Because the chemical properties of gold powder are generally not stable enough, it encounters acid and alkali. Carbonic acid gas and sulfide gas will produce different degrees of chemical changes. There are many reasons for gold ink discoloration.Solution of Discoloration in Gold Silver Ink Printing In order to ensure the quality of gold printing products, effective measures must be taken in gold ink preservation and printing to prevent gold ink discoloration. Generally, the following problems should be paid attention to:Solution of Discoloration in Gold Silver Ink Printing

Packaging Post Printing Process To Improve The Added Value Of Packaging        Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.Packaging Post Printing Process To Improve The Added Value Of Packaging         China is not only a populous country, but also a large consumer country. A variety of packaging products can be seen everywhere in life.Packaging Post Printing Process To Improve The Added Value Of Packaging         Packaging can be seen in many fields, such as food, medicine, household appliances, toys, it products, textiles, ceramics, handicrafts, advertising and so on.Packaging Post Printing Process To Improve The Added Value Of Packaging Packaging Post Printing Process To Improve The Added Value Of Packaging        How to continuously improve the level of packaging post press processing technology and enhance the added value of products is a problem that the packaging industry needs to face and solve in […]

Common Gravure Printing Faults and Treatment Methods         Rotary high-speed gravure printing machine has the characteristics of high production efficiency, rich graphic performance, good sense of hierarchy and strong three-dimensional sense.Common Gravure Printing Faults and Treatment Methods        It is widely used in mass printing, especially in cigarette package printing. As several major elements of gravure printing – paper, printing plate and ink, when any one of the printing environment can not meet the use requirements, different printing faults will occur and the production can not be carried out.Common Gravure Printing Faults and Treatment Methods Overprint fault:           Overprint overall fluctuation: mostly caused by unstable tension. First, it is caused by the failure of the automatic tension control system of the equipment, such as improper tension setting, damage of mechanical transmission parts, damage of PIV gearbox bearings, etc; Common Gravure Printing Fau […]

On Anti-Counterfeiting Ink         Anti counterfeiting is a highly technical industry. Its market is closely related to technology, and the whole market has many subdivided fields. Different commodities and different use environments need different anti-counterfeiting technologies. On Anti-Counterfeiting Ink       No anti-counterfeiting technology is suitable for all anti-counterfeiting fields. This paper will briefly introduce the anti-counterfeiting technology based on ink.On Anti-Counterfeiting Ink          Anti counterfeiting ink, that is, ink with anti-counterfeiting performance, is an extremely important anti-counterfeiting technology field, which has a wide range of applications and involves many disciplines.On Anti-Counterfeiting Ink        Anti counterfeiting ink is a special ink with anti-counterfeiting function generated by adding some special substances to ordinary ink. On Anti-Counterfeiting Ink        I […]