FZ/T 35001-2013Ramie sock (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 Hemp Textile Subcommittee (SAC/TC209/SC4).

This standard was drafted. Hunan Ramie Technology Research Center, Hunan Huasheng Clothing Co., Ltd., Hunan Star Industry Co., Ltd.

Division, Hunan Shali Socks Co., Ltd., National Ramie Product Quality Supervision and Inspection Center, Jiangxi Jingzhu Industry Co., Ltd.

1 Scope

This standard specifies the terms and definitions, requirements, test methods, judgment rules, product use instructions, packaging, transportation and storage of ramie socks.

This standard applies to the identification of ramie socks (the content of ramie fiber is 50% and above). Ramie blended socks (ramie content is 35% and the above) can be referred to for execution.

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 251 Textile color fastness test for graying card with staining GB/T 2910 (all parts) Quantitative chemical analysis of textiles GB/T 2912.1 Determination of formaldehyde - Part 1 . Freely hydrolyzed formaldehyde (water extraction method) GB/T 3920 Textile color fastness test color fastness to rubbing GB/T 3921 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 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 FZ/T 30003 hemp cotton blended product quantitative analysis method microprojection method

3 Terms and definitions

The following terms and definitions apply to this document.

A sock that is woven from ramie fiber as the main raw material. The ramie fiber content should be 50% or more.

Ramie blended socks Ramieblendedsock A sock that is woven from ramie and other natural fiber blended yarns (with a ramie content of 55% or more in the blended yarn).

The ramie content should be 35% or more.

4 Requirements

5 Spinning, elastic

Slightly tapped the foot surface at 1cm1, other parts at 1.5cm2, slight tightening and tightness allow Slightly snagging 2.5cm2, obvious tightening and loose Tightening allowed

6 The area of the flower foot is not allowed, and the other parts are scattered 3 parts of the foot. 3 other parts are allowed.

7 flower shape deformation does not affect the aesthetics, slightly affects the appearance of a pair of similar

8 The pattern of the foot surface is limited to 3, and other parts are allowed to be allowed slightly.

9 Spun yarn

Slight. 0.3cm1 at the sock area, at the point of focus not allowed Slight. no force is allowed, other parts 0.5cm 2 places

10 Ray yarn

Slight. not allowed on the sock, sock, heel 0.3cm1 0.3cm2 at the surface of the sock, socks and socks 0.3cm 2 places

11 Wide tightness allows for obvious permission

Seam corner

Corner. Allow 2 needles for thick needles, 3 needles for medium needles, and 4 needles for fine needles.

Slightly tight

Corner. Allow 4 needles for thick needles, 5 needles for medium needles, and 6 needles for fine needles.

Apparently tight

Sewing needle, hole, half Silk, weaving holes not allowed not allowed

14 Crossing (seam) is not allowed to allow 0.5cm to allow 1cm

15 Luokou unevenness is allowed to be allowed slightly

16 color flowers, oil stains, slight staining does not affect the appearance, allowing obvious permission 17 color difference the same pair allows 4-5, the same sock, heel and socks 3-4 grades are allowed, except for colored socks and socks the same pair allows 4 levels, the same sock, sock and sock Allow 3 levels, except for colored socks and socks 18 different lengths the difference between the length and the total length of the same pair of socks should not exceed After 1cm, the difference between mouth height and mouth width should not exceed 0.5cm the difference between the length and the total length of the same pair of socks should not exceed After 1cm, the difference between mouth height and mouth width should not exceed 0.5cm 19 repair marks the surface of the foot is not allowed, and the other parts are repaired 0.5cm.

1 limit

Minor scratch repair allowed 20 repairs are not allowed the appearance of the surface defects is evaluated according to the "Socks surface color sample", and the color difference is evaluated according to GB/T 250.

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

Note 2. Appearance defects that are not specified in the provisions shall be handled as appropriate according to the corresponding defects.

Note 3. Description of the degree of defects. slight---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 Feeling the existence of defects; significant - the degree of defects significantly affect the overall effect.

4.4 Intrinsic quality requirements

4.4.1 The straight and horizontal extension values and the classification requirements are shown in Table 3.

Table 3 Straight, horizontal extension and grading specified in centimeters

Sock number

Lateral extension

Straight extension value (bottom length) Socks socks, first-class quality products the difference between the lateral and straight extension values of the same pair of socks should not exceed 2.5 cm.

4.4.2 Other requirements for intrinsic quality are shown in Table 4.

Table 4 Other requirements for intrinsic quality

First-class quality products Formaldehyde content/(mg/kg) pH value Odor Decomposable carcinogenic aromatic amine dye/(mg/kg) Color fastness to water (discoloration, staining)/grade Acid and alkali perspiration color fastness (discoloration, staining)/grade Rubbing fastness/grade Dry Wet friction >= According to GB 18401 3 (dark 2-3) Soap fast color fastness/grade discoloration, staining >= 3 Fiber content and deviation /% Performed by FZ/T 01053

Note 1. Color binning. >1/12 standard depth is dark, <=1/12 standard depth is light.

Note 2. Class A is for infants and young children (rice socks are not suitable for infant socks), and Class B is for direct contact with skin.

5 Test methods

5.1 Number of samples

5.1.1 Appearance quality According to the delivery batch, the sample, color, specification (specification size and tolerance, surface defect) are randomly sampled 2%~3%, but not Less than 15 pairs (including intrinsic quality inspection samples).

5.1.2 Intrinsic quality according to delivery batch, by type, color, specification; (straight) lateral extension value, fiber content, color fastness, formaldehyde content, pH the value, the decomposable carcinogenic aromatic amine dye, the odor, etc. are randomly sampled at least 5 pairs.

5.2 Appearance quality inspection conditions

5.2.1 Lighting inspection is generally used. Use a 40W glaucoma or white fluorescent lamp with a lampshade on it and a lampshade on the center of the test bench.

Vertical distance 50cm ± 5cm or under D65 light source.

5.2.2 If indoor natural light is used, the light should be appropriate, and the light is incident in the north to the left (or right) upper corner. It is not allowed to direct sunlight.

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

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

5.3 Test preparation and test conditions

5.3.1 The test sample shall not have any defects that affect the accuracy of the test.

5.3.2 Experimental room temperature humidity requirements, before the test, it should be unfolded at room temperature for 20h, then the laboratory temperature is 20 °C ± 2 °C, relative the test was carried out after standing for 4 hours under the conditions of a humidity of 65% ± 3%.

5.4 Test items

5.4.1 Specification size test

5.4.1.1 Test tool. The measuring ruler shall have a length greater than the test length and accurate to 0.1 cm.

5.4.1.2 Test operation. When measuring the length of the sole, place the socks flat on a smooth surface, and measure the points of the socks and the ends of the sock with a measuring ruler.

measuring.

5.4.2 Straight and lateral extension test

5.4.2.1 Test equipment Test equipment includes.

a) Electric cross puller. the extended standard pull force is 33N±0.65N; the moving speed of the moving lever is 40mm/s±2mm/s;

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

5.4.2.2 Test site

Test sites include.

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

b) Horizontal extension of the sock. The bottoming socks are measured at 1 cm below the heel of the sock and the heel. Single stockings in the middle of the tube measuring.

c) Straight extension of the sole. 1.0cm from the tip of the sock to the vertical line of the sock and the sole.

5.4.2.3 Test operation

5.4.2.3.1 Test ramie socks with extended standard pull.

5.4.2.3.2 Long straight tensile test of ramie socks. The two chucks of the tensile tester are respectively clamped at 1.0cm below the sock and over the socks.

At the vertical line of the sole, the tensile value was measured.

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

5.4.2.3.4 Calculation method (results retain integer). Calculate the pass rate according to equation (1).

A=nN ×100%

In the formula.

A---Qualification rate, %;

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

N---test the total number of places.

5.4.3 Formaldehyde test Execute according to GB/T 2912.1.

5.4.4 pH test

Execute according to GB/T 7573.

5.4.5 Odor test

Execute according to GB 18401.

5.4.6 Decomposable carcinogenic aromatic amine dye test Execute according to GB/T 17592, the limit value is <=20mg/kg.

5.4.7 Color fastness test

5.4.7.1 The color fastness test for water resistance shall be carried out in accordance with the provisions of GB/T 5713.

5.4.7.2 The color fastness test for perspiration is carried out according to the provisions of GB/T 3922, and the bottom position of the socks is cut.

5.4.7.3 The color fastness test for rubbing resistance shall be carried out according to the provisions of GB/T 3920, and the bottom position of the socks shall be cut and only straight.

5.4.7.4 The soap fastness test is carried out according to the method specified in GB/T 3921.

5.4.8 Color fastness rating According to GB/T 250 and GB/T 251.

5.4.9 Fiber content test

5.4.9.1 Execute according to GB/T 2910, FZ/T 01057, FZ/T 01095, FZ/T 30003.

5.4.9.2 Test site. Usually the foot surface is cut. It is difficult to sample the complex structure of the foot surface or the asymmetry of the jacquard pattern.

Products, according to the actual situation after consultation to determine the specific sampling plan, but should be noted.

6 decision rules

6.1 Processing method of test results

6.1.1 Appearance quality in the case of double, if the rate of non-compliance is more than 5.0% or the hole is broken or the needle is more than 3.0%, it is judged to be unqualified.

6.1.2 Intrinsic quality

6.1.2.1 Straight and horizontal extension values are qualified for testing 5 pairs of socks with a pass rate of 80% or more, which can be tested at room temperature. In case of dispute the standard atmospheric test data specified in GB/T 6529 shall prevail.

6.1.2.2 Intrinsic quality Other requirements are in compliance with Table 4 requirements.

6.1.2.3 Intrinsic quality According to the requirements of 6.1.2.1 and 6.1.2.2, all the indicators are qualified, and the quality of the batch is qualified. One of them If the item and the above indicators are unqualified, it is determined that the batch of products is unqualified.

6.2 Re-inspection

6.2.1 At the time of inspection, either party has objection to the results of the inspection and may request re-inspection for the objectionable project within the prescribed time limit.

6.2.2 The number of retests is the quantity at the initial inspection.

6.2.3 The results of the re-inspection shall be handled in accordance with the provisions of 6.1, subject to the re-inspection results.

7 Product instructions, packaging, transportation, storage

7.1 Product Instructions

7.1.1 Instructions for use of the product shall be carried out in accordance with the provisions of GB 5296.4.

7.1.2 The fiber content is usually marked with the content of the foot surface of the product; for the product of the foot surface due to the complicated weave structure or the jacquard pattern, the sampling plan can be determined according to the actual situation and indicated on the fiber content label.

7.1.3 The reinforcing fibers of the toe cap and the heel shall be marked with the reinforcement part and the name of the reinforcing fiber, and the specific content may not be marked.

7.1.4 Specifications The socks are numbered in centimeters (cm).

7.2 Packaging

Execute according to the provisions of GB/T 4856 or the agreement.

7.3 Product packing and transportation Product packaging and transportation should be fireproof, moisture proof and pollution resistant.

7.4 Product Storage

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

7.5 Product Safety Requirements Product safety requirements should be marked with the "Safety Technical Requirements category".