Pepper spray does have an expiration date anywhere from 2 – 5 years depending on the brand. There are 2 reasons why you will want to replace the canister after it expires: 1).
The most usefull answer is: your typical small canister of pepper spray generally lasts from 2 to 4 years, while some products may last as much as 5 years. However, the exact expiration date may vary so always check the exact date on the canister. Make sure to not keep your spray in places that are too hot or cold to avoid any potential leakage or freezing.
You should be wondering “When do pepper sprays expire?”
Most pepper sprays have the expiration date mentioned on the canister which is usually 2 to 4 years from the manufacturing date. The formula is very concentrated from the time of its manufacture.
An answer is that Every canister of pepper spray or mace expires one day. Do you know what to do next? Yes, this happens to every owner of a pepper spray can. One day you looked at the expiration date on your trusted old can of Mace or Pepper spray and saw that the expiration date has already passed.
We recommend replacing your spray at the expiration date shown on your pepper spray. The manufacturer cannot be held responsible if the spray has exceeded its expiration date or if the expiration date is no longer visible. At what temperature should I store my SABRE pepper spray?
Does the spray have an expiration date?
However, the exact expiration date may vary so always check the exact date on the canister. Make sure to not keep your spray in places that are too hot or cold to avoid any potential leakage or freezing.
What is the shelf life of a pepper spray canister?
Most pepper sprays last for only two years from their manufacture date. Because all SABRE products use only the best available components and formulation ingredients, all SABRE civilian products have a 4-year shelf life! Can I reuse the canister after I’ve sprayed someone?
Why does pepper spray stop working after a while?
Because every aerosol-based can of pepper spray (including mace) is prone to lose internal pressure overtime. The liquid pepper essence remains potent for ages but the propellant gas inside the canister (the gas pushes the spray out) does lose its pressure. When that happens the can does not shoot the spray anymore but just sputters it around.