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FZ/T 73032-2017
Chinese Standard: 'FZ/T 73032-2017'
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Detail Information of FZ/T 73032-2017; FZ/T73032-2017
Description (Translated English): Knitted jeanswear
Classification of Chinese Standard: W63
Classification of International Standard: 59.080.30
Word Count Estimation: 15,180
Older Standard (superseded by this standard): FZ/T 73032-2009
Quoted Standard: GB/T 250; GB/T 1335.1; GB/T 1335.2; GB/T 1335.3; GB/T 2910.1; GB/T 2910.2; GB/T 2910.3; GB/T 2910.4; GB/T 2910.5; GB/T 2910.6; GB/T 2910.7; GB/T 2910.8; GB/T 2910.9; GB/T 2910.10; GB/T 2910.11; GB/T 2910.12; GB/T 2910.13; GB/T 2910.14; GB/T 2910.15
Drafting Organization: Jiangsu Zhongheng Dyeing and Finishing Co., Ltd.
Administrative Organization: National Textile Standardization Technical Committee Knitwear Branch
Regulation (derived from): Ministry of Industry and Information Technology Bulletin 2017 No. 48
Summary: This standard specifies the terms and definitions, product type, requirements, test methods, determination rules and product instructions for use, packaging, transportation and storage of knitted jeans. This standard applies to the identification of quality knitted denim clothing. This standard does not apply to infants and young children knitted denim garments aged 36 months or less.
Knitted jeanswear
People's Republic of China Textile Industry Standard
Replace FZ/T 73032-2009
Knitted denim clothing
This standard replaces FZ/T 73032-2009 "Knitted Denim", the main technical changes compared with FZ/T 73032-2009 are as follows.
--- Revised the scope of application of the standard (see Chapter 1, Chapter 1 of the.2009 edition);
--- Adjusted the top break strength assessment indicators (see Table 1, Table 1 of the.2009 edition);
--- Adjusted the water wash size change rate indicator (see Table 1, Table 1 of the.2009 edition);
--- Adjusted the distortion rate indicator after washing (see Table 1, Table 1 of the.2009 edition);
--- Removed the color fastness to saliva (see Table 1 of the.2009 edition);
--- Increased pilling assessment indicators and increased test methods (see Table 1 and 6.2.10);
--- Increased soap fastness index and test method (see Table 1 and 6.2.14);
--- Increased wear resistance indicators and test methods (see Table 1 and 6.1.16);
--- Increased the quality assessment indicators and test methods for the appearance after washing (see Table 1 and 6.2.17);
--- Revised the fiber content assessment requirements (see Table 1, Table 1 of the.2009 edition);
--- Refined the rules of the surface and other comments (see Table 2, Table 2 of the.2009 edition);
--- Adjusted the sizing part size difference assessment provisions (see Table 3,.2009 version of 5.4.4);
--- Revised the joint test method for the seam strength of the trousers (see 6.2.7, 6.2.2 of the.2009 edition);
--- Increase the formula for calculating the dimensional change rate of water washing (see 6.2.8.4);
--- Added an example of the measurement part before and after the washing of the dress and an example of the dress measurement part in the appearance quality (see Figure 3 and Figure 10).
This standard was proposed by the China National Textile and Apparel Council.
This standard is under the jurisdiction of the National Textile Standardization Technical Committee Knitwear Branch (SAC/TC209/SC6).
This standard was drafted. Jiangsu Zhongheng Dyeing and Finishing Co., Ltd., Biyin Lefen Clothing Co., Ltd., Zhejiang Baoxi Bird Clothing Co., Ltd.
Company, Tianfang Standard Testing Technology Co., Ltd., Blonde Rabbi Women's and Children's Products Co., Ltd., Tianfang Standard (Shenzhen) Testing and Certification Limited
The main drafters of this standard. Zhou Yaqiu, Guo Yaoguo, Zhao Guohua, Zhao Juanzhi, Lin Ruowen, Li Bo.
---FZ/T 73032-2009.
This standard specifies the terms and definitions of knitted denim garments, product types, requirements, test methods, judgment rules, and product use.
Ming, packaging, transportation and storage.
This standard applies to the quality of knitted denim clothing.
This standard does not apply to infant knitted knitwear that is 36 months old or younger.
GB/T 250 Textile color fastness test for gray color card for color change
GB/T 2910 (all parts) Quantitative chemical analysis of textiles
GB/T 2912.1 Determination of formaldehyde - Part 1 . Free and hydrolyzed formaldehyde (water extraction method)
GB/T 3920 Textile color fastness test color fastness to rubbing
GB/T 3921-2008 Textile color fastness test color fastness to soaping
GB/T 3922 Textile color fastness test color fastness to perspiration
GB/T 4802.1 Determination of pilling performance of textile fabrics - Part 1
GB/T 4856 needle cotton fabric packaging
GB/T 5713 Textile color fastness test color fastness to water
GB/T 6411 knitted underwear size series
GB/T 7573 Determination of pH of textile water extracts
GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values
GB/T 8427-2008 Textile color fastness test resistance to artificial light color fastness. xenon arc
GB/T 8878 cotton knitted underwear
GB/T 17592 Determination of banned azo dyes for textiles
GB/T.19976-2005 Determination of the bursting strength of textiles
Textiles - Determination of abrasion resistance of textiles - Part 2. Determination of breakage of specimens
GB 31701 Safety technical specifications for infant and child textile products
FZ/T 01026 textile quantitative chemical analysis four-component fiber mixture
FZ/T 01031-2016 Determination of joint strength and elongation of knitted fabrics and elastic woven fabrics
FZ/T 01057 (all parts) Textile fiber identification test method
FZ/T 01095 Test method for fiber content of textile spandex products
FZ/T 01101 Determination of textile fiber content
FZ/T 80002 Clothing signs, packaging, transport and storage
GSB16-1523 Knitted fabric pilling sample
GSB16-2500 Knitted fabric surface color sample
A denim-style washed garment made by a knitting weaving method and a woven denim dyeing process.
4 Product number type
4.1 The number of knitted denim garments shall be in accordance with GB/T 1335 (all parts) or GB/T 6411.
4.2 The main parts of the finished product are designed according to the requirements of their product styles.
Requirements are divided into two aspects. intrinsic quality and appearance quality. Intrinsic quality includes formaldehyde content, odor, pH, decomposable carcinogenic aroma
Amine dye, fiber content, bursting strength, seam strength after trousers, rate of change in washing size, twist rate after washing, pilling, color fastness to water, sweat resistance
Color fastness, dry rubbing fastness, soap fastness, light fastness, abrasion resistance, quality after washing, etc.; appearance quality includes
Indicators such as surface defects, dimensional differences in symmetrical parts, dimensional deviations of main parts of the finished product, and sewing regulations.
5.2 Classification regulations
5.2.1 The quality grade of knitted denim garments is divided into superior products, first-class products and qualified products.
5.2.2 The quality of knitted denim clothing is determined. the internal quality is based on criticism, the appearance quality is evaluated by piece, etc., and the combination of the two is determined by the lowest level.
5.2.3 Intrinsic quality indicators, with the lowest one of the test results as the basis for the evaluation of the batch of products.
5.2.4 Appearance quality evaluation shall be determined according to the surface defects, the difference in size, the deviation of the size and size of the main parts of the finished product, and the products specified by sewing.
Set, and so on. Only two extreme surface defects of the same grade are allowed on the same product, and one level is exceeded.
5.3 Intrinsic quality requirements
5.3.1 The internal quality requirements are shown in Table 1.
Table 1 Internal quality requirements
First-class quality products
Execute according to GB 18401
Fiber content /% According to GB/T 29862
Burst strength/N ≥ 250
After the pants, the seam strength/N ≥ 140
Washing dimensional change rate /%
Straight-3.0~ 1.0 -4.0~ 1.5 -5.0~ 1.5
Horizontal -3.5~ 1.0 -4.5~ 1.5 -5.5~ 1.5
Twist rate after washing /%
Top 2.5 3.0 3.5
Trousers, long skirt 1.5 2.5 3.5
Pilling/class ≥ 3-4 3 2-3
Color fastness to water/grade ≥ Discoloration, staining 3-4 3
Color fastness to perspiration/grade ≥ Discoloration, staining 3-4 3
Soap fast color fastness/grade ≥
Color change 3-4
Stained 3 2-3 2-3
Dry rubbing fastness/grade ≥ 3-4 3
Light fastness/grade ≥ 4 3
Wear resistance/time ≥ 18000
Appearance quality after washing
The printing part is not allowed to foam or fall off, and the sewing thread of the embroidery part is not serious.
Smooth, the decal parts are not disengaged, the attachments are not detached, rusted, and the hot drilling does not fall off
5.3.2 Elastomeric products (products containing elastic fibers) do not assess the dimensional change rate and bursting strength of the transverse washing.
5.3.3 The pilling only evaluates the front, and the front-grinding, napping, flocking products do not evaluate the pilling.
5.3.4 Special designs and non-straight tops, skirts with short hips smaller than the hem, short skirts and shorts do not assess the distortion rate after washing.
5.3.5 The abrasion resistance is not evaluated for fabrics of 245 g/m2 and below.
5.3.6 Children's knitted denim garments shall also comply with the relevant requirements of GB 31701.
5.4 Appearance quality requirements
5.4.1 Surface 疵 reviews and other regulations
Table 2 Surface 疵 reviews and other regulations
名称 名称 名称 优 优 优 优 优 合格 合格 合格 合格
Color difference ≥ 4 grades between main materials and 3-4 grades between main and auxiliary materials
3-4 grades between the main materials,
Level 3 between main and auxiliary materials
Big belly yarn (two) is not allowed
Main part. slight permission,
Other parts are not allowed
Slightly allowed
Sewing twists and turns ≤
Main part and open line part
0.3cm, other parts 0.5cm
Main part 0.5cm
Main part. 0.5cm,
Other parts. allowed
Sewing oil stain ≤ collar, 襟, bag parts are not allowed
Light 20cm,
Deep not allowed
Ironing and yellowing, discoloration is not allowed
Damaged defects are not allowed
Sewing unevenness does not allow slight permission to be clearly allowed, significantly not allowed
Zipper is not uniform, not straight, does not allow slight permission, obviously allowed, significantly not allowed
Lost work, wrong work, missing parts, broken defects are not allowed
The defects not listed in the table shall be implemented in accordance with the provisions of GB/T 8878.
The degree of surface defects is performed in accordance with GSB16-2500.
Note 1. The main part refers to 2/3 of the upper part of the top, and there are no main parts of pants and skirts.
Note 2. Slight. Intuitively not obvious, can be seen through careful identification;
Obviously. does not affect the overall effect, but can feel the existence of defects;
Significant. A point that significantly affects the overall effect.
5.4.2 Symmetrical size difference
Table 3 Symmetrical part size difference is in centimeters
Class of superior products, first-class quality products
≤50 0.5 0.5 0.8
>50 0.8 1.0 1.5
5.4.3 Dimensional deviation of the main part of the finished product
Table 4 The main part of the finished product specification size deviation unit is cm
(cloth length, sleeve length, pants length, skirt length)
60cm and above ±1.0 ±2.0 ±2.5
Below 60cm ± 1.0 ± 1.5 ± 2.0
Transverse (total shoulder width, 1/2 chest circumference, 1/2 waist circumference, 1/2 hip circumference) ±1.0 ±1.5 ±2.0
Note. 1/2 hip circumference only evaluates short skirt products.
5.4.4 Sewing regulations (not classified, etc.)
5.4.4.1 The stitch density specification is based on the product process requirements.
5.4.4.2 The product collar is straight, the door sill is straight, the zipper is smooth, and the ironing is smooth.
5.4.4.3 The sewing circuit of each part is straight, tidy, firm and elastic.
5.4.4.4 There shall be no two single jump stitches and continuous jump stitches within 30cm of each part of the seam. The chain stitches shall not allow the jump stitches.
5.4.4.5 There should be no obvious misalignment between the buckle and the eye, and the buckle is firm.
5.4.4.6 Embroidery, hot drilling and other decorative objects should be firm and flat.
5.4.4.7 Reinforce the joint at the shoulder, the joint of the crotch and the fork, and the edge of the seam with reinforcement lining, back needle, double needle stretch.
5.4.4.8 Sewing thread with strong strength, shrinkage, color and fabric is used for sewing products, except for decorative thread.
6.1 Intrinsic quality sample preparation and test conditions, appearance quality inspection conditions, sampling quantity
Execute according to GB/T 8878.
6.2 Intrinsic quality inspection
6.2.1 Formaldehyde content
Execute according to GB/T 2912.1.
6.2.2 Odor
Execute according to GB 18401.
6.2.3 pH value
Execute according to GB/T 7573.
6.2.4 Decomposable carcinogenic aromatic amine dye
Execute according to GB/T 17592.
6.2.5 Fiber content
According to FZ/T 01057 (all parts), GB/T 2910 (all parts), FZ/T 01026, FZ/T 01095, FZ/T 01101
6.2.6 bursting strength
According to the provisions of GB/T.19976-2005, the diameter of the steel ball is (38 ± 0.02) mm.
6.2.7 After the pants, the seam strength
It is carried out according to the method B of FZ/T 01031-2016, in which the yarn slip phenomenon is not included in the sample fracture reason. Test 1 piece, take
According to the provisions of Appendix A, the joints should be appropriately widened to avoid the off-line affecting the test results.
6.2.8 Washing dimensional change rate
6.2.8.1 The test method for the dimensional change rate of water washing is carried out according to GB/T 8878, and the number of test pieces is 3.
6.2.8.2 The measurement method of water washing dimensional change rate is shown in Table 5.
Table 5 Water washing dimensional change rate measurement site
Category measurement site
The length of the garment is measured by the highest point of the shoulder seam.
1/2 bust is measured by the intersection of the sleeve quilting and the rib seam 5cm downward
The length of the trousers is measured along the trousers from the side waist to the side of the trousers.
The middle leg is wide from the 1/2 to the side of the cuff
The length of the skirt is measured along the skirt from the side waist to the bottom of the skirt.
1/2 hip circumference is measured by 1/2 of the length of the skirt
6.2.8.3 Washing dimensional change rate measurement site.
a) The length of the top and the 1/2 bust are taken as the measurement parts of the straight and the lateral direction.
Based on the calculation, the measured value of the body of the 1/2 chest circumference is used as the calculation basis. The measurement position before and after the washing of the top is shown in Figure 1.
b) The trousers take the length of the trousers and the width of the middle leg as the measuring part of the straight and the lateral direction. The length of the trousers is calculated by the average of the length of the left and right trousers.
According to the horizontal direction, the average value of the width of the left and right middle legs is used as the calculation basis, and the measurement parts before and after the washing of the trousers are shown in Fig. 2.
c) The dress takes the length of the skirt and the 1/2 bust as the measurement part of the straight and the lateral direction. The average length of the skirt is 4 points around the back of the back body.
According to the calculation basis, the measurement value of the body of the 1/2 chest circumference is used as the calculation basis, and the measurement position before and after the washing of the dress is shown in Fig. 3.
d) The short skirt takes the length of the skirt and the 1/2 hip circumference as the measurement part of the straight and the lateral direction. The length of the skirt is calculated based on the average of the left and right side skirt lengths.
According to the measurement part of the skirt before and after washing, see Figure 4.
Figure 1 Example of measuring parts before and after washing
Figure 2 Example of measuring parts before and after washing the pants
Figure 3 Example of measuring parts before and after washing
Figure 4 Example of measuring parts before and after washing in the skirt
6.2.8.4 Calculation of results. Calculate the dimensional change rate of the straight or horizontal washing according to formula (1). The minus sign (-) indicates the dimensional shrinkage, positive sign ( )
Indicates that the dimension is elongated (inverted). The final result is revised according to GB/T 8170, retaining one decimal.
L0 ×
A --- Straight or horizontal washing dimensional change rate;
L1 --- average of the dimensions after straight or horizontal washing (accurate to 0.1cm) in centimeters (cm);
L0 --- Average of the dimensions before straight or horizontal washing (accurate to 0.1 cm) in centimeters (cm).
6.2.9 Distortion rate after washing
6.2.9.1 Measurement preparation
Spread the dimensional change rate of the product on a smooth countertop, gently tap it by hand, and each product has the highest skewness.
The side measurement is based on the average of the distortion rate of 3 pieces.
6.2.9.2 Measurement location and method
The measurement of the distortion rate of the top after washing is shown in Figure 5. The measurement of the distortion rate of the trousers after washing is shown in Figure 6. The distortion rate measurement section of the skirt after washing
The bit is shown in Figure 7.
a---the distance between the point at which the rib seam and the sleeve quilt intersect perpendicularly to the bottom edge and the end point after twisting;
b---The distance between the rib seam and the quilting of the sleeve is perpendicular to the bottom edge.
Figure 5 Measurement of the distortion rate of the top after washing
a---the distance between the intersection of the inner seam and the side of the cuff and the end of the twist;
b---The distance between the bottom point and the inside of the hem.
Figure 6 Tear rate measurement part after washing
a---the distance between the point at the bottom of the skirt and the side seam and the intersection between the side seam and the bottom edge;
b---The distance between the skirt waist and the side seam is perpendicular to the bottom edge.
Figure 7 Twist rate measurement part of the skirt after washing
6.2.9.3 Calculation of results
The distortion rate after washing is calculated according to formula (2). The average value of the distortion rate after washing with 3 pieces of water is used as the calculation result, and finally according to GB/T 8170.
Make a contract and keep a decimal.
b ×100%
F---distortion rate.
6.2.10 Pilling
Execute according to the E method of GB/T 4802.1, and the rating is evaluated according to the style of the fabric and the shape of the pilling according to GSB16-1523.
6.2.11 Color fastness to water
Execute according to GB/T 5713.
6.2.12 Color fastness to perspiration
Execute according to GB/T 3922 regulations.
6.2.13 Color fastness to dry rubbing
According to the provisions of GB/T 3920, only for straight.
6.2.14 Color fastness to soaping
Execute according to the method A(1) in GB/T 3921-2008.
6.2.15 Light fastness to light
Execute according to the method 3 of GB/T 8427-2008.
6.2.16 Anti-friction performance
Execute according to GB/T 21196.2.
6.2.17 Appearance quality after washing
After washing and drying according to the washing dimensional change rate method specified in this standard, the evaluation is carried out in combination with Table 1.
6.3 Appearance quality inspection
6.3.1 Color difference rating
Execute according to GB/T 250 regulations.
6.3.2 Examples and specifications of finished product measurement parts
6.3.2.1 An example of the measurement position of the top is shown in Figure 8.
1---length;
2---1/2 bust;
3---sleeve length;
4---Total shoulder width.
Figure 8 Example of the measurement part of the top
6.3.2.2 An example of the measurement position of the trousers is shown in Figure 9.
1---length of pants;
2---1/2 waist circumference.
Figure 9 Example of the measurement part of the pants
6.3.2.3 An example of a skirt measurement site is shown in Figure 10.
1---skirt length;
2---skirt sleeve length;
3---1/2 bust;
4---1/2 waist circumference;
5---1/2 hip circumference.
Figure 10 Example of a skirt measurement site
6.3.2.4 The measurement site of the finished product is specified in Table 6.
Table 6 Specification of finished product measurement parts
Category number part measurement regulations
1 The length of the garment is measured by the highest point of the shoulder seam.
2 1/2 bust is measured by the intersection of the sleeve quilting and the rib seam 2cm downward
The flat sleeve is measured by the intersection of the shoulder seam and the sleeve quilting to the middle of the cuff;
The raglan type is measured from the middle of the back collar to the middle of the cuff
4 The total shoulder width is flattened by the intersection of the shoulder sleeves
1 The length of the trousers is measured along the trousers from the side of the waist to the side of the trousers.
2 1/2 waist buckle button, straighten the middle of the waist width
1 skirt length
The dress is vertically measured at the highest point of the shoulder seam;
The short skirt is vertically measured along the skirt from the side waist to the bottom of the skirt.
2 sleeve length (dress)
3 1/2 bust (dress) traverses 2cm down from the intersection of the quilt and the side seam
4 1/2 waist circumference
The dress is tiling at the narrowest part of the waist;
The short skirt buckles the button and the middle side of the waist
5 1/2 hip skirt skirt waist level down 18cm
7 Decision rules
7.1 Appearance quality is determined according to the following rules.
a) Appearance quality is calculated according to the variety, color, and size. If the rate of non-compliance is within 5.0%, the batch is judged
The product is qualified; if the rate of non-compliance is above 5.0%, the batch is judged to be unqualified.
b) The inner packaging mark error is calculated by piece, and no outer packaging error is allowed.
7.2 Intrinsic quality is determined according to the following rules.
a) If the intrinsic quality is in accordance with 5.3 and one item is not met, the batch is judged to be unqualified. Where the color fastness items are not met, press
The color determines that the batch of products is unqualified.
b) The rate of change of the washing size is the test result of the arithmetic mean of all the samples, and the qualified person determines that the batch of products is qualified, and the unqualified person
The batch was judged to be unqualified. If there are both shrinkage and uplift test results, the two pieces of the sample that shrink (or rise) are counted.
The average value of the operation is used as the test result, and the qualified person determines that the item is qualified, and the unqualified person determines that the item is unqualified.
c) At least 2 or more quality inspection results after washing, those who pass the test shall determine that the project is qualified, and those who fail shall determine that the project is not
7.3 Products that seriously affect the appearance and performance of the product are not allowed.
8 Product instructions, packaging, transportation, storage
8.1 The instructions for use of the product shall be carried out in accordance with the provisions of GB/T 5296.4, and the children's products shall be implemented in accordance with GB/T 5296.4 and GB 31701.
8.2 The product packaging is determined by FZ/T 80002, GB/T 4856 or by the company.
8.3 The product should be transported against moisture, fire and pollution.
8.4 The product should be stored in a cool, sheltered, sheltered, dry warehouse.
After the trousers, the seams are strongly tested at the sampling site.
See Figure A.1 for the sampling area of the sturdy joint strength test.
Figure A.1 Schematic diagram of the sampling part of the seam strength test after the trousers
Related standard: FZ/T 73028-2017 FZ/T 73024-2014