DuraTemp ULT Thermal Backup
DuraTemp ULT Thermal Backup Solutions provide enhanced protection for your ULT freezer contents. The thermal backup kits provide hours of extended hold time for your valuable samples through power or mechanical disruptions.
Ultimate Sample Protection
DuraTemp thermal backup units give lab managers critical additional time to deal with rolling blackouts, power or mechanical failures.
Ultra Efficiency
With extra emergency hold time, lab managers can increase the freezer setpoint temperature so it runs more efficiently.
Ultra Simple and Scalable
With extra emergency hold time, lab managers can increase the freezer setpoint temperature so it runs more efficiently.
Backup for ULT Freezers
- Backup unit changes color to white when charged for use
- Robust design assures extended hold time
- Easy to slide into rack or lay flat on tray with other samples
- 12 unit kit consumes less than 5% of space in a 28 cubic food ULT Freezer

DuraTemp -70°C [-94°F] Phase Change Material [PCM] is an Inorganic, mineral based PCM with strong energy storage potential, high density and good thermal conductivity. It is safer and more environmentally sustainable than organic, or acid based alternatives with no flammability, toxicity, health, deforestation, or environmental issues.
Our -70°C is a revolutionary Ultra Cold PCM, with no major toxicity issues and is not highly corrosive, flammable, and does not act as a solvent to plastics or insulations. This product is ideally suited to Ultra-Cold freezer temperature control and is well suited as replacement to dry ice in Cold Chain. It is available in Blow Mold & Sealed Bottles/Bricks.
-70°C Features
- Non-Flammable
- Non-Toxic
- No Deforestation or Wildlife/Environmental Impact
- Narrow Temperature Range
- Use of Abundant Natural Materials