Tourist Shoes Should Meet 5 Technical Standards.
According to the experts, tourist shoes are loved by many people because of their leisure and sports characteristics. However, because of the poor quality of small businesses, the overall quality level of tourist shoes industry is restricted.
Experts point out that the standard for testing the implementation of tourist shoes is GB / T 15, 10 - 7 - 4, "travel shoes".
According to this standard, good travel shoes should meet certain requirements in terms of flexural performance, wear resistance, the adhesion strength between the bottom and the outside, the peel strength of the bottom, the strength of the bottom wall and the peel strength of the peeling and so on. The 5 technical specifications are good.
Bending resistance and wear resistance are the main performance indicators of sports shoes, and are also important signs of the quality of shoes.
Bending resistance is a state of imitation of human normal walking, and a flexural test is carried out on a specific test machine.
The flexural performance index includes a crack length of not more than 15 millimeters, resulting in a new crack less than 5 mm, and there is no need for surface fracturing, cracking and bottom wall opening.
The wear resistance is measured by the length of the grinding marks, and the index is not more than 10 millimeters.
After the test, the length of the crack, the length of the new crack and the wear mark should be smaller.
The adhesive strength between the outsole and the middle sole is cut off from the adhesive layer between the bottom and the outer bottom. The bonding strength is not less than 20N / CM, the bottom of the micro hole is torn, and the adhesive layer should not be lower than 15N / CM.
The higher the bond strength, the better the shoe performance.
The peel strength directly reflects the bonding fastness of the backing and the bottom. The peel strength of the bottom should not be less than 45N / CM, the bottom of the microhole is tearing and the adhesive layer should not be less than 35N / CM; the peel strength of the bottom wall and the side surface should be no less than 70N / CM.
The higher the peel strength, the better the shoe is, the better the performance.
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