1. Too much ink during the halftone printing causes the ink to spread, which eventually sensitizes the non-graphic area.
2. Sandpaper with sandpaper on the rubber blanket is retained and the printing plate is worn.
3. Incorrect working of the water roller and the ink roller in the ink system may cause the printing to appear dirty in the circumferential or axial direction.
4. Pre-exposure (grey) occurs in the pre-printing stage of the printing plate.
5, ink is too soft, or oily too.
6. The chemical composition of the fountain solution is not properly configured to erode the hydrophilic layer of the blank portion.
7. The roller sleeve of the reversible water roller is dirty or worn, damaging the blank surface.
8, the fountain solution caused by the imprint was snow flakes; ink color appears solid gray, color on the ground dark; under magnification will be found in the field uneven, full of tiny white spots.
9, aluminum oxide. Oxidizes dirty and looks like a lot of clear dots or doughnut-shaped spots on the canal. Plates tend to oxidize if they are too slow to dry, or stored in moist places before development or during two printing runs. If the printing press breaks while the plate is not yet dry, the plate will also oxidize.
As the name suggests, printed shrink wrap is just like our traditional heat shrink films, with all the same great qualities and properties, but is supplied digitally pre-printed with your custom design or logo for increased branding purposes. Printed Shrink Film has a significantly greater shelf appeal as it can be printed with full color, high quality graphics and imagery. Printed films have the ability to place branding imagery and eye catching graphics directly on the packaging.
We can supply all specifications of shrink film pre-printed to meet your requirements. Centre-folded or single-wound, polyolefin or polythene, perforated or non-perforated; the addition of ink printing is completely possible for all of these film types.
Printed shrink film maintains its graphics integrity for long periods of time and allows for your product to be vibrantly differentiated from your competitors products in the marketplace. It is a strong and beautiful material.
Printed Shrink Film
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Chaozhou Chao'an Xinmin Food Packaging Co., Ltd. , https://www.somipack.com