1 / 3
One of the most common questions B2B buyers ask is: "Can I put hot liquid in a PET can?" The answer is complex. Standard PET deforms at high temperatures. However, the industry is moving away from heat pasteurization toward modern preservation methods that maintain flavor better. This is where Cold Fill and HPP (High-Pressure Processing) shine.
The Problem with Heat (Hot Fill): Traditional "Hot Fill" (heating juice to 85°C to kill bacteria) requires heavy, expensive "Heat Set" bottles with vacuum panels. Worse, the heat "cooks" the flavor, making fresh orange juice taste like marmalade. Standard, sleek PET cans cannot withstand this heat.
The Solution: Cold Fill & HPP
The perfect partner for the standard PET can is High-Pressure Processing (HPP).
HPP requires a container that is flexible enough to transmit pressure but rigid enough to bounce back. PET is the perfect material for this. Unlike glass (which shatters) or metal (which dents permanently), PET handles the pressure cycle beautifully.
Another option for PET cans is Aseptic Filling. This involves sterilizing the can and the liquid separately and bringing them together in a sterile environment. This allows for shelf-stable milk and coffee drinks without preservatives, all inside a lightweight PET can.
If you want to sell a "fresh," premium juice or cold brew that lasts weeks or months rather than days, you don't need heat—you need HPP. And for HPP, the PET can is the undisputed king of packaging.
