GB/T 35460-2026 Woven elastic trousers English, Anglais, Englisch, Inglés, えいご
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered.
ICS
CCS
National Standard of the People's Republic of China
GB/T 35460-2026
Woven elastic trousers
机织弹力裤
Issue date: 2026-01-28 Implementation date: 2027-02-01
Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
the Standardization Administration of the People's Republic of China
Contents
Foreword
1 Scope
2 Normative References
3 Terms and Definitions
4 Requirements
5 Test Methods
6 Inspection Rules
7 Marking, Packaging, Transport and Storage
Woven elastic trousers
1 Scope
This document defines the terms and definitions for woven elastic trousers, specifies the requirements, inspection rules, marking, packaging, transport and storage, and describes the corresponding test methods.
This document applies to trousers made primarily from woven fabrics containing elastic fibres.
This document does not apply to clothing for infants and young children aged 36 months and below.
2 Normative References
The following documents are essential for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 250 Textiles — Tests for colour fastness — Grey scale for assessing change in colour
GB/T 1335 (all parts) Standard sizing systems for garments
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 8170 Rules of rounding off for numerical values and expression and judgement of limiting values
GB/T 8629-2017 Textiles — Domestic washing and drying procedures for textile testing
GB/T 8630 Textiles — Determination of dimensional changes in washing and drying
GB/T 14801 Test method for skewness and bow in woven and knitted fabrics
GB/T 15557 Clothing terminology
GB 18401 National general safety technical code for textile products
GB/T 21294 Test methods of physical and chemical properties of garments
GB/T 21295-2024 Technical requirements of physical and chemical properties of garments
GB/T 29862 Textiles — Identification of fibre content
GB 31701 Safety technical code for infants and children textile products
GB/T 31702 Test method for sharpness of attached components on textile products
GB/T 31907 Garment measurement methods
FZ/T 01034-2008 Textiles — Testing method for elastic properties of woven fabrics — Strip method
FZ/T 80002 Marking, packaging, transport and storage for garments
FZ/T 80004 Factory inspection rules for garment finished products
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 15557 and GB/T 31907 apply.
4 Requirements
4.1 Instructions for use
The instructions for use of the product shall comply with the requirements of GB/T 5296.4. Products for children aged over 3 years up to 14 years shall also comply with the requirements of GB 31701.
4.2 Size and specification
4.2.1 The size designation shall be selected according to the provisions of GB/T 1335 (all parts).
4.2.2 The specifications for the main parts of the garment shall be designed according to the relevant provisions of GB/T 1335 (all parts).
4.3 Raw materials and accessories
The outer fabric and lining fabric shall comply with the relevant requirements of this document. The lining fabrics, accessories, etc., shall be compatible with the outer fabric. Buttons, decorative buttons, zippers and other attachments shall have a smooth surface, free from burrs, defects, residual flaws, and with no accessible sharp points or sharp edges. Zippers shall engage well and operate smoothly.
4.4 Warp and weft direction
The degree of yarn skewness shall not be greater than 2.0 %.
4.5 Pattern matching
4.5.1 For fabrics with obvious stripes or plaids with a width of 1.0 cm or more, the requirements shall comply with Table 1.
4.5.2 For fabrics with directional pile, napped or shaded patterns, the direction shall be consistent over the entire garment, unless specially designed otherwise.
4.6 Colour difference
The colour difference between the crotch seam, waistband and the main body shall not be less than Grade 4. On other exposed surfaces, the colour difference shall be higher than Grade 4. The colour difference between different trousers in the same batch shall not be less than Grade 34.
4.7 Appearance defects
The permissible degree of defects on various parts of the finished product is specified in Table 2. The division of finished product parts is shown in Figure 1. Only one defect within the permissible degree is allowed for each part. For defects not listed in this document, they shall be classified according to similar defects in Table 2 based on their morphology.
4.8 Stitching
4.8.1 The stitch density shall comply with the provisions of Table 3, except for special designs.
4.8.2 Stitching on all parts shall be smooth, with straight and neat seams, firm and secure, with uniform stitch length, and without broken threads or skipped stitches. The tension of the upper and lower threads shall be appropriate; the bobbin thread shall not be exposed. Backstitching shall be applied at the beginning and end of seams and at pocket openings.
4.8.3 There shall be no skipped stitches in topstitching and chain stitching. There shall be no thread splicing in topstitching. For other stitch types, there shall be no consecutive skipped stitches or more than one single skipped stitch within 30 cm, and no thread detachment.
4.8.4 The lining of pockets shall be overlocked or edgefinished. The ends of pocket openings shall be securely and neatly fastened. Pocket edges shall not bulge. The lower ends of side seam pocket openings shall be securely fastened.
4.8.5 Pockets shall be symmetrical on both sides (except for special designs). Pocket openings shall be square and securely fastened. Pocket flaps shall lie flat without curling or turning.
4.8.6 The front and back crotch seams shall be sewn with chain stitches or double rows of stitches. The thread used for the front and back crotch seams and side seams shall be compatible with the stretch of the fabric in the direction of the seam, or the sewing method shall allow the seam to stretch synchronously with the fabric.
4.8.7 The seam allowance width shall be not less than 0.8 cm (except for pocket openings and fly front closures).
4.8.8 Buttonholes shall be clean, accurately positioned, and matched in size to the buttons. Buttons shall align with buttonholes, and be securely and neatly fastened. The height of the button shank shall match the thickness of the buttonhole. Thread knots shall not be exposed (except for special designs).
4.8.9 Snap fasteners shall be securely attached, with appropriate tightness at the fastening points, free from burrs and deformation.
4.8.10 The waistband shall be smoothly stitched on both the outer and inner sides, with appropriate tightness. The waistband lining shall not turn outwards. The waistband attachment shall be smooth.
4.8.11 Belt loops shall be of uniform width and length (except for special designs).
4.8.12 Darts and pleats shall be of uniform length and symmetrical on both sides.
4.8.13 The overlap at the fly front zipper shall be not less than 0.3 cm and not greater than 0.5 cm (may be greater than 0.5 cm for designs with an overlap). For boys aged 14 years and under, the fly front zipper shall have an inner fly.
4.8.14 Side seams shall be straight, with a twist rate not greater than 2 %. Shorts (trousers above the knee) are not assessed.
GB/T 35460-2026 Woven elastic trousers English, Anglais, Englisch, Inglés, えいご
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered.
ICS
CCS
National Standard of the People's Republic of China
GB/T 35460-2026
Woven elastic trousers
机织弹力裤
Issue date: 2026-01-28 Implementation date: 2027-02-01
Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
the Standardization Administration of the People's Republic of China
Contents
Foreword
1 Scope
2 Normative References
3 Terms and Definitions
4 Requirements
5 Test Methods
6 Inspection Rules
7 Marking, Packaging, Transport and Storage
Woven elastic trousers
1 Scope
This document defines the terms and definitions for woven elastic trousers, specifies the requirements, inspection rules, marking, packaging, transport and storage, and describes the corresponding test methods.
This document applies to trousers made primarily from woven fabrics containing elastic fibres.
This document does not apply to clothing for infants and young children aged 36 months and below.
2 Normative References
The following documents are essential for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 250 Textiles — Tests for colour fastness — Grey scale for assessing change in colour
GB/T 1335 (all parts) Standard sizing systems for garments
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 8170 Rules of rounding off for numerical values and expression and judgement of limiting values
GB/T 8629-2017 Textiles — Domestic washing and drying procedures for textile testing
GB/T 8630 Textiles — Determination of dimensional changes in washing and drying
GB/T 14801 Test method for skewness and bow in woven and knitted fabrics
GB/T 15557 Clothing terminology
GB 18401 National general safety technical code for textile products
GB/T 21294 Test methods of physical and chemical properties of garments
GB/T 21295-2024 Technical requirements of physical and chemical properties of garments
GB/T 29862 Textiles — Identification of fibre content
GB 31701 Safety technical code for infants and children textile products
GB/T 31702 Test method for sharpness of attached components on textile products
GB/T 31907 Garment measurement methods
FZ/T 01034-2008 Textiles — Testing method for elastic properties of woven fabrics — Strip method
FZ/T 80002 Marking, packaging, transport and storage for garments
FZ/T 80004 Factory inspection rules for garment finished products
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 15557 and GB/T 31907 apply.
4 Requirements
4.1 Instructions for use
The instructions for use of the product shall comply with the requirements of GB/T 5296.4. Products for children aged over 3 years up to 14 years shall also comply with the requirements of GB 31701.
4.2 Size and specification
4.2.1 The size designation shall be selected according to the provisions of GB/T 1335 (all parts).
4.2.2 The specifications for the main parts of the garment shall be designed according to the relevant provisions of GB/T 1335 (all parts).
4.3 Raw materials and accessories
The outer fabric and lining fabric shall comply with the relevant requirements of this document. The lining fabrics, accessories, etc., shall be compatible with the outer fabric. Buttons, decorative buttons, zippers and other attachments shall have a smooth surface, free from burrs, defects, residual flaws, and with no accessible sharp points or sharp edges. Zippers shall engage well and operate smoothly.
4.4 Warp and weft direction
The degree of yarn skewness shall not be greater than 2.0 %.
4.5 Pattern matching
4.5.1 For fabrics with obvious stripes or plaids with a width of 1.0 cm or more, the requirements shall comply with Table 1.
4.5.2 For fabrics with directional pile, napped or shaded patterns, the direction shall be consistent over the entire garment, unless specially designed otherwise.
4.6 Colour difference
The colour difference between the crotch seam, waistband and the main body shall not be less than Grade 4. On other exposed surfaces, the colour difference shall be higher than Grade 4. The colour difference between different trousers in the same batch shall not be less than Grade 34.
4.7 Appearance defects
The permissible degree of defects on various parts of the finished product is specified in Table 2. The division of finished product parts is shown in Figure 1. Only one defect within the permissible degree is allowed for each part. For defects not listed in this document, they shall be classified according to similar defects in Table 2 based on their morphology.
4.8 Stitching
4.8.1 The stitch density shall comply with the provisions of Table 3, except for special designs.
4.8.2 Stitching on all parts shall be smooth, with straight and neat seams, firm and secure, with uniform stitch length, and without broken threads or skipped stitches. The tension of the upper and lower threads shall be appropriate; the bobbin thread shall not be exposed. Backstitching shall be applied at the beginning and end of seams and at pocket openings.
4.8.3 There shall be no skipped stitches in topstitching and chain stitching. There shall be no thread splicing in topstitching. For other stitch types, there shall be no consecutive skipped stitches or more than one single skipped stitch within 30 cm, and no thread detachment.
4.8.4 The lining of pockets shall be overlocked or edgefinished. The ends of pocket openings shall be securely and neatly fastened. Pocket edges shall not bulge. The lower ends of side seam pocket openings shall be securely fastened.
4.8.5 Pockets shall be symmetrical on both sides (except for special designs). Pocket openings shall be square and securely fastened. Pocket flaps shall lie flat without curling or turning.
4.8.6 The front and back crotch seams shall be sewn with chain stitches or double rows of stitches. The thread used for the front and back crotch seams and side seams shall be compatible with the stretch of the fabric in the direction of the seam, or the sewing method shall allow the seam to stretch synchronously with the fabric.
4.8.7 The seam allowance width shall be not less than 0.8 cm (except for pocket openings and fly front closures).
4.8.8 Buttonholes shall be clean, accurately positioned, and matched in size to the buttons. Buttons shall align with buttonholes, and be securely and neatly fastened. The height of the button shank shall match the thickness of the buttonhole. Thread knots shall not be exposed (except for special designs).
4.8.9 Snap fasteners shall be securely attached, with appropriate tightness at the fastening points, free from burrs and deformation.
4.8.10 The waistband shall be smoothly stitched on both the outer and inner sides, with appropriate tightness. The waistband lining shall not turn outwards. The waistband attachment shall be smooth.
4.8.11 Belt loops shall be of uniform width and length (except for special designs).
4.8.12 Darts and pleats shall be of uniform length and symmetrical on both sides.
4.8.13 The overlap at the fly front zipper shall be not less than 0.3 cm and not greater than 0.5 cm (may be greater than 0.5 cm for designs with an overlap). For boys aged 14 years and under, the fly front zipper shall have an inner fly.
4.8.14 Side seams shall be straight, with a twist rate not greater than 2 %. Shorts (trousers above the knee) are not assessed.