Polyethylene Coating: A Skinny layer of polyethylene on either side supplies longevity. The outer layer shields the look and printing, even though the internal layer functions as a sealant, creating the carton fully leakproof. The 1st patents for food stuff paperboard containers date again to the start of the final https://dairycartonsustainability.water.blog/2025/05/05/why-gable-top-packaging-is-the-future-of-eco-friendly-liquid-solutions/