How Old Is My PIG Putty and How Long Can I Use It

by New Pig Technical Team

Customers love PIG Putty for quick repairs, and we’ve heard stories about people using it for everything from tanks to teeth (but we don’t recommend it for that). PIG Putty lasts about 2 years if you store it properly.

If you stashed a tube in your toolbox a while ago for emergencies, how can you tell if it’s still good? Every tube of PIG Putty has a date code printed on the foil seal that’s over the end of the tube. This code is 4-digit numerical string that represents the date of manufacture.

Here’s how to read the list:

The first digit is the year of manufacture. A “2” would represent 2022, a “3” would represent 2023, and so on. The next 3 digits represent the date listed in the format of a Julian Date. “001” would represent January 1st, “002” would represent January 2nd and so on. A “365” would represent December 31st (unless it’s Leap Year!). Here’s a handy spreadsheet for Julian dates — from this, you can determine when your putty was manufactured.

Regular Years

*Click on the images above for larger views.

Leap Years

If your PIG Putty is more than 2 years old, you should purchase new putty so you can be sure it will work for your applications.

According to the MSDS, the best way to store the putty is as follows:

Storage Precautions: Store below 90°F (32°C). Best conditions are at room temperature, however freezing and humidity will not affect performance of unused putty. If frozen, warm for a few minutes first for easier mixing. Shelf Life: ~2 years (in original tube with cap on).

You tell us: What do you fix with PIG Putty? Leave a comment below!

TAGS: Q&A About Top Products

Regular Years

Leap Years

New Pig Technical Team

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