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model-22414 model-22414 model-22414 Zebra

Zebra ThermaLock 4100D Barcode Label

Zebra ThermaLock 4100D Barcode Label

ThermaLock 4100D from Zebra is the direct thermal label you need if you need it to withstand the harshest environments. All weather conditions, including extreme heat and cold, direct sunlight, rain, snow, and chemical exposure are no match for this direct thermal label. For up to a year outside, and even longer indoors and in shaded areas, the label is clear and highly legible with simple-to-scan barcodes. Use it in indoor and outdoor facilities as well as out in the field thanks to compatibility with Zebra's direct thermal mobile, desktop, and industrial printers. ThermaLock 4100D is Zebra's most durable direct thermal label to date thanks to new technology, which also increases chemical and moisture resistance in this iteration of the dependable and well-liked ThermaLock 4000D.
Introducing ThermaLock 4100D, a direct thermal label made from durable polypropylene. These labels are built to withstand extreme temperatures from -65°F/-54°C up to 165°F/74°C, as well as exposure to sunlight and an array of chemicals.

Highlighted Features:
  • Effortless Printing — No Ribbon Necessary: ThermaLock 4100D integrates smoothly with Zebra’s direct thermal mobile, desktop, and industrial printers, offering all the direct thermal printing advantages while eliminating the need for ribbon management.
  • Advantages in Mobile Printing: Beyond its compatibility with Zebra's direct thermal printers, ThermaLock 4100D excels in mobile printing by producing robust labels without a ribbon. Its capability to generate labels on-site enhances worker productivity and streamlines workflow, eliminating the need to return to a central printer and reducing the risk of mislabeling.
  • Engineered for Safety and Sustainability: These labels are free from BPA, BPS, and Phenol, ensuring they are safe for the environment and the health of everyone who handles them, from workers to end consumers.


ThermaLock 4100D boasts a glossy silver finish and is highly temperature-resistant, handling extremes from -65°F/-54°C to 165°F/74°C, alongside resistance to sunlight and various chemicals. As BPA, BPS, and Phenol-free labels, they contribute to environmental sustainability and user safety. Their compatibility with Zebra’s direct thermal printers eradicates the need for ribbons, simplifying the printing process. Additionally, the ability to print labels with unique data directly via mobile devices optimizes operational efficiency, reducing trips to centralized printers and minimizing errors.


Applications and Industries:

Logistics • Packaging labels for materials like cardboard, plastic, glass, and metal Retail • Garden and lawn centers Healthcare • Lab testing Manufacturing • In-process work labels Government • Citation tags


Refine Your Options
  1. Zebra Labels
    Part #: 10040024 | SKU: ZEB732775

    Labels - Zebra Thermalock 4000D - Label - Synthetic - 4x2" (101.6x50.8mm) - Direct Thermal - ThermaLock 4100D - Coated - Acrylic - 0.75" (19.1mm) core - Plain
  2. Zebra Labels
    Part #: 10040025 | SKU: ZEB732776

    Labels - Zebra Thermalock 4000D - Label - Synthetic - 4x6" (101.6x152.4mm) - Direct Thermal - ThermaLock 4100D - Coated - Acrylic - 0.75" (19.1mm) core - Plain
  3. Zebra Barcode Label
    Part #: 10040024-R | SKU: ZEB732777

    Labels - Zebra Thermalock 4100D - Synthetic - 4x2" (101.6x50.8mm) - Direct Thermal - Coated - Acrylic - 0.75" (19.1mm) Core - 235 Labels Per Roll - Priced Per Roll
  4. Zebra Barcode Label
    Part #: 10040025-R | SKU: ZEB732778

    Labels - Zebra Thermalock 4100D - Synthetic - 4x6" (101.6x152.4mm) - Direct Thermal - Coated - Acrylic - 0.75" (19.1mm) Core - 78 Labels Per Roll - Priced Per Roll

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