Labeling Fundamentals: Critical Knowledge for Labeling and Production

Insights & Technical Answers from Coding Solutions Experts to Ensure Zero Downtime and Maximum Compliance.



CSI facts

Who Benefits from Our Industrial Labels?

Everyone in the supply chain utilizes labeling, but for a production-focused entity like yours, labels are a direct input to your manufacturing process. Every facility is a potential high-volume user, with some operations consuming millions of specialized labels annually across diverse shapes, sizes, and applications. Our primary focus is on pressure-sensitive labels—the standard for industrial use—which feature a ready-to-use adhesive backing.

The Sales Advantage: When quoting labels, always build relationships with both the Purchasing Manager (for procurement efficiency) and the Production Manager. The Production Manager is keenly focused on performance and reliability, understanding that a cheap, failing label that causes line stoppage easily negates any small cost savings. Our expertise lies in preventing these costly failures, making us a value-driven partner, not just a supplier.




Design and Print Production Standards

What Are Pantone Colors, and Why Do They Matter for My Brand?

Pantone Matching System (PMS) colors are the industry standard for ensuring exact color consistency across different print runs, materials, and locations. They provide a precise language for color.

  • • Flexographic Printing: Requires specific PMS spot colors to ensure brand identity when printing on large batches.
  • • Digital Printing: Often uses CMYK (or expanded gamut) to simulate PMS colors, which is handled via the Pantone Bridge chart.

Reference Charts:






What Are the Essential Artwork Specifications for Print Production?

Providing clean, correctly formatted artwork is critical for rapid, error-free production. We prefer layered files with all elements included.

  • • Preferred File Formats: Adobe Illustrator, Adobe Photoshop, InDesign, and high-resolution PDFs.
  • • Vector (Illustrator): Supply all linked, high-resolution files and fonts. Avoid using complex transparencies, and always set Document Raster Effects Settings to 300 dpi for optimal results.
  • • Raster (Photoshop): Minimum resolution for continuous tone images is 300 dpi. For images containing text (bitmap), the minimum resolution is 1000 dpi at 100%. Always include a .125” bleed if the image extends to the label edge.
  • • Colors: Clearly note any requested color matches using official PMS/Pantone numbers in the file.





Label Construction and Material Science

What is the Basic Construction of a Pressure-Sensitive Label?

A label is a multi-layered component engineered for performance.

  • • Facestock (Top Surface): The upper layer of the label material that receives the ink, available in various paper, film, and specialty stocks to match your project's durability and style needs.
    • • Paper Stock: Used for most general applications (shipping, inventory). Includes coated, thermal transfer, direct thermal, gloss, semi-gloss papers and matte papers.
    • • Film Stock (Poly): Used when durability is paramount. Includes Vinyls, Polypropylene, Polyethylene, and UL-approved films, offering superior resistance to water, oil, and chemicals.
  • • Adhesive: The layer that bonds the label to the substrate. (See Adhesive section below)
  • • Liner: The backing material the label is peeled from.

When to Use What Type of Adhesive?

The adhesive is dictated entirely by the application environment and the surface material (substrate). There is an endless combination of facestocks and adhesives, ensuring we can meet almost any requirement.

  • • Permanent: Standard, strong bond used in most applications.
  • • Removable/Semi-Permanent: Used when the label must be peeled away cleanly after a set period.
  • • All-Temperature / Deep Freeze / Hotmelt: Specialized formulations necessary for cold chain logistics or application to wet, cold, or textured surfaces.
  • • UV Hotmelt / Wash-off: Used for specialized environments like extreme heat or processes requiring complete label removal (e.g., reusable containers).

Does My Label Need Laminate or Varnish Protection?

Finishing adds a protective layer, extending the label's life and improving appearance.

  • • Lamination: Provides the highest level of protection against chemical damage, water exposure, and heavy handling. Available in clear gloss or matte.
  • • UV Varnish: A highly protective liquid coating that resists scuffing, scratching, and some chemicals. Note: Once UV varnish is applied, the label cannot be printed on thermally.
  • • Aqueous Coating: A water-based protective coating that provides high gloss and protection from dirt and fingerprints. Unlike UV Varnish, aqueous coating does allow for post-print thermal printing.

File Types

To ensure the highest print quality for your custom labels, we accept a variety of industry-standard file formats, including high-resolution PDF, Adobe Illustrator (AI), EPS, and high-quality PNG or JPG files.

  • • Adobe Illustrator: Preferred for all custom labels as it preserves vector paths, allowing us to scale your artwork to any size without losing sharpness or detail.
  • • Adobe Photoshop: Recommended for photographic or highly detailed imagery, provided the file is created at 300 DPI or higher to ensure a crisp, professional print.
  • • Adobe InDesign: Best for multi-version projects and complex layouts, providing our team with precise control over margins, bleeds, and text alignment for a perfect finish.
  • • high-resolution PDFs: Ideal for cross-platform compatibility because it embeds all fonts and images, ensuring your layout remains exactly as you intended when it reaches our press.




What Is the Difference Between Direct Thermal and Thermal Transfer Labels?

Direct thermal labels use a heat-sensitive coating that darkens when exposed to the printhead — no ribbon required. They are ideal for short-term applications such as shipping labels, receipts, and food date-coding, where the label does not need to survive heat, UV light, or harsh chemicals over time.

Thermal transfer labels use a ribbon to transfer ink onto the label surface using heat. The printed image is highly durable and resistant to fading, heat, moisture, and chemicals — making thermal transfer the preferred choice for barcodes, asset tags, product identification, and any label that must remain legible for months or years.

  • • Choose Direct Thermal when: labels are short-lived (days to weeks), cost is a priority, and no ribbon inventory is desired.
  • • Choose Thermal Transfer when: labels must endure heat, outdoor exposure, chemicals, or long shelf life. Required for most industrial and compliance labeling.

Not sure which is right for your application? Contact our team for a recommendation.




What Type of Label Adhesive Should I Use in a Freezer or Cold-Chain Application?

Applying labels in cold or wet environments is one of the most common sources of labeling failure. Standard permanent adhesives are not formulated to bond to cold, wet, or frost-covered surfaces. For freezer and cold-chain applications, the correct adhesive makes all the difference.

  • • All-Temperature Adhesive: Performs across a broad range, typically from -20°F to +200°F. Ideal for products that move between refrigerated and ambient environments.
  • • Deep Freeze / Freezer-Grade Adhesive: Engineered to apply and adhere at temperatures as low as -65°F. Required for frozen food packaging, cryogenic storage, and products labeled directly from the freezer.
  • • Hotmelt Adhesive: Provides strong initial tack on wet, cold, or textured surfaces. A common choice for beverage and fresh produce labeling.

Key tip: Always specify both the application temperature (the temperature at the time of labeling) and the service temperature (the lowest temperature the label will experience in use). These may be different and both affect adhesive selection. Get a quote and our team will match the correct adhesive to your environment.




The Quoting Checklist

What Key Information Do I Need to Get a Targeted Quote?

To provide the most accurate price and the correct material recommendation (the best value), you must gather the following information:

  • • Label Size: Across (Width) x Around (Length) - Yes, orientation matters!
  • • Quantity: The estimated annual usage.
  • • Number of Versions: How many different designs (SKUs) are needed?
  • • Colors: How many colors total, and are they process (CMYK) or spot (PMS)?
  • • Substrate & Environment: What is the label sticking to, and what environment (heat, cold, chemicals) will it endure?
  • • Post-Print: Will the customer print on the label after delivery (requires specific facestock/finish)?
  • • Application Method: Hand-applied, or machine-applied (applicator)?
  • • Printer Type: If printing on the label, what brand/model thermal printer is being used?
  • • Finishing: Rolled, sheeted, or fanfold product?
  • • Winding Direction: The required orientation coming off the roll/copy position (for machine application).
  • • Samples: A physical sample reigns supreme! Always request a sample of the current label or product being labeled.


Ready to Find the Right Label for Your Application?

Our team has over 25 years of experience matching labels, adhesives, and printers to production environments. Get a targeted quote in 24 hours.

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