The experimental principle of the tensile strength of clothing buttons

The tensile strength of buttons is one of the important wearing properties of textiles and garments. It refers to the maximum load that the buttons on textiles and garments can bear when they are stretched by an external force, and the deformation of the joint with the fabric reaches a certain degree or the button is broken from the fabric. Inadequate button fastening will not only directly affect the wearing and use of textiles and clothing, but also cause harm to human safety and health. In particular, the unconscious behavior of infants and young children often leads to personal injury such as accidental ingestion of buttons, inhalation of the trachea or suffocation.　　 In recent years, the safety issues of button products have had a great impact on my country’s export textile and apparel trade. For example, children's denim knitted jackets exported to the U.S., due to the metal buttons being accused of loosening and detaching from the clothes, may cause children to suffocate, and are returned; in addition, baby slings exported to the U.S. are also due to the shoulder straps and the whole body. The button connection may be detached, putting children in danger of falling, and the U.S. proposes to return the goods; while the children’s overalls exported to the U.S. are easily detached due to the decorative buttons on the trousers, which may be inhaled by the child into the trachea, causing suffocation The risk of being returned. The determination of the tensile strength of textile and clothing buttons is mainly based on the following two test principles. Method A---The breaking method stretches the consolidated button on the sample at a constant elongation rate, and the button and the fabric seam are deformed to a certain extent. Or when the button breaks off from the fabric, record the load on the button. Method B---Constant load method stretch the consolidated button on the sample at a constant elongation rate, after reaching the set load, maintain it for 10 s, and record the possible button slippage and the seam between the button and the fabric during the test. Changes in thread breakage, button breakage, fabric breakage, etc. Standard Group is a professional comprehensive supplier of material testing equipment and laboratory solutions. The main products are: button strength tester, button tension tester, button tester, button impact strength tester, button impact strength tester , Zipper reciprocating fatigue testing machine, zipper fatigue testing machine, zipper reciprocating fatigue tester, luggage zipper reciprocating fatigue testing machine, zipper reciprocating pull testing machine, zipper reciprocating pull tester, zipper durability testing machine.

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