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  • The Flexo Printing Machine Develops Fast in the Label Market of Digital Packaging 2022-02-16 Ⅰ. The application of flexo printing machine in the field of digital packagingThe prosperity of this market has promoted the development of the packaging industry and even the entire printing industr...
  • LABELEXPO EUROPE 2022 Exhibitions 2021-11-05 Bring the latest innovation label converting equipment!Ruian Loyal Machinery Co. will attend the LABELEXPO EUROPE 2022 in Brussels on 26-29th April. Booth number: 5D50 (Hall 5, Stand D50 ),Warmly welcome...
  • Customer story 2022-06-01 Today ,customer Mr Li from Dongguan city took PC film material to our regular customer in Huizhou city,which is big and famous company in China for the optical film RD and production, to make trial on our...
  • Company Holiday Notice 2020 2020-01-15 Dear honorable clients :Chinese Spring Festival is coming, Ruian Loyal Machinery Co.,Ltd all staffs here appreciate deeply for your long-time support and love. In the new year, we will work harder to ...

How to Solve Poor Ink Layer Adhesion of the Flexo Printing Production? How to Solve Poor Ink Layer Adhesion of the Flexo Printing Production?

Poor ink adhesion is a common problem for flexo printing. Here are some suggestions to solve the issue.

1) If the substrate does not match the ink, it needs to be replaced. For plastic film materials, you can improve its surface tension by corona treatment, or increase the coating to improve its adhesion, in short, to ensure that its surface tension reaches 38 daine or more.

2) In some cases, ink formulation causes poor ink adhesion. If different batches of ink both cause this problem, then you can pre-print a layer of priming coating before flexo printing the ink.

3) If the ink comes off easily on the surface of the stamping foil, varnishing the material is a good way to protect it.

(4) Excessive curing of the previous ink color can also make poor adhesion between ink layers. It’s appropriate to reduce the previous color group UV lamp curing power.

(5) Incomplete ink curing is one of factors. Just find the cause and take appropriate measures.

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