SHANGHAI RIJER INDUSTRIAL CO.,LTD 

With the rapid development of smart transportation and security identification industries, the market has set higher requirements for smart cards in terms of thermal temperature stability, printing image quality, lamination bonding strength and long term service life. Conventional base materials are prone to pain points such as shrinkage induced warpage, printed ink peeling and inter layer delamination after high temperature lamination, which compromise the yield rate and actual service life of finished cards.

Against this backdrop, Shanghai RIJER Industrial has ramped up its R&D efforts and launched the Dura PETF(PET/BOPET)  Core Sheet (Model RJT-04), a high-performance core material dedicated to composite cards. Developed for application scenarios including ETC cards, metro transit cards and ID credential cards, it delivers outstanding print compatibility, ink adhesion and heat resistance, bringing highly stable substrate solutions for domestic card manufacturers. 

The Dura PETF(PET/BOPET)  core sheet adopts a matched A+B dual-sheet structural design. A white PVC/PETG functional module is sandwiched in the middle, with PET/PVC/PETG overlay films laminated on both sides,Excellent printability and strong ink adhesion, compatible with direct offset and screen printing.Supporting background printing, it perfectly fits the classic multi layer composite card architecture and helps card producers improve the overall quality of finished cards.

The product features reliable technical specifications suitable for large scale industrial production:

Vicat softening temperature: 160.0±2.0 °C; thermal shrinkage ≤3% when treated at 150 °C for 30 minutes, effectively resisting deformation during lamination

Tensile strength ≥80 MPa with favorable mechanical toughness for superior bending resistance of finished cards Rigorous dimensional control: dimensional tolerance ±1 mm, angle cut tolerance ±1 mm,diagonal difference ≤1.2 mm, thickness tolerance ±10%, minimizing material waste during high volume cutting operations

It is compatible with both hot and cold lamination processes without extensive production line retrofitting:

Hot Lamination: Temperature ≥140 °C, Pressure ≥7 MPa, Dwell time 20 min

Cold Lamination: Temperature ≤20 °C, Pressure ≥7 MPa, Dwell time 20 min

 

Storage and Handling Requirements: The Dura PETF(PET/BOPET)  core sheet is packed with inner PE bags and outer cartons. It shall be stored in a sealed, moisture proof and horizontal position at 5-30 °C. Heavy compression and direct sunlight must be avoided. The stacking height shall not exceed 1 meter. The product shelf-life is 1 year under recommended storage conditions.

Substrate performance underpins the reliability of smart cards. Balancing process compatibility, thermal shrinkage resistance, printing quality and lamination bonding strength, the Dura PETF core sheet effectively mitigates common defects including warpage, delamination and ink loss, boosting production yield for manufacturers of ETC, transit and ID cards. The Dura PETF(PET/BOPET)  Core Sheet RJT-04 is now commercially available globally. Technical documentation and production related support can be provided according to customer project requirements, facilitating high quality development of the domestic smart card industrial chain.

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