Experimental Principle of Tensile Strength of Clothing Buttons
Button tensile strength is one of the important wearing properties of textiles and garments. It refers to the maximum load that the button on the textile and clothing can bear when it is stretched by external force, the deformation of the seam with the fabric reaches a certain degree or the button is broken off from the fabric. Insufficient fastening of buttons will not only directly affect the wearing and use of textiles and clothing, but also cause harm to human safety and health, especially the unconscious behavior of infants and young children often lead to accidental ingestion of buttons, inhalation of the trachea or suffocation and other personal injuries. In recent years, the safety of button products has had a great impact on my country's export of textile and clothing trade. For example, children's denim knitted jackets exported to the United States were returned because they were accused of loosening the metal buttons and detaching from the clothes, posing a risk of suffocation for children; in addition, baby carriers exported to the United States were also The button connection may be disengaged, making the child at risk of falling, and the United States proposes to return it; and the children's overalls exported to the United States, because the decorative buttons on the pants are easily detached, they may be sucked into the trachea by children and cause suffocation. 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---fracture method to stretch the button consolidated on the sample at a constant elongation rate, the button and the fabric seam are deformed to a certain extent, Or record the load on the button when it breaks from the fabric. Method B---Constant load method to stretch the button consolidated on the sample at a constant elongation rate. After reaching the set load, keep it for 10 s, and record the possible button slippage during the test and the seam between the button and the fabric. Changes in thread breakage, button breakage, fabric breakage, etc. Is a professional comprehensive supplier of material testing instruments and laboratory overall solutions, the main products are: button strength machine, button pull tester, button tester, button impact strength tester, button impact strength tester, zipper Reciprocating fatigue testing machine, zipper fatigue testing machine, zipper reciprocating fatigue testing machine, luggage zipper reciprocating fatigue testing machine, zipper reciprocating pulling testing machine, zipper reciprocating pulling testing machine, zipper durability testing machine.
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