Coding & marking know-how Practical, no-nonsense guides on getting date and lot codes right — how to match inks to your substrate, code cold-chain and plastic packaging, and choose the right marking technology for your line.
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How to Choose Ink for Coding HDPE & Plastic Containers HDPE, PP and PET are non-porous with low surface energy, so water-based ink beads up and rubs off. Here is how to match ink chemistry to plastic for codes that stick.
Read guide Jul 7, 2026 Coding & Marking for Cold-Chain & Freezer Packaging Condensation and cold surfaces make codes smear or fail to adhere. Here is how to keep date and lot codes legible on refrigerated and frozen packaging.
Read guide Jul 7, 2026 Thermal Inkjet vs. Continuous Inkjet (CIJ): Which Fits Your Line? TIJ and CIJ both print date and lot codes, but they suit different lines. Here is a head-to-head on resolution, maintenance, speed, substrate, and cost.
Read guide Jul 7, 2026 TIJ Print-Quality Troubleshooting: Missing Lines, Light Print & Smears Dropped nozzles, faint codes, and smears have a handful of common causes. Here is how to diagnose and fix the print-quality problems you hit most on a TIJ line.
Read guide Jul 7, 2026 What Is IUT 1-Inch Printing — and When Do You Need It? IUT 1" cartridges print a seamless one-inch-tall code in a single pass. Here is how they differ from half-inch HP 45 heads and when the extra height earns its keep.
Read guide Jul 7, 2026 Coding on Metal & Glass: Ink and Adhesion Guide Cans, foils, and glass are smooth and non-porous — water-based ink wipes right off. Here is how to get durable date and lot codes onto metal and glass.
Read guide Jul 7, 2026