Codeofchina.com 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 replaces GB/T 2660-2008 Shirts and Blouses, and the following technical changes have been made with respect to GB/T 2660-2008 (the previous edition):
——The scope of this standard is modified and it has been made clear that this standard is not applicable to products for infants and young children aged from 0 to 36 months as well as quilted shirts and blouses (see Chapter 1;Chapter 1 in Edition 2008);
——The normative references are supplemented and modified (see Chapter 2; Chapter 2 in Edition 2008);
——The requirements of the instruction are modified (see 3.1, 3.1 in Edition 2008);
——The requirements for auxiliary material are modified and those for the filling are deleted (see 3.3.3; 3.3.3 and 3.3.4 in Edition 2008);
——The requirements for wrap and weft yarn direction are modified (see 3.4; 3.4 in Edition 2008);
——The requirements for splicing are deleted (see 3.6 in Edition 2008);
——The requirements for appearance defects are modified (see 3.7; 3.8 in Edition 2008);
——The requirements for sewing are modified (see 3.8; 3.9 in Edition 2008);
——The requirements for the permissible specification and dimension deviation of quilted shirts and blouses are deleted (see 3.10 in Edition 2008);
——The requirements for the fiber composition and content of the raw material are modified (see 3.11; 3.12.10 in Edition 2008);
——The requirements for formaldehyde content, pH value, decomposable carcinogenic aromatic amine dyes and foreign odor are modified (see 3.11; 3.12.6, 3.12.7, 3.12.8 and 3.12.9 in Edition 2008);
——The requirements for the dimensional change rate after washing are modified (see 3.11; 3.12.1 in Edition 2008);
——The requirements for permissible degree of color fastness are modified (see 3.11; 3.12.3 in Edition 2008);
——The requirements related to seam slippage are modified (see 3.11; 3.12.4 in Edition 2008);
——The requirements for tearing strength are modified (see 3.11; 3.12.5 in Edition 2008);
——The requirements for the wrinkling gradation of top fly are added (see 3.11; 3.12.2 in Edition 2008);
——The requirements for the appearance after washing are added (see 3.11);
——The requirement that shirts and blouses for children aged from more than 36 months to 14 years old shall also comply with those specified in GB 31701 is added (see 3.12);
——The measurement methods for finished products are modified (see 4.2.2; 4.2.2 in Edition 2008);
——As for appearance determination, the measurement method for wrap and weft yarn direction is modified (see 4.3.1; 4.3.1 in Edition 2008);
——The test method and test result calculation method of dimensional change rate to water washing are modified (see 4.4.1; 4.4.1 in Edition 2008);
——The evaluation methods for appearance quality after washing are modified (see 4.4.2; 4.4.2 in Edition 2008);
——The test method for color fastness to washing with soap or soap and soda are modified (see 4.4.3; 4.4.3 in Edition 2008);
——The test methods for color fastness to light are modified (see 4.4.4; 4.4.3 in Edition 2008);
——The sampling position and test method for seam slippage are modified (see 4.4.5; 4.4.4 in Edition 2008);
——The test method for tearing strength is modified (see 4.4.6; 4.4.5 in Edition 2008);
——The method for needle detector test is modified (see 4.4.7; 4.3.6 in Edition 2008);
——The test methods for the safety performance of children's garments are added (see 4.4.8);
——The inspection and judgment rules are modified (see Chapter 5, Chapter 5 in Edition 2008);
——The content of finished product quality defect judgment are supplemented and improved (see 5.2.3; 5.2.3 in Edition 2008);
——The Annex "Needle Detector Test" is deleted (see Annex A of Edition 2008);
——The Annex "Test Method for Seam Slippage" is deleted (see Annex B of Edition 2008).
This standard was proposed by China National Textile and Apparel Council.
This standard is under the jurisdiction of SAC/TC 219/SC 2 Shirts and Blouses Subcommittee of National Technical Committee on Garments of Standardization Administration of China.
The previous editions of this standard superseded by this standard are:
——GB/T 2660-1989, GB/T 2660-1999 and GB/T 2660-2008.
Shirts and Blouses
1 Scope
This standard specifies requirements, inspection method, inspection rules, marking, packaging, transport and storage of shirts and blouses.
This standard is applicable to shirts and blouses with woven fabric as main material, excluding quilted shirts and blouses.
This standard is not applicable to products for infants and young children aged 0~36 months.
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 1335 (all parts) Standard Sizing Systems for Garments
GB/T 2667 Specifications for Shirts and Blouses
GB/T 3917.1 Textiles - Tear Properties of Fabrics - Part 1: Determination of Tear Force Using Ballistic Pendulum Method (Elmendorf)
GB/T 3921-2008 Textiles - Tests for Color Fastness - Color Fastness to Washing with Soap or Soap and Soda
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 8427-2008 Textiles - Tests for Color Fastness - Color Fastness to Artificial Light: Xenon Arc Fading Lamp Test
GB/T 8629-2001 Textiles - Domestic Washing and Drying Procedures for Textile Testing
GB/T 8630 Textiles - Determination of Dimensional Change in Washing and Drying
GB/T 14801 Test Method for Skewness and Bow in Woven and Knitted Fabrics
GB 18401 National General Safety Technical Code for Textile Products
GB/T 21294 Testing Methods of Physical and Chemical Performance of Garments
GB/T 24121-2009 Textile Products - Determination of the Remains of Broken Sewing Needle
GB/T 29862 Textiles - Identification of Fiber Content
GB 31701 Safety Technical Code for Infants and Children Textile Products
FZ/T 80002 Marking, Packaging Transportation and Storage for Garments
FZ/T 80004 Rule for Garments Delivery Inspection
FZ/T 80007.3 Dry Wash Resistance Test Method for Garments used Adhesive Interlining
GSB 16-2951-2012 Standard Sample Photos for Appearance Defects on Shirts and Blouses
GSB 16-2952-2012 Standard Sample Photos for Grade V Appearance Sewing and Wrinkling of Shirts and Blouses
3 Requirements
3.1 Instruction
The instruction of finished products shall comply with those specified in GB 5296.4 and GB 31701.
3.2 Standard sizing systems and specifications
3.2.1 Standard sizing systems shall meet the requirements of GB/T 1335 (all parts).
3.2.2 The specification of main parts shall be designed voluntarily according to the requirements of GB/T 2667 or the relevant requirements of GB/T 1335 (all parts).
3.3 Raw materials
3.3.1 Shell fabric
Shell fabric complying with the quality requirements of this standard shall be selected according to relevant standards for textile fabric.
3.3.2 Lining
Lining suitable for the applied shell fabric and complying with the quality requirements of this standard shall be adopted.
3.3.3 Auxiliary material
3.3.3.1 Interlining, shoulder pad, border lace and bagging
The interlining, shoulder pad, border lace and pocket bag suitable to the performance of the applied shell fabric and lining shall be adopted, and their quality shall comply with those specified in this standard.
3.3.3.2 Suture, rope belt and elastic ribbon
Suture, rope belt and elastic ribbon (expect ornamental thread and fashion tape) suitable to the performance of applied shell fabric, lining fabric and auxiliary materials shall be adopted.
3.3.3.3 Buttons and other accessories
Buttons (excluding decorative button) and other accessories suitable to all the applied fabric shall be adopted. The surfaces of buttons, decorative buttons and other accessories shall be smooth and free of burr, damage, defect and accessible sharp tip or edge.
Note: accessible sharp tip or edge refers to any sharp edge or tip on finished products that may cause harm to human skin under normal wearing.
3.4 Wrap and weft yarn direction
The front hem shall not upwarp; the yarn skewness degree of the back and the sleeves shall comply with those specified in Table 1.
Table 1 %
Item Technical requirement
Yarn-dyed strip and plaid ≤2.5
Others ≤5.0
3.5 Strip matching and plaid matching
3.5.1 Shell fabric with visible strips and plaids of 1.0cm or above shall be in accordance with those specified in Table 2.
Table 2 In: cm
Part name Requirements for strip and plaid matching Remarks
Left and right front The mutual deviation between strips and central strip and between plaids shall not be greater than 0.3 If the sizes of plaids are different, the upper part of one third of the front shall prevail.
Pockets and the front Mutual deviation between strips and plaids shall not be greater than 0.2 If the sizes of plaids are different, the center on the forepart of pocket shall prevail.
Double pocket with inclined fabric Bilaterally symmetric, with the mutual deviation not larger than 0.3 Visible strip shall prevail (the assessment is not applicable to shadow strips)
Left/right collar point The strips and plaids are symmetrical, with the mutual deviation not greater than 0.2 For shadow strips and plaids, visible strips and plaids shall prevail.
Sleeve cap Left and right sleeve cap strips and plaids are smooth and straight, symmetrical to the vertical stripes, and the mutual deviation is not greater than 0.2 Obvious strips prevail.
Back yoke The strips are straight, with the mutual deviation between both ends not greater than 0.4 —
Long sleeve Strip and plaid shall be straight; taking sleeve top as reference, the two sleeves shall be symmetrical, with the mutual deviation not greater than 1.0 Plaids less than 3.0 and strips less than 1.5 will not be matched
Short sleeve Strips shall be smooth and straight; taking cuffs as the reference, the two sleeves shall be symmetrical, with the mutual deviation no greater than 0.5 Plaids less than 2.0 and strips less than 1.5 will not be matched
3.5.2 As for pressedpile and drawn pile raw material, the grain direction of the entire fabric shall be the same.
3.5.3 Fabrics with special pattern shall be subjected to the main pattern and pattern or grain direction the whole body shall be the same.
3.6 Color difference
The color difference of top collar, yoke, pocket, placket front, sleeve cap surface and the bodice shall be higher than Grade 4. The color difference of other parts shall not be lower than Grade 4.
3.7 Appearance defect
The appearance defects of each part shall comply with Table 3. See Figure 1 for the division of each part of finished products. As for each part, only one defect within permissibility is allowable. The defects not covered in this standard shall be in accordance with the similar ones in Table 3 according to their shapes.
Table 3
Defect name Permissibility at each part
Part 0 Part 1 Part 2 Part 3
Defect thicker than one time of roving (2 pieces) Not permitted With the length of 3.0cm or below Not affecting the appearance The length is unlimited
Defect thicker than two times of roving (3 pieces) Not permitted With the length of 1.5cm or below With the length of 4.0cm or below With the length of 6.0cm or below
Defect thicker than three times of roving (4 pieces) Not permitted Not permitted With the length of 2.5cm or below With the length of 4.0cm or below
Double warp and double weft Not permitted Not permitted Not affecting the appearance The length is unlimited
Slippage Not permitted 2 pcs 6 pcs Not affecting the appearance
Buckling Not permitted Not permitted 4.0 cm in length and the width is less than 1.0cm Not obvious
Weft density is not uniform Not permitted Not permitted Not obvious Not affecting the appearance
Granular roving Not permitted Not permitted Not permitted Not permitted
Buckling chevron Not permitted Not permitted Not permitted Not permitted
Broken warp and broken weft (1 piece) Not permitted Not permitted Not permitted Not permitted
Scratch damage Not permitted Not permitted Not permitted Minor
Lightly-oiled yarn Not permitted With the length of 1.5cm or below With the length of 2.5cm or below With the length of 4.0cm or below
Shade bar Not permitted Not permitted Minor Not affecting the appearance
Slight color spot (stain) Not permitted Not permitted Within (0.2×0.2)cm2 Not affecting the appearance
Figure 1
3.8 Sewing
3.8.1 Stitch length density shall be in accordance with those specified in Table 4, except in special design.
Table 4
Items Stitch length density Remarks
Top and blind stitch No less than 12 stitches/3cm —
Quilting twine No less than 9 stitches/3cm —
Overlock stitch No less than 12 stitches/3cm Including lock stitch (chain line)
Buttonhole No less than 12 stiches/1cm —
3.8.2 The sewing of all parts shall be flat, smooth, straight, regular and firm, with uniform stitches.
3.8.3 The upper and lower thread are suitable in elasticity and free from skipped or broken stitches. Back stitching shall be provided at the place with starting and ending stitches.
3.8.4 No skipped stitch is allowed on the collar; ,each part shall be free from any continuous skipping stitches or more than one individual skipping stitches within 30cm; chain stitch shall be free from any skipping stitch.
3.8.5 Collar shall be flat and smooth; the top, lining and support of collar shall possess suitable elasticity; the collar point shall not upturn.
3.8.6 The set in sleeve shall be even and smooth; the easing shall be uniform and basically consistent for front and back of the sleeves.
3.8.7 The stitched part at the sleeve cap, pocket and garment piece shall be uniform, flat and smooth, without skewing.
3.8.8 The trademark and permanent label shall be upright, flat and smooth.
3.8.9 The buttonhole shall be exactly positioned with suitable size; two ends shall be sealed-off, and it shall be runproof at the position where the buttonhole is gashed.
3.8.10 The sewing button shall match with the buttonhole and sewed neatly and firmly. The height of the shank shall be suitable, the thread knot shall not be exposed and the button sewing thread shall be nonravel.
3.8.11 The snap buttons (press snap button) shall be firm with suitable elasticity.
3.8.12 There shall be no metal needle or metal sharps in the finished products.
Foreword i 1 Scope 2 Normative References 3 Requirements 4 Inspection Methods 5 Inspection Rule 6 Marking, Packaging, Transport and Storage
Codeofchina.com 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 replaces GB/T 2660-2008 Shirts and Blouses, and the following technical changes have been made with respect to GB/T 2660-2008 (the previous edition):
——The scope of this standard is modified and it has been made clear that this standard is not applicable to products for infants and young children aged from 0 to 36 months as well as quilted shirts and blouses (see Chapter 1;Chapter 1 in Edition 2008);
——The normative references are supplemented and modified (see Chapter 2; Chapter 2 in Edition 2008);
——The requirements of the instruction are modified (see 3.1, 3.1 in Edition 2008);
——The requirements for auxiliary material are modified and those for the filling are deleted (see 3.3.3; 3.3.3 and 3.3.4 in Edition 2008);
——The requirements for wrap and weft yarn direction are modified (see 3.4; 3.4 in Edition 2008);
——The requirements for splicing are deleted (see 3.6 in Edition 2008);
——The requirements for appearance defects are modified (see 3.7; 3.8 in Edition 2008);
——The requirements for sewing are modified (see 3.8; 3.9 in Edition 2008);
——The requirements for the permissible specification and dimension deviation of quilted shirts and blouses are deleted (see 3.10 in Edition 2008);
——The requirements for the fiber composition and content of the raw material are modified (see 3.11; 3.12.10 in Edition 2008);
——The requirements for formaldehyde content, pH value, decomposable carcinogenic aromatic amine dyes and foreign odor are modified (see 3.11; 3.12.6, 3.12.7, 3.12.8 and 3.12.9 in Edition 2008);
——The requirements for the dimensional change rate after washing are modified (see 3.11; 3.12.1 in Edition 2008);
——The requirements for permissible degree of color fastness are modified (see 3.11; 3.12.3 in Edition 2008);
——The requirements related to seam slippage are modified (see 3.11; 3.12.4 in Edition 2008);
——The requirements for tearing strength are modified (see 3.11; 3.12.5 in Edition 2008);
——The requirements for the wrinkling gradation of top fly are added (see 3.11; 3.12.2 in Edition 2008);
——The requirements for the appearance after washing are added (see 3.11);
——The requirement that shirts and blouses for children aged from more than 36 months to 14 years old shall also comply with those specified in GB 31701 is added (see 3.12);
——The measurement methods for finished products are modified (see 4.2.2; 4.2.2 in Edition 2008);
——As for appearance determination, the measurement method for wrap and weft yarn direction is modified (see 4.3.1; 4.3.1 in Edition 2008);
——The test method and test result calculation method of dimensional change rate to water washing are modified (see 4.4.1; 4.4.1 in Edition 2008);
——The evaluation methods for appearance quality after washing are modified (see 4.4.2; 4.4.2 in Edition 2008);
——The test method for color fastness to washing with soap or soap and soda are modified (see 4.4.3; 4.4.3 in Edition 2008);
——The test methods for color fastness to light are modified (see 4.4.4; 4.4.3 in Edition 2008);
——The sampling position and test method for seam slippage are modified (see 4.4.5; 4.4.4 in Edition 2008);
——The test method for tearing strength is modified (see 4.4.6; 4.4.5 in Edition 2008);
——The method for needle detector test is modified (see 4.4.7; 4.3.6 in Edition 2008);
——The test methods for the safety performance of children's garments are added (see 4.4.8);
——The inspection and judgment rules are modified (see Chapter 5, Chapter 5 in Edition 2008);
——The content of finished product quality defect judgment are supplemented and improved (see 5.2.3; 5.2.3 in Edition 2008);
——The Annex "Needle Detector Test" is deleted (see Annex A of Edition 2008);
——The Annex "Test Method for Seam Slippage" is deleted (see Annex B of Edition 2008).
This standard was proposed by China National Textile and Apparel Council.
This standard is under the jurisdiction of SAC/TC 219/SC 2 Shirts and Blouses Subcommittee of National Technical Committee on Garments of Standardization Administration of China.
The previous editions of this standard superseded by this standard are:
——GB/T 2660-1989, GB/T 2660-1999 and GB/T 2660-2008.
Shirts and Blouses
1 Scope
This standard specifies requirements, inspection method, inspection rules, marking, packaging, transport and storage of shirts and blouses.
This standard is applicable to shirts and blouses with woven fabric as main material, excluding quilted shirts and blouses.
This standard is not applicable to products for infants and young children aged 0~36 months.
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 1335 (all parts) Standard Sizing Systems for Garments
GB/T 2667 Specifications for Shirts and Blouses
GB/T 3917.1 Textiles - Tear Properties of Fabrics - Part 1: Determination of Tear Force Using Ballistic Pendulum Method (Elmendorf)
GB/T 3921-2008 Textiles - Tests for Color Fastness - Color Fastness to Washing with Soap or Soap and Soda
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 8427-2008 Textiles - Tests for Color Fastness - Color Fastness to Artificial Light: Xenon Arc Fading Lamp Test
GB/T 8629-2001 Textiles - Domestic Washing and Drying Procedures for Textile Testing
GB/T 8630 Textiles - Determination of Dimensional Change in Washing and Drying
GB/T 14801 Test Method for Skewness and Bow in Woven and Knitted Fabrics
GB 18401 National General Safety Technical Code for Textile Products
GB/T 21294 Testing Methods of Physical and Chemical Performance of Garments
GB/T 24121-2009 Textile Products - Determination of the Remains of Broken Sewing Needle
GB/T 29862 Textiles - Identification of Fiber Content
GB 31701 Safety Technical Code for Infants and Children Textile Products
FZ/T 80002 Marking, Packaging Transportation and Storage for Garments
FZ/T 80004 Rule for Garments Delivery Inspection
FZ/T 80007.3 Dry Wash Resistance Test Method for Garments used Adhesive Interlining
GSB 16-2951-2012 Standard Sample Photos for Appearance Defects on Shirts and Blouses
GSB 16-2952-2012 Standard Sample Photos for Grade V Appearance Sewing and Wrinkling of Shirts and Blouses
3 Requirements
3.1 Instruction
The instruction of finished products shall comply with those specified in GB 5296.4 and GB 31701.
3.2 Standard sizing systems and specifications
3.2.1 Standard sizing systems shall meet the requirements of GB/T 1335 (all parts).
3.2.2 The specification of main parts shall be designed voluntarily according to the requirements of GB/T 2667 or the relevant requirements of GB/T 1335 (all parts).
3.3 Raw materials
3.3.1 Shell fabric
Shell fabric complying with the quality requirements of this standard shall be selected according to relevant standards for textile fabric.
3.3.2 Lining
Lining suitable for the applied shell fabric and complying with the quality requirements of this standard shall be adopted.
3.3.3 Auxiliary material
3.3.3.1 Interlining, shoulder pad, border lace and bagging
The interlining, shoulder pad, border lace and pocket bag suitable to the performance of the applied shell fabric and lining shall be adopted, and their quality shall comply with those specified in this standard.
3.3.3.2 Suture, rope belt and elastic ribbon
Suture, rope belt and elastic ribbon (expect ornamental thread and fashion tape) suitable to the performance of applied shell fabric, lining fabric and auxiliary materials shall be adopted.
3.3.3.3 Buttons and other accessories
Buttons (excluding decorative button) and other accessories suitable to all the applied fabric shall be adopted. The surfaces of buttons, decorative buttons and other accessories shall be smooth and free of burr, damage, defect and accessible sharp tip or edge.
Note: accessible sharp tip or edge refers to any sharp edge or tip on finished products that may cause harm to human skin under normal wearing.
3.4 Wrap and weft yarn direction
The front hem shall not upwarp; the yarn skewness degree of the back and the sleeves shall comply with those specified in Table 1.
Table 1 %
Item Technical requirement
Yarn-dyed strip and plaid ≤2.5
Others ≤5.0
3.5 Strip matching and plaid matching
3.5.1 Shell fabric with visible strips and plaids of 1.0cm or above shall be in accordance with those specified in Table 2.
Table 2 In: cm
Part name Requirements for strip and plaid matching Remarks
Left and right front The mutual deviation between strips and central strip and between plaids shall not be greater than 0.3 If the sizes of plaids are different, the upper part of one third of the front shall prevail.
Pockets and the front Mutual deviation between strips and plaids shall not be greater than 0.2 If the sizes of plaids are different, the center on the forepart of pocket shall prevail.
Double pocket with inclined fabric Bilaterally symmetric, with the mutual deviation not larger than 0.3 Visible strip shall prevail (the assessment is not applicable to shadow strips)
Left/right collar point The strips and plaids are symmetrical, with the mutual deviation not greater than 0.2 For shadow strips and plaids, visible strips and plaids shall prevail.
Sleeve cap Left and right sleeve cap strips and plaids are smooth and straight, symmetrical to the vertical stripes, and the mutual deviation is not greater than 0.2 Obvious strips prevail.
Back yoke The strips are straight, with the mutual deviation between both ends not greater than 0.4 —
Long sleeve Strip and plaid shall be straight; taking sleeve top as reference, the two sleeves shall be symmetrical, with the mutual deviation not greater than 1.0 Plaids less than 3.0 and strips less than 1.5 will not be matched
Short sleeve Strips shall be smooth and straight; taking cuffs as the reference, the two sleeves shall be symmetrical, with the mutual deviation no greater than 0.5 Plaids less than 2.0 and strips less than 1.5 will not be matched
3.5.2 As for pressedpile and drawn pile raw material, the grain direction of the entire fabric shall be the same.
3.5.3 Fabrics with special pattern shall be subjected to the main pattern and pattern or grain direction the whole body shall be the same.
3.6 Color difference
The color difference of top collar, yoke, pocket, placket front, sleeve cap surface and the bodice shall be higher than Grade 4. The color difference of other parts shall not be lower than Grade 4.
3.7 Appearance defect
The appearance defects of each part shall comply with Table 3. See Figure 1 for the division of each part of finished products. As for each part, only one defect within permissibility is allowable. The defects not covered in this standard shall be in accordance with the similar ones in Table 3 according to their shapes.
Table 3
Defect name Permissibility at each part
Part 0 Part 1 Part 2 Part 3
Defect thicker than one time of roving (2 pieces) Not permitted With the length of 3.0cm or below Not affecting the appearance The length is unlimited
Defect thicker than two times of roving (3 pieces) Not permitted With the length of 1.5cm or below With the length of 4.0cm or below With the length of 6.0cm or below
Defect thicker than three times of roving (4 pieces) Not permitted Not permitted With the length of 2.5cm or below With the length of 4.0cm or below
Double warp and double weft Not permitted Not permitted Not affecting the appearance The length is unlimited
Slippage Not permitted 2 pcs 6 pcs Not affecting the appearance
Buckling Not permitted Not permitted 4.0 cm in length and the width is less than 1.0cm Not obvious
Weft density is not uniform Not permitted Not permitted Not obvious Not affecting the appearance
Granular roving Not permitted Not permitted Not permitted Not permitted
Buckling chevron Not permitted Not permitted Not permitted Not permitted
Broken warp and broken weft (1 piece) Not permitted Not permitted Not permitted Not permitted
Scratch damage Not permitted Not permitted Not permitted Minor
Lightly-oiled yarn Not permitted With the length of 1.5cm or below With the length of 2.5cm or below With the length of 4.0cm or below
Shade bar Not permitted Not permitted Minor Not affecting the appearance
Slight color spot (stain) Not permitted Not permitted Within (0.2×0.2)cm2 Not affecting the appearance
Figure 1
3.8 Sewing
3.8.1 Stitch length density shall be in accordance with those specified in Table 4, except in special design.
Table 4
Items Stitch length density Remarks
Top and blind stitch No less than 12 stitches/3cm —
Quilting twine No less than 9 stitches/3cm —
Overlock stitch No less than 12 stitches/3cm Including lock stitch (chain line)
Buttonhole No less than 12 stiches/1cm —
3.8.2 The sewing of all parts shall be flat, smooth, straight, regular and firm, with uniform stitches.
3.8.3 The upper and lower thread are suitable in elasticity and free from skipped or broken stitches. Back stitching shall be provided at the place with starting and ending stitches.
3.8.4 No skipped stitch is allowed on the collar; ,each part shall be free from any continuous skipping stitches or more than one individual skipping stitches within 30cm; chain stitch shall be free from any skipping stitch.
3.8.5 Collar shall be flat and smooth; the top, lining and support of collar shall possess suitable elasticity; the collar point shall not upturn.
3.8.6 The set in sleeve shall be even and smooth; the easing shall be uniform and basically consistent for front and back of the sleeves.
3.8.7 The stitched part at the sleeve cap, pocket and garment piece shall be uniform, flat and smooth, without skewing.
3.8.8 The trademark and permanent label shall be upright, flat and smooth.
3.8.9 The buttonhole shall be exactly positioned with suitable size; two ends shall be sealed-off, and it shall be runproof at the position where the buttonhole is gashed.
3.8.10 The sewing button shall match with the buttonhole and sewed neatly and firmly. The height of the shank shall be suitable, the thread knot shall not be exposed and the button sewing thread shall be nonravel.
3.8.11 The snap buttons (press snap button) shall be firm with suitable elasticity.
3.8.12 There shall be no metal needle or metal sharps in the finished products.
Contents of GB/T 2660-2017
Foreword i
1 Scope
2 Normative References
3 Requirements
4 Inspection Methods
5 Inspection Rule
6 Marking, Packaging, Transport and Storage
