GB/T 33734-2017 in English

《GB/T 33734-2017机织婴幼儿床上用品》由TC302（全国家用纺织品标准化技术委员会）归口，主管部门为中国纺织工业联合会。

ChinaStandards.net is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.

This standard is developed in accordance with the rules given in GB/T 1.1-2009.

This standard was proposed by the China National Textile and Apparel Council.

This standard is under the jurisdiction of the National Technical Committee 302 on Household Textiles of Standardization Administration of China (SAC/TC 302).


Woven Bedding for Infants

1 Scope

This standard specifies terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation and storage for woven bedding for infants.

This standard is applicable to the infant bedding which is mainly made of woven textiles.

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 referenced 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—Grey Scale for Assessing Staining
GB/T 2910
(all the parts) Textiles—Quantitative Chemical Analysis
GB/T 2912.1 Textiles—Determination of Formaldehyde—Part 1: Free and Hydrolized 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 Soaping
GB/T 3922 Textiles—Tests for Color Fastness—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/T 4802.2 Textiles—Determination of Fabric Propensity to Surface Fuzzing and to Pilling—Part 2: Modified Martindale Method
GB/T 4841.3 Color 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 5713 Textiles—Tests for Color Fastness—Color Fastness to Water
GB/T 6504-2008 Testing Method for Oil Content of Man-made Fibers
GB/T 6977 Test Method for Ethanol Extractives, Ash, Vegetable Matter, Total Ali-insoluble Impurities in Scoured Wool
GB/T 7573 Textiles—Determination of pH of Aqueous Extract
GB/T 8170 Rules of Rounding Off for Numerical Values & Expression and Judgment of Limiting Values
GB/T 8427-2008 Textiles—Tests for Color Fastness—Color Fastness to Artificial Light: Xenon Arc Fading Lamp Test
GB/T 8628 Textiles—Preparation, Marking and Measuring of Fabric Specimens and Garments in Tests for Determination of Dimensional Change
GB/T 8629 Textiles-Domestic Washing and Drying Procedures for Textile Testing
GB/T 8630 Textiles—Determination of Dimensional Change in Washing and Drying
GB/T 14644 Textile Fabrics—Burning Behaviour—The 45° Test Determination of Flame Spread Rate
GB/T 14801 Test Method for Skewness and Bow in Woven and Knitted Fabrics
GB/T 17592 Textiles—Determination of the Banned Azo Colorants
GB/T 17685 Down and Feather
GB 18401 National General Safety Technical Code for Textile Products
GB/T 18886 Textiles—Tests for Fastness—Color Fastness to Saliva
GB/T 20388 Textiles—Determination of the Content of Phthalates
GB/T 24121 Textile Products—Determination of the Remains of Broken Sewing Needle
GB/T 29862 Textiles—Identification of Fiber Content
GB/T 30157 Textiles—Determination of Total Content of Lead and Cadmium
GB 31701 Safety Technical Code for Infants and Children Textile Products
GB/T 31702 Testing Method for Sharpness of Attached Components on Textile Products
GSB 16-3223 Standard Sample Photos of Household Textiles Pilling
FZ/T 01057
(all the parts) Test Method for Identification of Textile Fibers

3 Terms and Definitions

For the purposes of this document, the following terms and definitions apply.

3.1
bedding for infants
the bedding used for infants not older than 36 month old, including sheet, quilt cover, quilt, pillow, pillowslip, cushion, cushion cover, bumper, mattress cover, wrap, etc.

3.2
attached components
the components of textile product, for connecting, decorating and labeling, securing, etc.

[GB 31701-2015, Definition 3.6]

3.3
cords and drawstrings
cords, drawstrings and loops, etc. which are made of various woven or non-woven materials and with or without ornaments.

[GB 31701-2015, Definition 3.7]

4 Requirements

4.1 Products, by quality, are classified into high grade, first grade and acceptable grade.

4.2 The quality of product covers inherent quality (including safety performance, physical and chemical properties), apparent quality and technical quality.

4.3 In the meaning of inherent quality, the safety performance shall comply with Table 1.


Table 1 Inherent Quality Requirements – Safety Performance
Item High grade First grade Acceptable grade
Formaldehyde content /(mg/kg) Comply with GB 31701.
pH value
Undesirable odor
Decomposable carcinogenic aromatic amine dyes /(mg/kg)
Heavy metals /(mg/kg) Plumbum
Cadmium
Phthalates /% Di(2-ethylhexyl)phthalate (DEHP), di-butyl phthalate (DBP) and benzyl butyl phthalate (BBP)
Phthalates /% Diisononyl phthalate (DINP), di-iso-decylphthalate (DIDP) and dioctyl phthalate (DNOP) Comply with GB 31701.
Burning behavior
Sharps
Tensile strength of attached component/N
Accessible sharp tip or edge of attached component
Stuffing
Color fastness to dry rubbing/grade
Color fastness to saliva/grade
Color fastness to perspiration a/grade≥ Discoloration 4 3-4 3-4
Staining 4 3-4 3-4
Color fastness to water a/grade ≥ Discoloration 4 3-4 3-4
Staining 4 3-4 3-4
Color fastness to wet rubbing b/grade≥ 3-4 3 3
Cords and drawstrings The length shall not exceed 230 mm for functional cords and drawstrings or 180 mm for decorative cords and drawstrings, and the perimeter of possible looped cords and drawstrings shall not exceed 360 mm.
Note: Treatment for flame retarding is not recommended to woven bedding for infants. Flame retarding treatment, if performed, shall comply with relevant laws, regulations and mandatory standards of the nation.
a Not required for natural color and bleached products.
b Not required for natural color and bleached products; for dark-color products (larger than the 1/12 color cards of standard depths for dyeing with dyestuffs, as specified GB/T 4841.3), the technical requirements for first grade and acceptable grade may be relaxed by half grade.

4.4 Non-textile attached components such as button and zipper shall select the products conforming to the standards.

4.5 Permanent labels shall be located in a position with no direct contact with skin.

Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Requirements
5 Test Methods
6 Inspection Rules
7 Marking and Packaging
8 Transportation and Storage
Annex A (Normative) Description of Appearance Defects and Degrees
Annex B (Normative) Sampling Method for Stuffing Tests