Special luster pigment in the packaging and printing application

For many users, printing, special gloss paint is a relatively unfamiliar generous concept, but if you talk about pearlescent pigments and pearlescent effect, printing industry could much more familiar, such as Merck series. Traditional "pearlescent pigments" is, semantically very limited, easy to mistakenly believe that the effect of such pigments are like pearls: white, translucent, shiny pastel. In actual fact, even if the series also has a variety of changes, such as the S-Class (10 ~ 100μm) of the pigment particles is relatively thick, soft texture and luster of pearls is completely different. Such as 300 and 500 of the cases of iron oxide pigments, the performance of the pearl has no metallic luster.Metallic stearate
Therefore, this type of layered structure to refraction / interference principle to the performance of products with a gloss "special luster pigments" to describe more accurately or more representative.PVC processing aid
Currently in the field of domestic packaging, special luster pigment used more and more common, not only in the unique gloss effect, but also because easy to use, flexible and more economic environment. For most high-end consumer goods packaging, such as cigarettes, alcohol, sweets and cosmetics, using this decorative way more reasonable. The following is the author of the special luster pigment in the packaging and printing test new processes, for reference.
Sheet-fed gravure printing process; customarily multiple users use the method of intaglio printing, and the reason is that the pigment particle size is relatively large, and require large ink transfer method to be able to put a certain amount of pigment transferred to the packaging material, the printing to achieve the desired gloss. However, co-production of the paper, the traditional gravure high cost of its two main reasons: First, the high cost of the plate cylinder production; Second, large rolls for the paper waste. On the other hand packaging customers and increasing cost pressures, and the packaging styles change rapidly, the short version of the job more and more. Such printing companies will have to use alternative methods, such as sheetfed gravure is an effective solution.