The permeability resistance of PET botde treated with plasma is gready raised to O2 , CO2, H2O and ultraviolet, it can meet the packaging requirement of beer being sensitive to O2 and light.

• 用等离子体处理的聚酯瓶,可大大提高对O_2、CO_2、水及紫外线的阻透性,能够满足对氧及光敏感的啤酒的包装要求。