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Cold Packs - Cryopak Phase 22

Cold Packs - Cryopak Phase 22
Other products by TCP Reliable
Item #: CP22-
Our Price: $0.00
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Description  more details

  • Cryopak Phase 22 packs are great for applications that need to maintain a controlled room temperature
  • Phase change temperature is 71.6°F (22°C ) - hit the MORE DETAILS tab above for more info!
  • Provides thermal protection when shipping products at various temperatures
  • When used as liquid, acts as gentle heat source (keeping the contents warm)
  • When used as solid, acts as a heat sink (protecting the contents from heat)
  • Available in various quantities (select from drop down box above)
Occasionally we have had reports of Phase 22 packs leaking at the seams. It's RARE, but it has happened. To be safe, we recommend placing them in a sturdy Ziploc bag when using.
These packs are designed to undergo "phase change" (begin freezing or melting) at 71.6°F (22°C).  If you think the temp inside your box might rise ABOVE this, use a frozen Phase 22 pack. It will absorb the heat energy in your box as the pack changes from solid to liquid, thereby keeping the contents of the box cooler.

Occasionally we have had reports of Phase 22 packs leaking a bit at the seams. It's RARE, but it has happened. To be safe, we recommend sealing them in a sturdy Ziploc bag when using.

If you are concerned that the temp inside your box might dip slightly BELOW 71.6°F (22°C), use an un-frozen pack.  It will release its heat energy inside your box as the pack tries to "phase change" from liquid to solid, thereby keeping the contents of the box slightly warmer.

HOWEVER - note that the warming properties of this process are NOT as powerful as true Shipping Warmers (Heat Packs).

If you expect your shipment to encounter temps below 60°F we recommend using a true Heat Pack shipping warmer.

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