Button quality we generally judge in this way, rub fastness; uniform shape; button body release smooth, smooth cavity; fine workmanship...... Such a button is a good quality button. Of course, buttons made of different materials (such as resin buttons and shell buttons, etc.) have different standards for distinguishing the quality of buttons. For example, for hardware buttons, many people will weigh it and learn about the “gold contentâ€. Then we will share with you the button inspection methods and requirements and standards.
Tools / raw materials
Eyesight, smoothness with buttons
Steps/methods
Control the sample or confirm the sample. See the color, model is consistent with the sample;
Button surface should not have cracks, gaps, uneven and obvious scratches;
No cracks or blisters on the back of the face; no blemish, uneven thickness;
The pattern should be no obvious deformation, no white eyes, white circles and other phenomena;
The buttonholes should be smooth and smooth; the needles must be worn and broken, and they should be symmetrical and have no big eyes. If it is a dark eye, the dark eye should be smooth, no significant burst.
After electroplating or other processing, the effect should be uniform. If some special effects cannot be consistent, they can be packaged separately.
The color difference of the same batch of buttons shall not be lower than the GB250 Level IV standard, and shall not be lower than the GB250 Level III standard compared to the sample.
The packaging inspection shall be carried out after the appearance inspection/performance test required by the customer is all qualified. A certificate or other label should be placed on the package. The number of packages should be consistent with the regulations, and the actual quantity of each bag should be consistent with the specified quantity. If it is found that the thickness is not one or the other reason exceeds the tolerance, it will be tested in full.
Precautions When evaluating the quality of buttons, it is necessary to pay attention to the uniform shape, smoothness, and fine workmanship.
For more information on purchasing information updates, please follow: China Button Trading Network
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