Gravure and Flexo Printing Performance on BOPP Printing Enhanced Film

https://www.firstagroup.com/products/ilc-bopp-printing-enhanced-film.html

Printing-enhanced BOPP films are designed to perform well with both gravure and flexographic printing processes, delivering superior adhesion, high-resolution image reproduction, and consistent results in high-speed production . Their key advantage over standard BOPP is the stable, high surface energy provided by a permanent coating or advanced surface treatment .

How Printing-Enhanced BOPP Helps

The core challenge with standard BOPP is its non-polar, low surface energy (around 22 mJ/m²), which makes ink adhesion difficult . Printing-enhanced films overcome this through:

Stable Surface Energy: Unlike the temporary effect of corona treatment, the enhanced surface provides durable ink adhesion that does not degrade over time . A surface tension of at least 38 dynes/cm is typically recommended for good ink wetting .

Improved Ink Interaction: The modified surface promotes better interaction with inks. For gravure printing, this translates to improved image resolution, even at very small groove sizes like 5-10 dot% . For flexographic printing, especially with water-based inks, certain adhesion-promoting additives can increase bonding strength on BOPP by about 35% .

Gravure vs. Flexo: Performance Notes

Gravure Printing: This process is widely used for BOPP in flexible packaging. Printing-enhanced films that use a combination of surface treatment and specific polymer compositions have been proven to significantly improve chromatic resolution and print quality, particularly at the fine detail level .

Flexographic Printing: The enhanced surface makes these films suitable for both solvent-based and water-based flexo inks . However, achieving optimal results with water-based inks may require specialized additives in the ink formulation to maximize adhesion and print quality . For UV flexo inks, it is crucial to check the film's compatibility, as some treated films may not be recommended for UV inks .

Key Takeaway

Both gravure and flexo printing achieve excellent results on printing-enhanced BOPP. The choice between them often depends on your specific print quality requirements, run lengths, and ink system preferences, as the enhanced film provides a reliable foundation for both technologies.

Do you have a specific ink type (e.g., water-based or UV) in mind for your application? Knowing this can help determine if any additional considerations are needed.