shelf life & taste stability of Gprokeg plastic kegs for filled beer
The shelf life and taste stability for filled beverage, especially for filled beer, are the key parameters of the plastic kegs. for filled beer, during the shelf life, it requires the total oxyty should be less than 1000ppb, and the CO2 loss should be less than 10%, otherwise, the beer will be tasted old and/or flat; only stainless steel kegs and glass bottle can meet such requirements for the filled beer in the past several decades; it's a challenge for plastic kegs to meet such high requirement, any single polymer is not possible to have so high barrier performance, that's why not possible for all the PET one-way plastic kegs to have long shelf life for filled beer, even if with aluminium foil or aluminium film inner bag in the plastic kegs, due to crack and/or damage of the aluminium layer after the bag folding, it's also not possible to provide so high barrier performance and the filled beer is not possible to have a long shelf life. with years research on high barrie...