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Common Printing Finishing Processes
- 2026-04-25 16:16:03
- admin
Varnishing (Gloss Varnish / Matte Varnish) The primary difference between gloss varnish and matte varnish lies in their level of brightness. Varnishing involves applying a layer of clear lacquer over the printed surface to provide waterproofing, scratch resistance, and a high-gloss effect. It offers superior abrasion resistance and stain resistance, effectively preventing the surface ink from bein...
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What Is the Difference Between Overprint Varnish and Clear Varnish
- 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...
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Water-Based Varnish Primer for Metallized Paper – Enhance Ink Adhesion on Gold & Silver Board
- 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 ...
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What Are the Benefits of Printing Varnish in Packaging and Label Printing
- 2026-05-09 10:00:48
- admin
Printing varnish plays a multifaceted and crucial role in the post-press processing of printed materials, primarily encompassing the following points: Enhancing Visual Appeal Increased Gloss: It renders the surface of printed materials smooth and lustrous, enhancing color saturation and contrast, making images and text sharper and more striking, and thereby boosting overall visual appeal. Creating...
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Removable Adhesive Labels: Applications and How to Choose the Right Adhesive
- 2026-05-09 10:53:05
- admin
Removable adhesive labels are widely used in modern packaging, product identification and temporary labeling applications. Unlike permanent labels, removable labels can be applied firmly during use and removed cleanly when needed, helping brands improve product presentation, user experience and packaging flexibility. In many industries, removable labels are required not only to provide clear infor...
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What is the Best Adhesive for Printed Labels
- 2026-05-11 16:49:22
- admin
When manufacturing labels, the choice of adhesive backing is just as crucial as the face material and print quality. Whether a label adheres firmly, resists edge curling, or leaves behind residue upon removal often depends heavily on the adhesive applied to its backing. The adhesive commonly used on the back of labels is known as pressure-sensitive adhesive (PSA). This type of adhesive requires ne...
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WM549 Wash-off Label Adhesive Supports PET Packaging Recycling
- 2026-05-13 17:28:52
- admin
As carbon reduction and circular economy continue to gain momentum worldwide, the packaging industry is paying more attention to material recyclability and recycled material value. For PET bottles, food trays, and household product packaging, labels are not only used for brand display, but also play an important role in the recycling process. In traditional recycling systems, label adhesives that ...
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How does washable label adhesive improve the quality of PET packaging recycling
- 2026-05-15 15:18:48
- admin
Washable Labels Powered by Water-based Adhesives: Safeguarding High-Quality "Bottle-to-Bottle" PET Recycling Safeguarding a Green Future In the global effort to address climate challenges and plastic pollution, Sinograce Chemical remains steadfastly focused on the R&D and innovation of surface material products. We are committed to driving the circular economy through sustainable chemical solu...
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Wash-off Label Adhesive: Making PET Bottle Recycling Easier
- 2026-05-19 16:35:05
- admin
PET plastic bottles are widely used in beverage, food, household chemical, personal care, and many other packaging applications. Although PET has high recycling value, label materials and adhesive residues can still affect the washing, sorting, and reprocessing quality of recycled PET flakes during the actual recycling process. Traditional label adhesives are often difficult to remove completely d...
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Why Label Adhesive Choice Matters for Recyclable PET Packaging
- 2026-05-21 13:58:14
- admin
PET bottles are widely used in food, beverage, personal care, and household packaging. Because PET has a relatively simple material structure compared with many multi-layer packages, it is often considered more suitable for recycling. However, the final quality of recycled PET does not depend on the bottle material alone. Labels and adhesives also play an important role in the recycling process. I...