Before we talk about Shelf Life of PET Bottles let us first understand what does the term shelf life means. Shelf life is the duration of time period measured from the date of manufacture, that a good is likely to endure within its accepted product specification while stocked under defined conditions. Shelf life is characteristically stated in units of months, i.e. 12 months, 24 months, up to a limit of 60 months. The expression “shelf life” and “expiry date” is frequently interchangeably made use of in the industry, as both the terms reflect the same notion: there is a duration of time period where a good is stable and harmless for use. Shelf life/expiry dates suggests the time where a good will work both securely and efficiently. This is the reason why “shelf life testing” is also known as “stability testing”. The total amount of time a product can remain stable under specific environmental circumstances, equates to its shelf life. Now let us understand what shelf life of