what is the difference between expiry date and shelf life.

Expiration Date is the time after which the potency of the drug is reduced and it may have less therapeutic action and duration of action.
shelf life is the time taken by the drug to get reduced up to90% or degradation of10 % of active drug.
In other words  Expiration date, the date of  expirationArticle shelf life Are substancesthat have alifespanexpires  

From medical perspective: The shelf life generally relates to a drug's quality over a specified period of time, whereas the expiration date relates to both quality and safety of a medication at a specific point in time.
Hope you found this helpful.

Shelf Date means the period it can be stand in the shelf or stored without used.

 

Expire date means that after that date all recipe or content of that produce it effectiveness will be reduced every day after and it is not recommended to be taken or used

Expiry date: is dead date you can't use any more

Shelf life: can be extend after QC approvel

expiry date related to product , shelf life related to storage period

Shelf life is the length of time that a commodity may be stored without becoming unfit for use or consumption.(Shelf life is the recommended maximum time for which products can be stored, during which the defined quality of a specified proportion of the goods remains acceptable under expected (or specified) conditions of distribution, storage and display)

-Foods,beverages,perishable goods and etc

 

Expiration date is guarantee the particular product within the particular duration(After the time it will be trat as hazard)

 

Shelf life:Duration for the product is to be safe to use

expiration date: help us to demolish the product after particlar time period

Expiry date is the date that the product will not be usable anymore but Shelf life a life time of product from manufacturing date to expired date.

The Expiry Date is the date at which a certain product is considered Unfit ( Unsuitable ) for Consumption , & would ultimately loose it's Viability ( Monitory wise ) , & , consequently , would loose it's Marketability .
The Shelf Life is the period of time that's left in a certain product's life , calculated in accordance with the Manufacturing Date , as a result of it being stored , or , not being sold .
In other words , the time period between the Manufacturing & Expiration Dates could be called the Life of the Product , & , the time period that remains from this Life , since it's started , until the Expiration Date , could be called the Shelf Life , during which , the Product is still Suitable & Fit for Consumption .
And normally , in most industries , a Product that has Two Third Shelf Life , out of the Total Intended Product Life , still remains in it , could still strongly be considered a saleable , marketable & ready-to-be-consumed Product .
( & That's the way it goes ) .

Gooday Generally, shelf life is the time given to a products (foods, beverages, drugs, chemicals, and many other perishable items) before they are unsuitable for sale, use or consumption.
For food, shelf life is different from expiration date: the former refers to food quality, the latter to food safety.
Generally expiry dates when talking about drugs are when the product is no longer as potent as it was before and will deteriorate further as time passes.
For further info on this subject please refer to the Shelf Life info at this link - https://en.wikipedia.org/wiki/Shelf_life Pat

expiry date is the date at which a product should be pulled of the shelve of its seller because its harmful if used by the consumer, shelf life is the duration of time that a product can stay useful or salable to the consumer.

Expiry date is a definite date by which  a product should be used, whereas the shelf life is an indication of the period of time, a product would be valid for use.