Corrugated Printing Explained: What It Is, How It Works, and How to Make Custom Box Printing Easy

Packaging has evolved; what was once simply a way to get your goods safely to the consumer is now one of the most tangible representations of your company's identity, a key element of the consumer experience, and a critical protective barrier for your product in the supply chain.

At the heart of this is corrugated printing (or direct corrugated printing), and it is the source of the shipping containers, retail packaging, e-commerce fulfillment packaging, and branded product display packaging that customers come into contact with daily.

Corrugated printing is the application of graphics, text, and branding onto corrugated cardboard packaging. Corrugated board is made by sandwiching a fluted medium between two layers of linerboard. The unique combination of lightweight and structural integrity provides an excellent protective package for the contents during shipment and storage. The process provides a way to convert functional packaging into a branded customer-facing product. Corrugated printing can provide anything from simple one-color logistical marks to full-color photographs ready for sale on store shelves.

Corrugated printing is used in a variety of industries with varying packaging needs:

• E-commerce companies require quick, customizable packaging that represents their brand at delivery.
• Retailers require packaging that will promote their products at the point of purchase.
• Producers of food and beverages rely on compliant, print-safe packaging that protects their products.
• Electronic companies require rugged packaging that clearly identifies their products.
• Cosmetic companies use corrugated printing to create luxury unboxing experiences.
• Companies that offer subscription services require customized packaging to develop customer loyalty.
• Shipping and logistics companies require standardized packaging to ensure efficient processing.

The corrugated printing process is broken down into several steps to transition from a design concept to completed packaging:

• The first step is to prepare the artwork digitally and to format it according to the appropriate color model and resolution required by the selected print process.
• After formatting, the print file is inspected and optimized based on the corrugation characteristics, including the liner type and flute profile.
• Ink is applied to the corrugated board either before or after the fluting process, depending upon the print process.
• The printed sheet(s) are then processed into complete packaging via cutting, creasing, folding, and glue application.

Digital corrugated printing enables direct printing from a digital file into corrugated cardboard, eliminating the need for traditional printing plates or extensive mechanical setup. Therefore, it is significantly different from traditional flexographic processes. There are several key differences between digital corrugated printing and flexographic corrugated printing:

• Faster turnaround times due to lack of plate production.
• Easier to customize by reducing design change costs between jobs.
• Ability to produce short runs economically.
• Capability to perform variable data printing (i.e., ability to personalize and regionally modify packaging).
• Lowered start-up costs, which decrease barriers to entry for new designs and seasonally modified packaging.
• Flexible production scheduling that can respond quickly to changing demand.

There are differences in how flexographic and digital corrugated printing operate relative to other factors such as volume, design complexity, and turnaround requirements.

Flexographic printing utilizes flexible relief plates to apply ink directly onto corrugated board at high speeds. In order to establish a good base cost structure prior to commencing printing, flexographic printing requires an initial capital investment in the production of plates and the setup of presses. Flexographic printing is best suited for very high volumes of identical items since the fixed costs of plate production and press setup are distributed over a larger quantity of units. Flexographic printing excels at reproducing bold graphics and solid colors but does poorly at replicating fine details, smooth gradients, and frequently changing designs.

Digital corrugated printing eliminates the need for plates. Instead, digital files are printed directly from a computer file, eliminating the need for plates. Setup is therefore simplified, and design changes between jobs can be easily implemented. Regardless of production run size, digital printing maintains similar costs per unit compared to flexographic printing, providing economic viability for short- to medium-length runs, multi-vendor packages, rapid prototyping, and seasonal or promotional packages.

While offset printing still produces better overall print quality than digital printing, digital printing presses are closing this gap and performing equally or superiorly in terms of color accuracy and detail reproduction. From a time-to-market standpoint and regarding programs that require frequent updates, digital printing provides significant advantages over flexographic printing without the additional expense and delays associated with modifying existing equipment or implementing new processes.

At its core, this concept brings high speed digital inkjet technology straight to the corrugated market. We focus on a single pass digital method. You print directly onto the board. There are no plates to swap. There is no complex mechanical setup. You just load the digital file and print.

This approach gives print service providers the power to handle smaller and highly customized print runs profitably. If a brand wants a seasonal design variation or a fast turnaround, you can easily say yes. You no longer need to worry about the steep setup costs of traditional analog methods.

We also refused to compromise on visual impact. The concept relies on specially formulated water-based inks. These inks deliver vibrant and crisp graphics directly onto the board. They match the quality you would expect from traditional offset methods. They are even formulated to be safe for indirect food contact.

As packaging becomes more complex with rising brand expectation levels, corrugated printing will continue to evolve. Much of this evolution will be driven by advancements in digital technology, which will enable the production of high-quality customized packaging more quickly than traditional methods. Ultimately, this concept is about giving packaging businesses true digital flexibility. It strips away the old barriers of industrial printing. It allows you to respond to market trends instantly while delivering incredible quality every time.