The production of buttons requires an inspection procedure. Only the qualified buttons can be brought to market. Here are the seven inspection procedures for the buttons.
1. Control sample. See the color, model is consistent with the sample;
2, the surface should not have cracks, gaps, uneven and obvious scratches;
3, no cracks on the back of the face, bubble; no bad edges, uneven thickness;
4, the pattern should be no obvious deformation, no white eyes, white circles and other phenomena;
5, buttonholes should be smooth and smooth; all wear and tear pinholes, to be symmetrical and no big eyes. If it is a dark eye, the dark eye should be smooth, no significant burst.
6, the same batch of buttons color difference should not be lower than the GB250 four standard, compared with the sample, should not be lower than the GB250 three standard.
7, packaging inspection, after the appearance of the inspection all qualified, and then repackaging. 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.
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