What are the inspection standard requirements for hardware buttons?

What are the inspection standard requirements for hardware buttons? Generally speaking-color fastness to rubbing; uniform shape; the smoothness of the button body is good, and the cavity is flat and smooth; fine workmanship, such a button is a good quality button. Of course, buttons made of different materials (such as resin buttons and shell buttons) have different standards for judging the quality of buttons. For example, for Dongguan hardware buttons, many people will weigh it and understand the "gold content".

1. Control sample or confirmation sample. Check whether the color and model match the sample;

2. There should be no cracks, nicks, unevenness and obvious scratches on the button surface;

3. No car cracks or bubbles on the face and back; no rotten edges and uneven thickness;

4. The pattern should have no obvious deformation, no white eyes, white circles, etc.;

5. The buttonhole should be smooth and unobstructed; the pinhole should be pierced and broken, symmetrical and without big eyes. If it is a dark-eye button, the dark-eye slot should be smooth without obvious bursting.

6. ​​After electroplating or other processing, the effect should be uniform. If some special effects are not consistent, they can be packaged separately.

7, packaging inspection, after the appearance inspection/customer's required performance test are all qualified, then sub-packaging is carried out. The number of packages should be in accordance with the regulations, and the actual number of each bag should be in accordance with the regulations. If it is found that the tolerance is exceeded due to inconsistencies in thickness or other reasons, it must be fully inspected.