• 2026-04-27 16:43:44
• admin

In the printing industry, overprint varnish and clear varnish are often mentioned together. While they are closely related, they differ in definition, composition, application, and performance. Definition and Scope Overprint Varnish Overprint varnish refers to a transparent coating applied to the surface of printed materials. It is typically composed of synthetic resins, solvents, and ad...

• Overprint Varnish
• clear overprint varnish
• screen printing chemical

• 2026-04-29 20:25:21
• admin

Water-based Clear Primer for Printing: Addressing Insufficient Ink Adhesion on Gold and Silver Cardboard The use of a water-based clear primer on gold and silver cardboard to resolve issues of insufficient ink adhesion is achieved primarily through the following mechanisms: Improving Surface Tension The surface of gold and silver cardboard is typically smooth and possesses low ...

• Water-based varnish primer
• Ink adhesion promoter
• Waterborne printing primer

• 2026-04-30 18:21:33
• admin

Water-based varnishes are classified as eco-friendly products; the primary solvents used in their formulation are water and various alcohols, ensuring that their volatile components do not pollute the environment. The development of water-based varnishes has gained momentum in recent years, driven by the growing public demand for environmental protection. The process of applying varnish essentiall...

• acrylic polymer emulsion
• styrene acrylic resin
• packaging coating solutions