Flexography is a printing process in which the printing plate places ink directly on the paper. Printing is done from plates on which the image to be printed is raised above the non-printing surface. Ink is applied to the raised surface while the surrounding areas are lower and do not receive ink. The inked image is then pressed directly onto the paper.

High-Speed Flexography equipment uses flexographic inks that are water based for fast drying and environmentally friendly. When we print in-line on our envelope folding machines, there is very little time for the ink to dry before the envelope is folded. The use of these inks also provides excellent coverage of solid image areas and will not appear as glossy as traditional flexo inks.

At National, we use printing plates made from photo polymer material. We use the Pantone Matching System (PMS) for all of our printing.

MAXIFLEX: The Next Generation
in Envelope Flexographic Technology

Modern flexo printing processes have dramatically improved the quality of the finished product, which makes the innovative Maxiflex press a very attractive alternative to traditional means.

The Maxiflex is a variation of the traditional multicolor CI (Central Impression) flexographic press, designed for printing from roll to roll. Maxiflex can print roll stock for multiple narrow rolls, or rolls up to 25 inches for the larger envelope folding machines. The stock is slit and rewound to a printed roll, which can be converted on a variety of web-fed envelope machines.

Maxiflex is capable of running up to five colors at speeds of up to 1400 feet per minute. This efficiency means higher speeds on a greater number of converting machines, with less retooling downtime and more flexibility in production schedules.

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