Overwrap Bags - Cryogenic Storage Bag
Cryogenically Stable - Highly Impact and Tear Resistant

Welch Fluorocarbon's Overwrap Bags made with Teflon® FEP film are an ideal choice as a cryogenic container, cryogenic bag, and cryogenic storage. Overwrap Bags made with high performance Teflon® FEP film are cryogenically stable at temperatures below -383°F(-230°C). Overwrap Bags made with Teflon® FEP film are a perfect choice to safeguard against damage to the parent bag, and the sample within. Teflon® FEP film has special characteristics which make it an ideal choice as a cryogenic container:

• Stable when completely immersed in Liquid Nitrogen (LN)
• Cryogenically stable at temperatures below -382°F
  (-230°C).
• Extremely durable to impacts and tearing
• Teflon® FEP is a USP Class VI plastic and FDA approved
• Teflon® FEP maintains it's flexibility properties at cryogenic temperatures
• Ideal choice to archive and protect cord blood samples
• Easily iintegrateable into any bio archive system
• Perfect cryogenic container for any application

Overwrap bags are used in numorus applications: cord blood banks, stem cell research, cryopreservation, immunotherapy and all types of cell collection applications that require a cryogenic bag. Our overwrap bags are an ideal choice to protect samples during cryopreservation. Our overwrap bags are also optically clear, allowing high visibility of the sample, even during cryopreservation.

Your custom Overwrap bag can be manufactured using the following high performance Fluoropolymer films: modified PTFE, FEP and PFA. To learn more about the Fluorocarbon films used to manufacture our cryogenically stable Overwrap Bags please visit our film data page.

Contact one of our expert Sales Engineers to discuss your custom Overwrap bag made with Teflon® FEP film.

Overwrap Bag Made With Teflon® Film