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Zebra ThermaLock 4100D Barcode Label

Heat-Resistant Labels for Extreme Conditions

Zebra ThermaLock 4100D  -  Zebra's ThermaLock 4100D delivers when you need a direct thermal label that can withstand the harshest environments. Extreme heat and cold, direct sunlight, rain, snow, and exposure to a variety of chemicals are all things that this direct thermal label can withstand. The label's easy-to-scan barcodes stay clear and highly legible for up to a year outside, and they last even longer indoors and in shaded areas. Maximum application flexibility is made possible by compatibility with Zebra's direct thermal mobile, desktop, and industrial printers. Use it both inside and outside of buildings as well as in the field. The ThermaLock 4100D is Zebra's toughest direct thermal label to date thanks to the new technology included in this iteration of the dependable and well-liked ThermaLock 4000D.
Full specifications (PDF)

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Zebra ThermaLock 4100D Barcode Label
Zebra ThermaLock 4100D Barcode Label
Zebra ThermaLock 4100D Barcode Label
 

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Full specifications (PDF)

Zebra ThermaLock 4100D Barcode Label Model Overview

ThermaLock 4100D is a direct thermal polypropylene label. The labels are designed to withstand temperatures—as low as -65°F/-54°C and up to 165°F/74°C—as well as exposure to sunlight, and a wide range of chemicals.

Key Features:
  • Simplified Printing — No Ribbon Required: ThermaLock 4100D is compatible with Zebra’s direct thermal mobile, desktop and industrial printers, providing all the benefits of direct thermal printing—there’s no ribbon to stock, monitor and replenish.
  • Mobile Printing Features: Besides the advantages that ThermaLock 4100D provides due to its compatibility to Zebra's direct thermal printers, one of its main benefits is being able to print resistant labels from mobile printers without the need of a ribbon. Additionally, the ability to print labels with unique data at the point of application improves worker productivity and workflow efficiency. The need to travel back and forth to a centralized desktop printer to retrieve labels and the opportunity to inadvertently apply the label to the wrong asset are eliminated.
  • Health- and Environmentally-Conscious Engineering: These BPA/BPS-free/Phenol-free labels protect the environment and the safety of everyone who comes in contact with them—from workers who load label stock into the printers and apply the labels to customers who purchase labeled goods.


ThermaLock 4100D consists of a direct thermal polypropylene label with a glossy silver appearance. The material is designed to resist extreme temperatures as low as -65°F/-54°C and up to 165°F/74°C, as well as exposure to sunlight and a wide range of chemicals. These BPA/BPS-free/Phenol-free labels protect the environment and the safety of everyone who comes in contact with them—from workers who load label stock into the printers and apply the labels to customers who purchase labeled goods. ThermaLock 4100D is compatible with Zebra’s direct thermal mobile, monitor and replenish. Besides the advantages that ThermaLock 4100D provides due to its compatibility to Zebra's direct thermal printers, the ability to print labels with unique data at the point of application improves worker productivity and workflow efficiency. The need to travel back and forth to a centralized desktop printer to retrieve labels and the opportunity to inadvertently apply the label to the wrong asset are eliminated.


Markets and Applications 

Logistics • Labeling of packaging material including corrugate, plastic, glass and metal Retail • Lawn and garden centers Healthcare • Laboratory testing Manufacturing • Work-in-process labels Government • Citation labels