FZ/T 73048-2013Knitted five-toe Hosiery (English PDF)

Foreword

This standard was drafted 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 Textile Standardization Technical Committee Knitwear Subcommittee (SA/TC209/SC6).

This standard was drafted. Ningbo Baifutian Industrial Co., Ltd., Yixing Yidie Knitting Co., Ltd., Haining Nair Socks Co., Ltd.

Division, Zhongshan Fenghua Socks Co., Ltd., Zhejiang Mengna Socks Co., Ltd., Jilin Northeast Socks Textile Industrial Park Development Co., Ltd., Zhejiang Jiangjia Mengyi Socks Co., Ltd., Haosha Industry (Fujian) Co., Ltd., Zhejiang Buyen Knitting Co., Ltd., Zhejiang Kanglongda Special Protection Technology Co., Ltd.

1 Scope

This standard specifies the terms and definitions of knitted toe socks, product classification, requirements, test methods, determination rules, product instructions, and packages.

Loading, transportation, storage, etc.

This standard is applicable to the quality of warp knitting and weft knitting toe socks of various types of fiber weaving. Other toe socks and open toe socks can be implemented.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 250 Textile color fastness test for gray color card for color change GB/T 2910 (all parts) Quantitative chemical analysis of textiles Textiles -- 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 Test method for color fastness to perspiration of textiles GB/T 3922 GB/T 4856 needle cotton fabric packaging GB 5296.4 Instructions for use of consumer products - Part 4. Textiles and clothing GB/T 5713 Textile color fastness test color fastness to water GB/T 6529 Standard atmosphere for textile conditioning and testing GB/T 7573 Determination of pH of textile water extracts GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB 9994 textile material official moisture regain GB/T 17592 Determination of banned azo dyes for textiles GB 18401 National Textile Products Basic Safety Technical Specifications FZ/T 01053 Identification of textile fiber content FZ/T 01057 (all parts) Textile fiber identification test method FZ/T 01095 Test method for fiber content of textile spandex products GSB16-2159 Standard Depth Sample Card for Knitting Products (1/12) GSB16-2610 Sock surface color sample photo

3 Terms and definitions

The following terms and definitions apply to this document.

Kneeling toe socks (five toe boat socks) knittedfive-toefootcover the socks are located in the toe socks of the ankle and below.

Short tube toe socks knittedfive-toeanklesock the toe is located in the lower part of the lower leg and above the ankle.

Necket toe socksknittedknee-highfive-toesock the sock is located under the knee and the upper toe of the lower leg.

Long toe socks, knittedfive-toestocking the toe socks are located above the knees.

4 Product Categories

4.1 The products are divided into two types. warp-knitted toe socks and weft-knitted five-toe socks according to the weaving method.

4.2 Warp-knitted five-toe socks are divided into underarm five-toe socks (five toe boat socks), short tube five toe socks, middle tube five toe socks, long tube five toe socks, and rompers.

Toe socks.

4.3 Weft-knitted five-toe socks are divided into short-tube and five-toe socks, and five-toe socks (short-tube toe socks, middle-tube five-toe socks and long-tube five-toe socks).

5 Requirements

6 Sewing pleating

Socks, waist stitches are not allowed, other parts are light Micro-allow Slightly allowed

7 Elastic strips, color strips

Slight foot surface limit of 3, obvious socks Bit allowed Apparent foot parts are limited to 3, other parts Bit allowed

Table 4 (continued)

Hosiery serial number, first-class product, first-class product 8 socks are not flat (bubble, wrinkle) slight does not affect the appearance allows obvious permission 9 broken wire, broken core, broken hole, repair is not allowed 10 colors of flowers, oil stains, and slight staining allow for obvious removal of the foot surface 11 color difference same double 4-5 level and above allows the same double level 4 and above allowed 12 repair marks the foot surface is not allowed, other parts are slight Allowed at 0.5cm1 Slight 1cm2 allowed

13 Thread heads are allowed within 0.5cm~1.5cm

14 Thick wire (line)

Slight. the foot surface is limited to 1cm, and other parts are tired.

Counting 0.5 turns

Obvious. the cumulative limit of the foot surface is 0.5 rpm.

3 parts within 0.5 rpm of other parts

15 Spun yarn

The position of the sock is not limited, the point of stress is not allowed, other the position is limited to 0.5 rpm Slight. no effort is allowed, others Unlimited

16 Yarn breakage is not allowed

17 Thin needle

Slight. 3 parts of the foot surface, obvious. socks Site allowance Obvious. 3 parts of the socks are limited

18 Flower needle

Non-continuous small flower needle limit of 6, nylon stockings, plain Socks and embroidered socks are not allowed on the foot surface Non-continuous small flower needle limit 10, nylon stockings the foot surface is limited to 2, and the plain socks are limited to 6 19 flower type variant does not affect the appearance of a person who slightly affects the appearance of a pair of similar 20 scratches no part of the foot is allowed, minor scratches are allowed 0.5cm1 Minor scratches allowed at 1cm2 21 repairs are not allowed 22 挂口疵点口口套歪不显罗口套歪 is more obvious 23 color flowers Slight foot area allows, other parts are obvious allow Obvious permission

24 Color difference

A pair of two-color 4, two color 4, plain socks not allowed. Strip 3, sock, sock, socks the head and the heel have a color difference of 3 levels. Double three system is not limited One pair of two colors and two sections of color 3-4.

Socks, socks body color difference 2-3

25 Oil stains,, and slight staining allow, white socks are not allowed on the foot surface Obviously allowed, the white socks are not at the foot allow

26 Length is not limited to 1cm

Wide and tight tightness, spandex Exposed Slight permission allows obvious permission

Note 1. The length of the appearance defect is measured and measured by the longest length (diameter) of the defect.

Note 2. Appearance of surface defects is assessed according to GSB16-2610.

Note 3. Descriptive degree description.

--- Minor. The point is not obvious in the visual, it can be seen through careful identification.

--- Obvious. Does not affect the overall effect, but can feel the existence of defects.

--- Significantly. The degree of defects significantly affects the overall effect.

5.3.5 Sewing regulations

5.3.5.1 Warp-knitted toe socks. Five-toed pantyhose is sewn with three-wire and four-line overlock sewing machines. The width of the seam (knife door) is 0.3cm~0.4cm.

The three-line overlock is not less than 8 needles/cm, the four-wire overlock is not less than 6 needles/cm, and the three-needle four-wire or three-needle five-line stretch is not less than 5 needles/cm.

The horizontal stretch is not distracted, and the seam position of the waist is straight in the middle of the back waist, and is sewn with a stretch sewing thread.

5.3.5.2 The horizontal stretch of the weft-knitted five-toe socks is not stretched.

5.4 Intrinsic quality requirements and grading regulations

5.4.1 The straight and lateral extension values of the warp-knitted toe socks are shown in Tables 5 and 6.

Table 5 The right and horizontal extension values of the five toe socks (five toe boat socks) are in centimeters.

Category socks

Straight extension

Lateral extension

Sock bottom, three toe long toe stockings Underarm toe socks (five toe boat socks) 20~22 24 22~24 27 24~26 30 26~28 33

Table 6 Other style warp knitting toe socks straight, horizontal extension value in centimeters

category

Straight extension

Lateral extension

20~24 24~28 straight leg long waist socks tube hip wide socks Big and three Toe length Small toe length Big and three Toe length Small toe length Short tube toe socks Middle tube toe socks Long toe socks Pantyhose 5 4 6 5 - - -5 4 6 5 50 135 50

5.4.2 The lateral extension values of the weft-knitted five-toe socks are shown in Tables 7 and 8.

Table 7 The horizontal extension of the weft-knitted non-five toe socks is in centimeters

Sock

Socks

Short tube, tube, tube, tube, tube 17 22 25 17 22 25

Table 8 Weft-knitted short tube with five-toed socks horizontal extension value in centimeters

Sock number

Sock

Socks

16~18 14 15

18~20 15 15

20~22 16 16

22~24 16 17

24~26 17 18

26~28 18 19

28~30 19 20

5.4.3 Other quality requirements for intrinsic quality are given in Table 9.

Table 9 Other quality requirements for the intrinsic quality of the five toe socks

First-class quality products Fiber content /% Execution according to FZ/T 01053 Formaldehyde content/(mg/kg) pH value Odor Decomposable carcinogenic aromatic amine dye/(mg/kg) Execute according to GB 18401 Water fastness/grade >= Color change 3-4 3 Stained 3-4 3 Color fastness to perspiration/level >= Color change 3-4 3 Stained 3-4 3 Color fastness to rubbing/grade >= Dry 3-4 3 Wet Mo 3 (Dark 2-3) 3 (Dark 2-3) Soap fast color fastness/grade >= Discoloration Staining 3-4 3 Warp knitting toe socks horizontal extension value/cm Warp knitting toe socks straight extension/cm Weft knitting five-toed socks lateral extension value/cm Socks, socks Waist, hip width Straight Leg length Bottom length Toe length Socks, socks in accordance with the provisions of this standard Note. Color binning. According to GSB16-2159 standard, >1/12 standard depth is dark, <=1/12 standard depth is light.

5.4.4 Intrinsic quality indicators, with the lowest one of the test results as the basis for the evaluation of the batch of products.

6 Test methods

6.1 Number of samples

6.1.1 Appearance quality According to the delivery batch, the sampling, color and specification are randomly sampled by 2%~3%, but not less than 10 pairs (Article).

6.1.2 The intrinsic quality shall be randomly sampled by the delivery batch, by type, color and specification, not less than 6 pairs (Article).

6.2 Appearance quality inspection conditions

6.2.1 Lighting inspection is generally used. Use a 40W glaucoma or white fluorescent lamp with a lampshade, and inspection countertop center Vertical distance 50cm ± 5cm or under D65 light source.

6.2.2 If indoor natural light is used, the light should be properly placed. The direction of light in the direction of the north to the left (or right) is not allowed to direct sunlight.

6.2.3 During the inspection, the product shall be spread evenly on the inspection platform. The inspector shall face the surface of the product. If the suspicious defect involves the intrinsic quality, Fine inspection or reverse inspection, but the rating is considered to be straight.

6.2.4 When measuring the size of the specification, it should be measured without external tension.

6.3 Test preparation and test conditions

6.3.1 Intrinsic quality specimens shall not have defects that affect the accuracy of the test.

6.3.2 Experimental room temperature humidity requirements, the sample shall be conditioned according to the standard atmosphere of GB/T 6529, and the test shall be carried out after the humidity control meets the requirements.

6.4 Test items

6.4.1 Specification size test

6.4.1.1 Test tool. The measuring ruler shall have a length greater than the test length and a graduation value of millimeters.

6.4.1.2 Test operation. Place the five-toe socks on a smooth surface, and measure the measuring rod according to the corresponding parts. See Figure 1~3 for details.

6.4.2 Straight and lateral extension test

6.4.2.1 Test equipment Test equipment includes.

a) Electric cross puller. standard tension 25N ± 0.5N, extended standard pull 33N ± 0.65N; moving lever travel speed is 40mm/s±2mm/s;

b) Multi-functional stretching instrument. adjustable within the range of 0.1N~100N, length measurement range (25±1)cm~(300±1)cm, shift the moving speed of the moving lever is 40mm/s±2mm/s, the standard pulling force is 25N±0.5N, and the extended standard pulling force is 33N±0.65N.

6.4.2.2 Test site

6.4.2.2.1 The weft-knitted five-toed socks are only evaluated for the horizontal extension value, and the straight and horizontal extension values of the warp-knitted five-toe socks are evaluated.

6.4.2.2.2 The test part of the five-toed socks (five toe boat socks) (warp toe socks).

a) lateral extension of the sock. both ends of the sock;

b) Straight extension of the sole. 1.0cm from the tip of the toe to the heel;

c) The long straight extension of the toe. 0.5 cm from the tip of the toe to the center of the toe bifurcation.

6.4.2.2.3 Test section of short, medium and long toe socks (warp and weft knitting toe socks).

a) Horizontal extension of the sock. middle of the sock.

b) Horizontal extension of the sock. The middle stocking is 5cm below the sock. The stockings are 10cm below the sock.

c) The long straight extension of the toe. 0.5 cm from the tip of the toe to the center of the toe bifurcation. Only the warp-knitted five-toe socks are evaluated.

6.4.2.2.4 Test area of trousers toe socks (warp toe socks).

a) lateral extension of the waist. middle of the waist;

b) lateral extension of the hip width. 10 cm below the waist;

c) lateral extension of the sock. 10cm below the straight squat;

d) Straight extension. from the waist to the extension of the bottom;

e) leg length extension. from the bottom extension line to 1.5cm from the tip of the three toes;

f) The long straight extension of the toe. 0.5 cm from the tip of the toe to the center of the toe bifurcation.

6.4.2.2.5 Short tube with five toe socks test site (weft knitting toe socks).

a) Horizontal extension of the sock. middle of the sock.

b) The lateral extension of the sock. the middle of the tube.

6.4.2.3 Test operation

6.4.2.3.1 Test cotton, 50% or more blended and interwoven socks with extended standard tensile force. Testing synthetic stockings and other blends with standard pull Spinning and weaving socks. The standard tension is 25N±0.5N, and the standard tensile force is 33N±0.65N.

6.4.2.3.2 Tensile socks for five-toed socks. first stretch in the horizontal part, and then stretch for 30 minutes before stretching.

6.4.2.3.3 Straight-line extension test The tensile test is carried out by folding the waist to the left and right sides of the crucible.

6.4.2.3.4 The straight extension of the toe length is carried out by manual tensile test. The measurement object and the scale are to be pulled at the same height.

The foot is kept and the measurement is performed in an elongated state.

6.4.2.3.5 The two leg lengths of the jumper toe socks shall be tested separately, except that the waist portion is stretched from the inside to the outside, and the other parts are clamped.

After clamping within 1 cm from the left and right edges, the stretching is performed.

6.4.2.3.6 If the specimen slips on the hook during the test, the test shall be repeated.

6.4.2.4 Calculation method the pass rate is calculated according to formula (1), and the result is rounded up to the whole number according to GB/T 8170.

A=nN ×100%

In the formula.

A---Qualification rate, %;

n --- test the total number of qualified places;

N---test the total number of places.

6.4.3 Fiber content test Execute according to GB/T 2910, FZ/T 01057, FZ/T 01095. Combined with the calculation of the official moisture regain rate, the official moisture regain rate is in accordance with GB 9994.

carried out.

Among them, the test site.

a) The underarm toe socks (five toe boat socks) do not include the socks part;

b) Other five-toe hosiery usually cuts the sock.

6.4.4 Formaldehyde test Execute according to GB/T 2912.1.

6.4.5 pH test

Execute according to GB/T 7573.

6.4.6 Odor test

Execute according to GB 18401.

6.4.7 Decomposable carcinogenic aromatic amine dye test Execute according to GB/T 17592.

6.4.8 Color fastness test Execute according to GB/T 5713.

6.4.9 Color fastness test for perspiration According to the provisions of GB/T 3922, cut the bottom of the socks.

6.4.10 Color fastness test According to the provisions of GB/T 3920, only straight (five-toed boat socks to take the bottom of the socks).

6.4.11 Color fastness test for soaping resistance Execute according to GB/T 3921-2008 Test Method A(1).

6.4.12 Color difference rating According to GB/T 250.

7 Decision rules

7.1 Appearance quality in the case of double (bar), if the rate of non-compliance is more than 5.0% or the hole is more than 3.0%, the batch is judged to be unqualified.

7.2 Intrinsic quality

7.2.1 Straight and horizontal extension values are acceptable for testing the qualification rate of 5 pairs of socks. Under normal circumstances, it can be at room temperature.

Test it down. In case of dispute, the test data under constant temperature and humidity conditions shall prevail.

7.2.2 The fiber content, formaldehyde content, pH value, odor, decomposable carcinogenic aromatic amine dye test results are all qualified, determine the batch of products Otherwise, the batch is judged to be unqualified.

7.2.3 The color fastness to water, the color fastness to perspiration, the color fastness to rubbing, and the color fastness to soaping are all qualified, and the product is judged to be If the unqualified person is separated, the batch is judged to be unqualified.

7.3 Re-inspection

7.3.1 Any party who has objection to the test results may request a re-inspection.

7.3.2 The results of the re-inspection shall be carried out in accordance with the provisions of 7.1 and 7.2 of this standard, and the result of the re-inspection shall prevail.

8 Product instructions, packaging, transportation, storage

8.1 Product use instructions are implemented in accordance with GB 5296.4 and GB 18401.

The specifications are marked.

a) There are socks and the number of the socks in centimeters;

b) Non-socks. short, medium and long toe socks are marked in centimeters as the appropriate height range or stocking number;

c) Romper toe socks are marked in centimeters for the appropriate height range and hip range.

8.2 The package shall be implemented in accordance with the provisions of GB/T 4856 or the agreement.

8.3 Product packaging and transportation should be fireproof, moisture proof and pollution prevention.

8.4 The product should be stored in a cool, ventilated, dry and clean warehouse, and it should be mildewproof and anti-mite.

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