1. What Is Variable Information Printing?

Variable Information Printing (VIP), also known as Variable Data Printing (VDP), is a digital printing method that allows unique data — such as names, serial numbers, barcodes, QR codes, addresses, and expiry dates — to be printed on each individual label or document within a single production run, without stopping the press.

Unlike conventional static printing where every output is identical, VIP connects a digital printing engine to a dynamic data source (a database, ERP system, or real-time feed), merging structured information with a fixed template at print time. This makes it possible to produce millions of uniquely personalized labels at near-offset speeds.

VIP is the backbone of modern supply chain traceability, pharmaceutical serialization, personalized direct mail, airline boarding passes, and smart packaging. Its growing importance is driven by regulatory serialization requirements (e.g., EU Falsified Medicines Directive, GS1 standards) and the global push toward item-level traceability.

2. Core Printing Technologies Used in VIP

Thermal Direct Printing

Thermal direct printing uses a chemically treated substrate (thermal paper or thermal PP) that reacts to heat applied by the printhead. No ribbon or ink is required. It is the dominant technology for short-to-medium lifespan labels — POS receipts, shipping labels, and basic logistics tags. Print speeds can exceed 300 mm/s on commercial thermal printers, making it ideal for high-volume barcode and serial number printing.

The limitation is longevity: extended UV, heat, or chemical exposure can fade the print. This is why WBL's thermal VIP materials incorporate surface coatings that resist oils, moisture, and mild solvents without compromising thermal sensitivity.

Thermal Transfer Printing

Thermal transfer (TT) printing melts ink from a coated ribbon onto the substrate using a thermal printhead. The result is a permanent, durable mark that withstands outdoor UV, chemicals, and abrasion far better than direct thermal. TT is the standard for asset tags, medical device labels, outdoor logistics, and any application requiring a multi-year lifespan. Ribbon types — wax, wax-resin, and full-resin — are matched to the substrate for optimum adhesion and durability.

Inkjet Variable Printing

Continuous Inkjet (CIJ) and Drop-on-Demand (DOD) systems spray microscopic droplets of ink onto fast-moving substrates. CIJ is widely used for coding dates, batch numbers, and short alphanumeric strings directly onto packaging lines at speeds up to 1,000 items per minute. High-resolution inkjet (1,200+ dpi) supports photographic imagery, making it popular for personalized direct mail and pharmaceutical outer packaging.

Laser Marking

Laser systems ablate or chemically alter the substrate surface rather than depositing ink. The result is a permanent, tamper-evident mark with zero consumable cost per mark. Used in high-security serialization (pharmaceuticals, electronics, government IDs) and on substrates unsuitable for ink-based processes.

3. Surface Materials & Substrate Selection

The substrate is as critical as the printer. A mismatch between material and printing technology leads to poor adhesion, smearing, or premature fading. The WBL Variable Information Printing product range covers three primary substrate categories:

All WBL VIP substrates are supplied in a white surface color as standard, providing the maximum contrast for scannable barcodes and QR codes. Custom roll widths, sheet formats, and adhesive types (permanent, removable, freezer-grade) are available to suit specific printer models and end-use environments.

Explore the full material portfolio on the WBL Products page, including Lightweight Film Series, Durable Film Series, and Paper Series Products.

4. Industry Applications

These application categories map directly to WBL's documented typical application list: business standard, logistics, aviation, medical, and stationery cultural labels — all served by the same core product range with configurable substrate, adhesive, and liner combinations.

5. VIP Technology Comparison

Choosing the right print engine is a multi-variable decision. The table below provides a structured comparison of the four leading VIP technologies across the dimensions most relevant to label converters and end users.

6. How to Choose the Right VIP Solution

Step 1 — Define the Environment

Will the label be exposed to moisture, chemicals, UV, or extreme temperatures? Indoor labels (office, retail) can use standard thermal paper. Outdoor, freezer, or industrial applications require thermal transfer paper or PP-based substrates with appropriate adhesives and laminate coatings.

Step 2 — Determine Required Lifespan

Short-cycle labels (same-day shipping, receipts, event badges) are well-served by thermal direct. Multi-year asset tags or pharmaceutical serialization labels require thermal transfer on durable substrates.

Step 3 — Assess Data Complexity

Simple alphanumeric strings and 1D barcodes are easily handled by any VIP technology. Applications requiring 2D DataMatrix codes, GS1-128 compliance, or full-color personalized graphics need higher-resolution engines and compatible substrates.

Step 4 — Match Substrate to Printer

Printer manufacturers specify approved substrates for their machines. Using a non-certified substrate can void warranties and cause printhead damage. WBL's VIP materials are confirmed compatible with leading inkjet, laser, and thermal transfer printer models.

Step 5 — Consider Eco-Friendly Options

WBL offers FSC-certified and recycled paper substrates for organizations with sustainability commitments. These maintain full thermal sensitivity and print quality while reducing environmental impact — an increasingly important factor in procurement decisions across retail and logistics sectors.

7. WBL Label Variable Information Printing Products

Zhejiang Wanbaolong Adhesive Products Co., Ltd (WBL Label) — established in 2005 and formerly known as Shanghai Canglong — is a specialist manufacturer of self-adhesive label materials headquartered in Zhejiang, China. With a dedicated factory base and an active global distribution network, WBL supplies VIP label substrates to customers across logistics, healthcare, aviation, retail, and industrial sectors worldwide.

The WBL Variable Information Printing product line is built on three core substrates — Thermal PP, Thermal Paper, and Thermal Transfer Paper — all supplied in a white surface finish optimized for high-contrast barcode and QR code printing. Key product features include:

Beyond VIP materials, WBL's complete self-adhesive product range includes Lightweight Film Series, Durable Film Series, Paper Series, Special Paper Series, and PE Coated & Silicone Paper Series — providing a single-source solution for converters and brand owners.

Stay updated with the latest developments in label materials technology through WBL's Industry News and Company News sections.