What are the content indicators included in shoe quality testing

To evaluate the quality of shoes, it is necessary to focus on both appearance and internal indicators. Due to the fact that internal indicators often require the use of testing instruments, it is more practical for a consumer to identify the quality of shoes from their appearance. From the appearance, the quality of shoes is mainly judged by the quality and workmanship of the materials (including upper, sole, and lining). The size can be measured, and the process mainly involves visual inspection, hand touch, pinching, and pushing. Quality inspection agencies in various regions can conduct inspections, and you can call to inquire about the specific costs. If you want to return the product, Taobao must provide evidence. If it is obvious, you can take a photo and send it. If there is an internal quality issue that cannot be seen, you must go for testing to prove that there is a problem.

Shoe testing standards

1、 Damage: 1. Whether the toe, outer side of the middle upper, and front eye protection display surface of the finished shoes are damaged; 2. The inner side of the middle upper, which is not a display surface, cannot have any damage with an area exceeding 2 square millimeters; 3. The back collar and tongue of the shoe should not be damaged; 4. The sewing machine should not have any broken parts, and the tongue label should not be damaged; 5. The bottom is damaged and lacks materials, with a length exceeding 1mm and a width of 1.5mm, which is not qualified; 6. The shoelaces are damaged and unqualified.

2、 Secure: 1. The tongue of the shoe must be firmly fixed and not fall off; 2. The strap must be securely fixed and must not come loose; 3. Droplets, trademarks, and letters must not have any detachment; 4. Be enthusiastic and firm without any detachment; 5. The transfer printing or fabric label size must not fall off. 6. The component wiring must be firm and not fall off; 7. The metal buckle is broken, deformed, loose, has no bottom buckle, and has paint peeling, which is not qualified; 8. The drip molded buckle is not secure, prone to breakage, and unqualified; 9. The connection of the bottom label is not secure and not qualified; 10. The sole combination is not firm and the delamination is not qualified.

3、 Glue opening: 1. Finished shoes should not have a glue opening area that exceeds 2mm in length or 1.5mm in depth; 2. The bottom and upper are firmly bonded without cracks or gaps; 3. Tensile testing at a rate of 2.5 kilograms per square centimeter or more.

4、 Size: 1. The left and right foot size labels are the same; 2. The actual size (length) of the shoes is the same, and the size of the lining and midsole are the same.

5、 Car line: 1. Any component, needle car broken, unqualified, no bottom line unqualified; 2. Needle dropping from the needle carriage is not qualified; 3. Double needle and thread connections, heavy needles, string connections, and severely uneven and unsmooth line spacing are not qualified; 4. The bottom line of the main components under stress is generally too loose and the surface line is floating out, which is not qualified; 5. The margin and needle spacing are severely uneven, and the circuit is not smooth, which seriously affects the appearance and is unqualified; 6. The color of the left and right legs of the sewing thread is incorrect, and the single needle or double needle thread is not qualified.

6、 Color difference: 1. There should be no color difference between the symmetrical parts of a single upper and the symmetrical parts of the left and right feet of the entire pair of shoes; 2. There should be no color difference between the left and right feet of the base, and there should be no color difference on the bottom wall. The bottom pattern is acceptable, with slight color differences; 3. Accessories such as trademarks, webbing, drip molding, rust, high frequency, and printing are not allowed to have serious color differences.

7、 Length: 1. If the length of the front upper exceeds 2mm, it is not qualified. 2. If the exposed length error of the tongue exceeds 3mm, it is not qualified; 3. If the bottom length exceeds 3mm, it is not qualified; 4. If the length of both ends of the shoelace exceeds 2cm, it is not qualified.

Shoe Inspection Report

The testing items involved in the shoe inspection report include material identification (exclusive leather shoes), sole peeling strength, outsole and outsole bonding strength, shoe folding resistance, outsole wear resistance, heel adhesion, upper pull-out strength, formed sole and heel hardness, shoe steel hook core, formaldehyde, and degradable carcinogenic aromatic amine dyes.

If you have any questions about the shoe inspection report, you can call Hengxiang Testing Agency at 400-862-0686 for consultation