HF
HF HF preforms are used for packaging beverages and sauces that are filled with they are hot. Mostly, products like juices, ice-tea, ketchup, sports drinks, and flavored water make use of bottles built using HF preforms. HF or hot fill preforms are used to make PET bottles that do not deform in high temperatures. These are used for packaging beverages and juices such as fruit juices, ice-tea, ketchup, sports drinks, and flavored water. They can tolerate temperatures up to 85°C.