Pierce 10X Western Blot Transfer Buffer is covered under our general 1-year warranty and is guaranteed to be fully functional for 12 months from the date of shipment, if stored as recommended (4 degrees C). Please see section 8.1 of our Terms & Conditions of Sale (https://www.thermofisher.com/content/dam/LifeTech/Documents/PDFs/Terms-and-Conditions-of-Sale.pdf).
Find additional tips, troubleshooting help, and resources within our Protein Purification and Isolation Support Center.