Polyethylene Coating: A skinny layer of polyethylene on both sides presents toughness. The outer layer shields the look and printing, whilst the interior layer functions like a sealant, building the carton completely leakproof. The craze toward single-serve and takeout packaging has boosted demand. Operational effectiveness metrics show quicker support instances https://dairycartonssustainability.blogspot.com/2025/08/green-future-in-every-sip-eco-water.html