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GB/T 35270-2024 PDF English

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GB/T 35270-2024: Baby carriers
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GB/T 35270: Evolution and historical versions

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GB/T 35270-2024English320 Add to Cart 0-9 seconds. Auto-delivery Baby carriers Valid
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GB/T 31900   GB/T 31900   GB/T 42166   

GB/T 35270-2024: Baby carriers

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT35270-2024
GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 61.020 CCS Y 76 Replacing GB/T 35270-2017 Baby carriers 婴幼儿背带(袋) Issued on. NOVEMBER 28, 2024 Implemented on. DECEMBER 01, 2026 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China.

Table of Contents

Foreword... 3 1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 6 4 Requirements... 7 5 Test methods... 12 6 Instructions for use... 19 7 Test rules... 20 8 Marking, packaging, transportation and storage... 21 Appendix A (Normative) List of phthalates substances... 22 Bibliography... 23

1 Scope

This document specifies the requirements, instructions for use, inspection rules, as well as marking, packaging, transportation and storage of baby carriers, and describes the corresponding inspection methods. This document applies to carriers used by babies who have a certain degree of head support and can be attached vertically to an adult's torso (ages 4 ~ 36 months).

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the version corresponding to that date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document. GB/T 5456, Textiles - Burning behaviour - Flame spread properties of vertically oriented specimens GB 6675.2-2014, Safety of toys - Part 2.Mechanical and physical properties GB/T 15557, Standard terminology relating to apparel GB/T 17593 (all parts), Textiles - Determination of heavy metals GB 18401-2010, National general safety technical code for textile products GB/T 20388, Textiles - Determination of the phthalate content - Tetrahydrofuran method GB/T 21294, Testing methods of physical and chemical performance of garments GB/T 22048, Determination of certain phthalate esters in toys and children's products GB/T 23315-2009, Touch and close fasteners GB/T 24121, Textile products - Determination of the remains of broken sewing needle

3 Terms and definitions

Terms and definitions determined by GB/T 15557 and the following ones are applicable to this document. 3.1 baby carriers Products made of textiles and/or other accessories, worn on the torso of an adult, and used to fix a baby aged 4 ~ 36 months. Common types are shown in Figure 1. 3.2 leg opening An opening on the baby carrier (3.1) through which the baby's legs can pass and stretch. 3.3 integral leg opening The leg opening (3.2) formed independently of the carrier. 3.4 unbounded leg opening The leg opening (3.2) formed jointly by the wearer's torso and the baby carrier. Note. See Figure 1 b) and c).

4 Requirements

4.1 Appearance Appearance requirements shall comply with the requirements in Table 1. Table 1 4.2 Physical and chemical properties 4.2.1 Textile fabrics The textile fabrics used for baby carriers shall comply with the requirements of GB 31701 and the requirements of Table 2. 4.2.2 Filling The filling materials used in carriers shall comply with the requirements of GB 31701. 4.2.3 Accessories The accessories used in carriers shall comply with the provisions of GB 31701 and shall comply with the provisions of Table 3. 4.3 Structure 4.3.1 Integral leg opening Test integral leg opening according to 5.3.1, and the test ball shall not pass through the leg opening of the carrier. 4.3.2 Unbounded leg opening Test unbounded leg opening according to 5.3.2, and the circular truncated cone for testing shall not pass through the unbounded leg opening of the carrier. 4.3.3 Sharp edges and points The carrier shall not have sharp edges or points and shall comply with the product requirements for babies aged 36 months and below as specified in 4.6 and 4.7 of GB 6675.2-2014. 4.3.4 Small parts Removable parts of the carrier, and any parts that may be grasped by the thumb and index finger or bitten by the teeth of the baby, shall not be fully loaded into the small parts tester shown in Figure 2 when tested according to 5.3.4 small parts. 4.3.5 Fastener and carrier retention After the test of 5.3.5, the fasteners and carriers shall not break or separate, and the sliding displacement shall not exceed 25 mm. 4.4 Overall combustion performance of the carrier Test the overall combustion performance of the carrier in accordance with 5.4, and the flame spread rate shall be less than or equal to 30 mm/s. When the flame spread rate is less than 10 mm/s, it means that the carrier can be used normally; when the flame spread rate is between 10 mm/s ~ 30 mm/s, a warning shall be set on the carrier or its packaging, "Warning. Do not approach fire"; when the flame spread rate is greater than 30 mm/s, the combustion performance of the carrier is unqualified and it is prohibited to use. 4.5 Rope belt 4.5.1 The free end length of ropes, straps and similar components shall not exceed 220 mm, see Figure 3 a) and b). 4.5.2 If ropes, straps and similar components are connected together at the same position on the product or the interval shall not exceed 80 mm, the free end length of any rope shall not exceed 220 mm, and the length from one free end to the other free end shall not exceed 360 mm; see Figure 3 c). 4.5.3 Where ropes, straps and similar components are likely to form loops, their circumference shall not exceed 360 mm. 4.5.4 The requirements of 4.5.1 ~ 4.5.3 do not apply if the width of ropes, straps and similar components is not less than 19 mm. 4.6 Needle detection Carriers must undergo a needle inspection process before leaving the factory. No sharp objects such as metal needles shall remain on the carrier products; no metal needles or other sharp objects shall be used in the packaging of carrier products.

5 Test methods

5.1 Appearance quality Inspect visually, where lighting should be used and the illumination should not be less than 600 lx; northern skylight can also be used if conditions permit. 5.2 Physical and chemical properties 5.2.1 Textile fabrics 5.2.1.1 The formaldehyde content, pH, odor, degradable carcinogenic aromatic amine dyes and color fastness of textile fabrics on the carriers shall be tested in accordance with the provisions of GB/T 21294. 5.2.1.2 For textile fabrics on the carriers, the total lead and total cadmium content in heavy metals shall be tested in accordance with the provisions of GB/T 30157, the extractable heavy metal content shall be tested in accordance with the provisions of GB/T 17593 (all parts), and the phthalate content shall be tested in accordance with the provisions of GB/T 20388. 5.2.2 Filling The filling test shall be carried out in accordance with the provisions of GB 31701. 5.2.3 Accessories 5.2.3.1 The plastic buckles on the carriers shall be tested according to the method of QB/T 5247-2018 for 1 000 times; other types of buckles and other accessories shall be manually opened and closed once and tested 200 times, respectively. 5.3 Structure 5.3.1 Integral leg opening After fixing the carrier, make the leg opening in a horizontal position during the test. If the leg opening size is adjustable, adjust it to the minimum according to the carrier instructions. 5.3.2 Unbounded leg opening According to the instruction manual of the carrier, fix it in front of the test torso 1 (see Figure 4). If the leg opening size is adjustable, the leg opening shall be adjusted to the minimum according to the instructions of the carrier. 5.3.3 Sharp edges and points Test sharp edges in accordance with the provisions of 5.8 of GB 6675.2-2014, and test sharp points in accordance with the provisions of 5.9 of GB 6675.2-2014. 5.3.4 Small parts 5.3.4.1 General Any parts on the carrier that may be grabbed by the thumb and index finger or bitten by the teeth of the baby are subjected to torque and tension tests. Place the parts that fall off after the test and the detachable parts of the carrier in the small parts tester in any direction without external pressure. 5.3.7 Dynamic loading Perform a dynamic load test on the baby carrier as follows. 5.3.8 Overall bearing strength of the product Place a 30 kg load evenly at the center of the carrier for 5 minutes, then remove the load and check the overall condition of the product's seams, fasteners, and straps. 5.4 Overall combustion performance of the carrier The steps for conducting a flammability test on baby carriers are as follows. area of the carrier. 5.5 Rope belt Measure the length of cords, straps and similar parts from the point of attachment to the carrier to the free end when tested with an applied force of 25 N. 5.6 Needle detection The detection of remains of broken sewing needle on the carrier shall be tested in accordance with the provisions of GB/T 24121, using the detection sensitivity (standard iron ball test card). 1.0 mm.

6 Instructions for use

6.1 Basic content The following contents shall be marked on the carrier product, packaging, label or instruction manual. 6.2 Warnings 6.2.1 General A similar reminder shall be marked on each carrier product, packaging, label or instruction manual. Please read this carrier manual carefully before use. Failure to use it according to the instructions may endanger the safety of the baby. 6.2.2 Warning A similar message shall be marked on each carrier product, packaging, label or instruction manual. The instructions for use shall include at least the following.

7 Test rules

7.1 Batch The products of the same variety and specification produced with the same raw materials and using the same production process are set as one inspection batch. 7.2 Sampling regulations 7.2.1 Samples for appearance quality inspection shall be randomly selected from batches, and the sampling quantity shall be as specified in Table 4. 7.2.2 The number of samples for other performance tests shall be at least 2. 7.3 Determination rules 7.3.1 Single piece (sample) determination If there are no more than 3 defects in the appearance quality, the product is considered qualified. If a product has defects that affect its function, the product is considered unqualified. 7.3.2 Batch determination If the number of qualified products in the appearance inspection sample is ≥90%, the number of unqualified products is ≤10%, and all other performance indicators are qualified, judge the inspection batch to be qualified. Otherwise, judge the batch of products as unqualified. 7.3.3 Re-inspection requirements If the number of batches determined during random inspection does not comply with the provisions of this document or the two parties to the delivery have objections to the inspection results, a second random inspection may be conducted and the number of random inspections shall be doubled. The retest result shall be the final judgment result.

8 Marking, packaging, transportation and storage

The marking, packaging, transportation and storage of finished products shall comply with FZ/T 80002.At the same time, the packaging bag shall be marked with warning instructions similar to the following. Warning. To avoid suffocation hazard, keep plastic coverings away from the baby. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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