Category Archives: Packaging Design

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A Complete Guide to UV Printing in Paper Package

UV technology offers the package printing manufacturers an alternative to the conventional litho offset printing.

It is divided into two categories, UV offset printing and UV varnishing. UV offset printing has the same mechanism as the conventional litho offset printing, exepting that the special formulated UV inks dries through a completely different process.

As a leading China paper box manufacturer and supplier, Shanghai DE Printed Box is a China medium-sized custom paper box manufacturer and packaging solution provider with facilities around 100,000 square meters in total. The company exclusively specializes in the supply and export of the custom paper boxes, including the paper printed boxcorrugated printed boxcosmetic paper boxrigid paper box, cardboard gift box and custom paper bag. If you have any questions about the custom paper box, or would like us to give you a price quote, please do not hesitate to contact us by giving us an email.

Beginner’s Guide to Litho Offset Printed Box From DE

What is Offset Lithography?

A term describing the most common form of lithography (a printing process in which the image area and the non-image area co-exist on the same plane, rather than from raised or etched type, as in letterpress and gravureprinting, respectively; see Lithography) in which a printed image is transferred first to a rubber blanket, and the blanket then transfers (or “offsets”) the image to the paper or other surface. Other forms of lithography include [“direct lithography (or di-litho) and waterless lithography. The two basic varieties of offset lithography are sheetfed and web offset lithography. The remainder of this article will deal primarily with sheetfed offset printing. See alsoWeb Offset Lithography.

What is Fountain Solution?

A mixture of water and other chemicals distributed by the dampening system on a printing press used in offset lithography. Lithographic printing operates on the principle that oil and water do not mix to any great extent; offset presses first treat metal printing plates with a fountain solution, which works to desensitize the non-image areas, rendering them ink-repellent. The fountain solution is applied to the plate through a series of rollers in a variety of configurations.

What is Dampening System?

In offset lithographic printing, the system that transfers a water-based fountain solution to the printing plate as a means of making non-image areas ink repellent. Offset lithography is based on the principle that oil and water do not mix readily, thus the water-based fountain solution ensures that the oil-based ink does not collect in undesirable regions of the printing plate.

As a leading China paper box manufacturer and supplier, Shanghai DE Printed Box is a China medium-sized custom paper box manufacturer and packaging solution provider with facilities around 100,000 square meters in total. The company exclusively specializes in the supply and export of the custom paper boxes, including the paper printed boxcorrugated printed boxcosmetic paper boxrigid paper box, cardboard gift box and custom paper bag. If you have any questions about the custom paper box, or would like us to give you a price quote, please do not hesitate to contact us by giving us an email.

Paper Bag Dieline Template Creating

1. How to calculate the unfolded size of the paper bag?

Unfolded length: 2 x length + 2 x width + 1.6 ~ 2cm(gluing)

Unfolded width: height + 3.5 ~ 5cm (folding inside on the top) + 0.5 * width + 2cm

custom paper bag china paper supplier

Glossy black printing outside the custom paper bag

As a leading China paper box manufacturer and supplier, Shanghai DE Printed Box is a China medium-sized custom paper box manufacturer and packaging solution provider with facilities around 100,000 square meters in total. The company exclusively specializes in the supply and export of the custom paper boxes, including the paper printed boxcorrugated printed boxcosmetic paper boxrigid paper box, cardboard gift box and custom paper bag. If you have any questions about the custom paper box, or would like us to give you a price quote, please do not hesitate to contact us by giving us an email.