[China Button Industry Network] The small button university asks that this famous saying is justified. There are many categories of buttons, but the criteria for evaluating the quality of the buttons are basically the same, but the materials are different and the styles are different. different. First, the appearance of the standard, a button as a fastening effect, the most important is the decorative effect, the overall appearance is good, the button surface should not have cracks, gaps, uneven and obvious scratches, metal button quality standards include gloss Degree, color, electroplating, and workmanship evaluation standards, resin buttonholes should be smooth and smooth; all wear and tear of the eye, symmetrical and no big eyes, cloth button, cloth buckle appearance criteria: cloth and button bottom Whether the package is tight or not, there is no exposed cloth outside, and the positive effect is smooth, that is, the quality standard of the appearance of a cloth button and cloth buckle. Second, the degree of firmness, whether a button is durable, whether it is not easy to fall off, whether the pull strength reaches a certain standard, there are pull-strength requirements such as the metal button of the five-jaw button, snap button, button button class. The manual buttons, such as Chinese knots, knot buttons and the like, require the overall stitch tightness of the buttons. Third, the laboratory requirements: whether the buttons are environmentally friendly and non-toxic, to Europe and the United States out of the standard, whether it can go through the Japanese needle detector, tensile strength measurement, Hang abrasion test and other laboratory tests. Tests usually have SGS-style ROHS standards, as well as oeko-tex standards. Want to learn more about buttons: accessible Lounge Socks,Super Soft Lounge Socks,Warm Lounge Socks,Women Chunky Lounge Socks Jingjiang Pingdong Import&Export Co.,Ltd , https://www.jingjiangsocks.com