
SMT Polyimide PCB Label
White polyimide PCB label for SMT, reflow and wave-solder traceability with stable thermal-transfer printing.
- Internal seriesCFT-SMT-300
- Temperature range-40°C to 350°C
- FacestockMatte white polyimide
Product Overview
The SMT Polyimide PCB Label is a specialized industrial marking solution engineered for the demanding environment of printed circuit board manufacturing. Constructed from a matte white polyimide facestock with a permanent acrylic adhesive, this label is designed to endure the extreme conditions of surface-mount technology processes. Available in thicknesses of 25 µm and 50 µm, it provides a stable and durable base for high-quality printing. This label is specifically formulated to be printed using resin ribbons or high-temperature resin ribbons, ensuring crisp, durable images that meet the rigorous standards of electronics production.
This label delivers outstanding reliability where standard materials fail. It is built to resist the intense heat of reflow and wave-soldering, maintaining its integrity and adhesion throughout these harsh manufacturing stages. The label also withstands exposure to flux and common cleaning agents, ensuring that its markings remain intact and legible. This robust performance guarantees that 1D barcodes, QR codes, serial numbers, and other critical text remain scannable and clear, facilitating reliable traceability from the top-side, bottom-side, or after-process marking. Its permanent adhesive ensures it stays firmly in place, providing consistent performance for process control and long-term identification.
These labels are ideal for SMT assembly, PCB traceability, component marking, and process control applications across electronics, aerospace, automotive, and medical sectors. Available in standard sizes from 2x2mm up to 9x9mm or custom dimensions, they can be tailored to your specific needs. For applications requiring high-temperature resistance up to 400°C or specific color options, please confirm the appropriate variant with our team, as certificate support is confirmed based on the selected variant and application. Contact Colorfulttr to request free samples or discuss OEM support for your unique requirements. Validation note: the -40°C to 350°C range is a material range statement; validate peak temperature and dwell time against your actual reflow or wave profile, and confirm certificate support for the selected label-and-ribbon variant before bulk orders.
How do I validate the label against my reflow profile?
Test printed samples through your actual peak temperature and dwell time on your substrate with the recommended resin or high-temperature resin ribbon; certificate support (for example UL recognition) is confirmed for the selected variant and application, not as a blanket series claim.
Core Advantages
Resists reflow and wave-solder heat
Validated for the stated industrial application.
Maintains barcode legibility
Validated for the stated industrial application.
Resists flux and cleaning agents
Validated for the stated industrial application.
Supports resin-ribbon printing
Validated for the stated industrial application.
Thermal transfer printing
Supports crisp, durable variable-data marking with the recommended ribbons.
Technical Specifications
| Internal series | CFT-SMT-300 |
|---|---|
| Temperature range | -40°C to 350°C |
| Facestock | Matte white polyimide |
| Thickness options | 25 µm, 50 µm |
| Adhesive | Permanent acrylic |
| Recommended ribbons | Resin ribbon, High-temperature resin ribbon |
| Certification | UL/SGS/RoHS/REACH |
Typical Applications
Not sure which grade fits your printer and label?
Tell us the label material, printer model, environment and expected durability. We will recommend the right option.



