How to identify intaglio printing products

2022-08-14
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How to identify intaglio printing products

there are two printing methods: 1 Engraving intaglio - its image is deep and powerful, the ink concentration is very high, and there is a slight bulge in the type and performance of the image, and there is a slight concave phenomenon behind it. 2. Photographic intaglio or rotary intaglio - its ink layer is thin, and some of it is like a lead screw serration around the image, and sometimes has a tail. At present, the sensors for tension machines in the market generally use S-type sensors for small force values. It is difficult to see points in the lines, and they are mostly fuzzy

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