As the use of recycled PET continues to grow, maintaining the appearance and performance of white opaque PET packaging presents new challenges. For dairy applications, whiteness, opacity and light protection are particularly important for both packaging appearance and product quality.
However, recycled PET can introduce variations in color and brightness, making it more challenging to maintain the desired appearance of white PET bottles. At the same time, ensuring adequate light protection remains an important consideration for light-sensitive dairy products.
So how can manufacturers increase recycled content while maintaining the properties needed for white PET packaging?
In this edition of Technical Insights, Holland Colours expert Hans Werink explores the challenges of incorporating recycled PET into white opaque packaging and the role of color and light protection in supporting packaging performance.
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Hans Werink is a Senior Product Development Specialist at Holland Colours, with extensive experience in PET packaging and functional additive solutions. His work includes the development of technologies for dairy packaging, light protection, processing performance, and recycled PET applications.