After participating in the "19th Card, Documents and Signature Security Technology Exhibition and Summit Forum (SDS)" to be held at the National Convention Center in Beijing on May 28-29, 2025, and combining the latest industry trends with the technical analysis of the exhibits, The significance of PC (polycarbonate) and PETG (polyethylene terephthalate modified by diol) as core card base materials is highlighted in the following aspects:
🔬 1. The dual advantages of physical performance and safety characteristics.
The high strength and durability of PC card base film.
PC PC card base film has excellent impact resistance, high-temperature resistance (long-term service temperature up to 135℃) and dimensional stability, making it suitable for manufacturing documents that need to be preserved for a long time (such as ID cards and passports). It has high hardness, strong resistance to bending and physical wear, and can effectively protect the internal chips and antennas, extending the lifespan of the document.
The flexibility and processing convenience of PETG card base film.
PETG PETG card base film features high transparency, easy printing and good flexibility, making it suitable for cards that need to be bent frequently, such as bank cards and transportation cards. Its low-temperature heat sealing performance supports efficient lamination processes, and it does not contain bisphenol A, meeting environmental protection and health standards.
🌱 2. Environmental trends drive upgrading of materials
PETG card base film leads in recyclability
Compared with traditional materials such as PVC, PETG can be completely recycled and reused, reducing environmental pollution. At the exhibition, many enterprises emphasized that their new PETG card-based materials support the design of "green certificates" and comply with international environmental protection regulations such as the EU REACH .So did we.
The long lifespan of PC card film reduces resource consumption
The durability of PC (with a lifespan of over 10 years) reduces the frequency of document replacement, lowers resource waste from the source, and is particularly suitable for long-term usage scenarios such as identified documents.
🏢 3. Differentiated demands of application scenarios
Typical application scenario cases of core advantages of materials.
PC card film is impact-resistant, heat-resistant and has high hardness. Id cards, electronic passports and social security cards in China use PC as the base material to ensure a 25-year data retention period.
PETG card film is easy to print, flexible, environmentally friendly and recyclable. It is widely used in bank cards, membership cards, RFID tag cards and bank chip cards. PETG prevents frequent bending and breaking.
Exhibition Insight: New Demands for Security and Functional Integration
Compatible with high-security anti-counterfeiting technology
PC card base material supports physical anti-counterfeiting processes such as laser engraving micro-characters and holographic layer embedding.
The PETG card film's surface is easy to combine with RFID antennas and is suitable for smart card integrated chips and NFC functions .
Adapt to the new production process.
In the chip packaging solutions demonstrated by enterprises such as Tsinghua Unigroup Tongxin, PC and PETG, due to the difference in thermal stability, are respectively used in different packaging processes (high-temperature lamination vs low-temperature lamination) to meet the diverse production line demands.