Polyimide Label Material AX-PI25G
High temperature resistant PI label material (25µm) - Gloss
Precision 25mm Gloss Polyimide for High-Density PCB Traceability
Engineered for high-density PCB traceability, this ultra-thin 25µm gloss polyimide delivers absolute thermal stability up to 300°C. It ensures 100% barcode readability through rigorous SMT and reflow cycles, maintaining high-resolution integrity in the most demanding manufacturing environments.
Key Benefits
- Withstands peak temperatures up to 300°C (572°F) for 5 minutes
- Resistant to harsh cleaning chemicals, flux, and industrial solvents
- Superior dimensional stability prevents label shrinkage or curling
- High-gloss topcoat optimized for 600 DPI thermal transfer printing
- Excellent resistance to abrasion and smearing after printing
Applications
- SMT (Surface Mount Technology) top and bottom side
- Reflow and Wave Soldering processes
- High-density PCB Component Traceability
- Aerospace and Military grade electronics labeling
- Automotive under-the-hood electronic modules
Material Features
- 25 micron (1.0 mil) Polyimide film substrate
- Gloss white high-performance topcoating
- High-strength permanent acrylic adhesive
- ESD-safe (Electrostatic Discharge) options available
- UL recognized and RoHS/REACH compliant
Material Structure
- Coating
- Gloss white thermal transfer receptive coating
- Substrate
- High-performance Polyimide (PI) film
- Adhesive
- Cross-linked high-temperature permanent acrylic
- Liner
- 80gsm white super-calendered glassine paper
Physical Properties
- Adhesion
- >= 12 N/25mm (Stainless Steel, 24hr)
- Peel Adhesion
- 1.5 ~ 5.0 kgf/inch (180° peel)
- Initial Tack
- >= 8# Steel Ball (JIS Z0237)
- Holding Power
- <= 0.5 mm (1kg/25mm x 25mm, 40°C)
Weatherability
- Short-term Max
- 300°C for 5 mins; 260°C for 15 mins without discoloration
- UV Resistant
- Good (Suitable for indoor industrial use)
- Wet Resistant
- Excellent (No edge lifting after 100hrs immersion)
Printing Method
Optimized for high-resolution Thermal Transfer (TTR) using premium resin ribbons such as Armor AXR7+, AXR8, AXR9, Ricoh B110CU, and DNP R510. Also compatible with UV Flexo and Screen printing using high-performance UV-curable or solvent-based inks.
Storage & Shelf Life
Store in original packaging at 22°C (72°F) and 50% relative humidity. Avoid direct sunlight and contact with moisture.