Polyethylene Coating: A Skinny layer of polyethylene on either side provides toughness. The outer layer protects the design and printing, when the interior layer acts for a sealant, earning the carton fully leakproof. The 1st patents for food stuff paperboard containers date back to the start of the last century. https://ecofriendlypackagings.blogspot.com/2025/05/innovative-packaging-solutions-for.html
Gable top cartons No Further a Mystery
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