grade ≥ Fastness to saliva (discoloration or staining) 4 4 4
Fastness to water (discoloration or staining) 4 3-4 3-4
Fastness to soaping (discoloration or staining) 4 3-4 3
Fastness to perspiration (discoloration or staining) 4 3-4 3-4
Fastness to dry rubbing 4 4 4
Fastness to wet rubbing 3-4 3 2-3
Safety Safety requirements for drawstrings on children's upper wear Implemented according to GB/T 22702
Safety specifications for cords and drawstrings on children’s clothing Implemented according to GB/T 22705
Accessories like button, ornament and zipper Shall be free from burr, accessible sharp edge and sharp tip and other defection.
Residual metal needle The finished product shall be free from metal needle
Splicing and cross dyeing degree/grade ≥ 4-5 4 4
Note: the color code is classified according to the requirements of GSB 16-2159 with the standard depth greater than 1/12 as dark color and that less than or equal to 1/12 as light color.
a Acceptable limit: 0.5mg/kg for chromium (VI).
4.2.2 For combinatorial packed product, if the adopted fabrics are identical, it will be permissible to select only a representative product for the inherent quality inspection.
4.2.3 Only textile material is assessed for the extractable heavy metal content.
4.2.4 Only ready-to-wear (underwear, outerwear, pajama and cover all), bedding, shorts; and short skirts are assessed for size change rate by water washing; other products are not assessed.
4.2.5 The horizontal size change rate by water washing of elastic fabric is not assessed.
Note: elastic fabric refers to fabric added with elastane fiber or leno fabric.
4.2.6 The snap button and popper are not assessed for sewing strength.
4.2.7 Flame-retardant finishing agent shall not be used for products for infants.
4.2.8 For the items which are not mentioned but required by national mandatory standard, they shall be carried out according to the requirements of such standard.
4.2.9 The inherent quality index with the worst test result is used as a quality criterion for this batch of products.
4.3 Appearance quality requirements
4.3.1 Appearance quality grading requirements
The appearance quality is graded according to surface defect, specification and size deviation, size difference in symmetrical positions, accessory material and sewing requirements. Where appearance defects of different grade are found on one product, the minimum grade shall prevail.
4.3.2 Surface defect grading requirements
See Table 2.
Table 2 Surface Defect Grading Requirements
No. Defect name High-grade product First-grade product and acceptable product
1 Color difference (not less than) Grade 4 between main materials; Grade 3-4 between main and auxiliary materials Grade 3-4 between basic materials or between basic material and auxiliary material
2 Zigzag stitch height (not greater than) 0.2cm in open-thread position 0.5cm in open-thread position
3 Sewed oily thread Unallowable in collar position while slight degree is allowable in other positions.
4 Mending scar and oily cotton flyer Unallowable
5 Mutual difference of buttonhole Mutual difference between the button and buttonhole is not greater than 0.2cm Mutual difference between the button and buttonhole is not greater than 0.5cm
6 Missing pattern, misregister, color overlapping and uneven fuzzing Unallowable Unobvious one is allowable.
7 Damaging defect Unallowable Unallowable
Notes:
1 The defects not listed in the Table shall meet the surface defect grading requirements of GB/T 8878.
2 The degree of surface defect shall comply with GSB 16-2500.
4.3.3 Specification and size deviation
4.3.3.1 See Table 3 for the specification and size deviation requirements.
Table 3 Specification and Size Deviation In cm
Category High-grade product First-grade product Acceptable product
Length direction ±1.0 ±2.0 ±2.0
Width direction ±1.0 ±1.5 ±1.5
Note: the specification and size deviation (except that of ready-to-wear) is implemented according to the agreement or process requirements.
4.3.3.2 See Figure 1~Figure 6 for the examples of measuring positions.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Sizing and specification
5 Requirements
6 Test methods
7 Sampling rules
8 Judgment rules
9 Instructions, packaging, transportation and storage
