Some standard content:
【Classification】Y78
No.: 402—1997
Light Industry Standard of the People's Republic of China
Leather Sandals
Ob/l-2807-97
This standard is formulated to promote the improvement of the quality of leather sandals and provide a basis for product inspection and measurement. This standard is proposed by the Quality Standard Promotion Department of China Light Industry General Association. This standard is under the jurisdiction of Jinguo Shoemaking Standard Promotion Center. This standard was drafted by Shandong Shoemaking Research Institute of China Light Industry General Association, Shandong Product Quality Inspection Institute, and North Point Baihua Group. The main drafters of this standard are Ding Yanying; Liu Changjin, Qi Zhijiang, Qi Xiao, Li Fen, and Men Hongwei. This standard was issued on September 29, 1997.
People's Republic of China Light Industry Standard
Leather Sandals
QB/T 2307-97
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation, and storage of leather sandals.
This standard applies to leather sandals made of natural leather and artificial imitation leather materials for daily wear and made of various processes.
2 Applicable Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When the technical standards are published, the versions shown are valid. All standards will be revised, and all parties using this standard should explore the possibility of using the latest version of the following standards.
GB3293--82 Chinese shoe size and shoe size series GH/T3903,1—94 General inspection method for footwear Test method for folding performance GB/T 3903.2—941
General inspection method for footwear Test method for wear resistance GB/T3933,3—94 General inspection method for footwear Test method for peeling strength GB/T3903,4--94 General inspection method for footwear Test method for hardness GB/T 3903,5-95
General inspection method for footwear
QD/T1472—92 Crown index of fiberboard for footwear QB/T1812—93 Inspection method for finished leather shoes Q131917—93 Leather shoe pins
8 Product classification
According to the use, it is divided into men's, women's and children's leather sandals. Appearance inspection method
According to the material, it is divided into natural leather shoes and artificial leather shoes. According to the style, it is divided into strap type, full upper type: hollow type, front and back hollow type, etc. 4 Technical requirements
4.1 The shoe size must meet the requirements of GB323.
The shoe size must meet the requirements of GH3293.
43 The appearance quality must meet the requirements of Table 1. Among them, items 1 to 7 are the main items, and items 8 to 1 are the key items. The total thickness of the upper strap is not less than 1.0mm.
The thickness of the front force-carrying part of the outsole after deducting the pattern meets the requirements of Table 2. 4.5
Approved by China Light Industry Federation on 1997-C6--2014
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Implementation on 1988-04-01
QB/T 2307--97
Physical and mechanical properties are shown in Table 3. Sequence numbers 1, 3 and 5 and shank bending stiffness are the main items, and sequence numbers 2 and 4 are secondary items. The color, thickness, pattern and thickness of the same part of the shoe should be consistent, and no shadow is allowed. The upper (surface)
Inner heel
Inside and outside of the shoe
Folded edge
Stitching
Natural grass outsole
Molded sole
Single sole
Microporous sole
Correct the defects, the eyelets should be made, and the eyelets should be straight and flat. The base water of the same part of the shoe should be consistent. The upper should not shrink or deform. The eyelets should not deform. The difference in the same part of the shoe should not exceed 2mm
Hard and hard, and should not shrink or deform
The thickness, pattern and thickness of the same part of the shoe should also be consistent. Minor defects are allowed, but no cracks or cracks on the surface are allowed. The shadows must be transparent without any leaks or deceptions. The parts must be straight and the quality must be good. The same parts of the same pair of shoes are basically "consistent". The upper straps shall not shrink or deform. The stitching shall not be deformed. The difference between the same parts of the two shoes shall not exceed 2.5mm. The assembly is firm and level. The height and color are consistent without degumming or quick glue. The hook is straight. It is not soft [not deformed), continuous, and does not move. The connection area exceeds 8㎡ and must be neat and smooth, and the inside of the shoe will not fade. The basic symmetry of the assembly is basic. The velvet is neat, the needle code is even, the surface line is tight, and there is no skipping or repeated stitching. The single stitch is not allowed to cover the line. The same pair of shoes is connected in the same position, the color is good, and the thickness is basically the same. The road is complete. Fold, measure the size evenly, and the tightness of the bottom and top stitches should be basically the same. There should be no thread problems in the main parts, and skipped stitches and double stitches are allowed in the secondary parts, and no more than two stitches are allowed in each shoe. No thread breakage is allowed
The color, pattern, and pattern of the same part of the outer sole of the same pair of shoes are basically consistent. Slight defects are allowed on the outer leather
Women's and children's shoes
47 For sandals with a package, the peeling strength can be measured without the upper strap pull-out strength, and other sandals are measured with the upper strap pull-out strength. Bonded or sewn leather sandals are exempt from testing the fusion strength and shoelace pull-out strength. 4.8 When the following conditions occur in women's shoes, the peeling strength shall not be less than 40N/cmg)
The upper leather is sheepskin leather or synthetic material:
QB/r 230797
Figure (: winding material, excitation length) (length m)bZxz.net
Shoe height A
Height 30 ~ 50 m αl
Lightweight holding strength (N/cm2)
Outsole width less than 3mm
Outsole width 20mm from the front end of the outsole less than 40mm4.9 Red dimensional inner monkey meets the requirements of QBT.142.
Batch products
Medium products
0, heel opening distance greater than 8m, and heel height greater than 20mmLF The shank of sandals must meet the basic requirements of QB/T1917 for shank resistance.4.10
Test method
5.1 Appearance shall be inspected according to B/T3903.5 and Q/T1812. 5.2 Mechanical properties
5 2.1 Outsole resistance shall be inspected according to GB 5.2.2 External light resistance test shall be carried out according to B3903.2 (wear time 20min). 5.2.3 Change test shall be carried out according to B3903.3, with a width of 10m. 5.2.4 Convenience test shall be carried out according to G3 3903.4. 6.2.5 Pull out and connect the upper strap
5.2.5.1 Sample: one upper strap each for the front upper and the back upper, together with the inner and outer soles, cut out 10mm wide test strips, cut the middle of the upper strap (because of the steel hook, the inner and outer soles cannot be cut, only cut out 15mm wide test strips, cut the middle of the shoe strap, and get two test strips), each strip (the 10mm width strip is original, but the inner and outer soles are cut to 10mm wide)
5.2.5.2 Test equipment: tensile testing machine, 3, range 250N, 12
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QB;T 230T-97
5.2.5.8 Test speed, 25l:5mm/mim. 5.2.5. Ambient temperature: 23±2°C. 5.2.5.5 The upper and lower clamps of the testing machine clamp the sole of the shoe (the upper and sole bonding layer must not be blocked) and the upper strap. 5.2.5.6 The maximum force when the upper strap is pulled apart from the sole is the pull-out force. 5.2.6.7 Calculation of the pull-out strength of the shoe: a--pull-out strength of the upper strap. In/c: F--maximum pull-out force, N, B--test upper strap width cI. 5.2.6 Decolorization test method: Use the household absorbent cotton and gauze soaked with clean water (no water dripping under finger pressure) to rub back and forth 10 times with your hands within a length of 10c inside the inner side of the shoe. Observe the decolorization of the cotton and gauze. No obvious stains shall be found. 5.2.7 The bending stiffness of the shank is tested according to QB/T1813. 5.2.8 The thickness of the components is measured with a vernier caliper, leather thickness gauge, etc. (accuracy 0.05mm). 6 Inspection rules
6.1 Factory inspection
6.1.1 According to the items listed in Article 4.3, the shoes are inspected one by one. B.1.2 All the main items and three secondary items meet the requirements of superior products and are judged as superior products. 61. All the main items and three important items meet the requirements of qualified products and are judged as qualified products. , 1. If one main item or three or more secondary items do not meet the requirements of qualified products, the shoes are judged to be unqualified. 6.2 Type inspection is carried out according to the requirements of 4.3~4.13. 6.2.1. Batch and sample size: 10 pairs of random samples within 1000 pairs, 20 pairs of random samples above 1000 pairs, and 3 pairs of random samples for physical performance index testing. 6.2.2 See Table 4 for the appearance grade of batch products. If the number of pairs that meet the requirements of Table 4 is not qualified, the batch is deemed unqualified. Packaging 4
Inspection results (number of pairs that meet the index)
Sample size (pairs)
Washed products
Combined products
6.2.3 Other technical requirements According to 4.3~4.10, the lowest grade of the test results shall be used to determine the grade of the item. 2.4 Comprehensive judgment of the batch code grade shall be determined by the lowest grade among the fourth rate of each pre-determined item. 6.2.5 If there are unqualified physical and mechanical performance items in the first inspection, The unqualified items can be re-tested on the same day, and the re-test results will be used to determine the results.
7 Marking, packaging, transportation, storage
7.1 Marking
Each pair of shoes should be marked with the following:
Manufacturer name or trademark:
Shoe size:
Quality grade;
Inspection stamp,
The inner packaging should be marked with the following:
QB/T 2807—$7
Manufacturer name: factory address, trademark and postal address: product name (must indicate upper material: natural leather, artificial imitation leather material, etc.), item number, shoe size, grade: shoe color:
This standard number.
The outer packaging must be marked with the following content:
Manufacturer name and trademark:
Product name, item number, shoe size, grade: shoe color, quantity;
Storage and transportation requirements mark, etc.
7.1.4 The manufacturer name and address must be indicated in Chinese characters. Imported shoes must have the name and address of the domestic distributor, and the address must include the province, city, county, township, town, road, village, and number. 7.1.5 (Missing) (Distributor) name Or factory (dealer) address or trademark, "three no" products shall not leave the factory or be sold. 7.2 Packaging
There must be inner and outer packaging. If necessary, protective soft packaging, anti-corrosion agent, anti-silicone agent, mildew agent, etc. can be added. 7.3 Transportation and storage
7.3.1 During transportation and storage, it must not be exposed to low pressure, moisture, rain, exposure to the sun or contact with oil, acid, sulfur and other corrosive substances.
T..2 The warehouse must be kept ventilated and explosion-proof. The product should be at least 0.2m above the ground and raised to prevent moisture from spreading. L.4 Customs marking, installation, transportation, storage and other requirements shall be agreed upon by the buyer and seller. Export products shall be shipped according to the contract, 14
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