N° 628
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Backside - front side differentiation from slightly fluorescent glue-coated filter paper
The slightly fluorescent front side glue-coated paper should be controlled, whether the backside or the front side is on top.
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N° 626
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Intensity control of fluorescent additives in oil-soaked paper
The intensity of fluorescent additives in oil-soaked paper should be controlled.
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N° 463
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Oil presence control in metal screw nuts and screws
The presence and amount of oil in a screw nut as well as in a screw should be detected directly before border crimping.
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