Phase Change Material

BioLife Solutions’ Ultraguard -70°C phase change material provides backup cooling in ULT freezers and a dry ice alternative for benchtop biologic material storage.

Bio Life Solutions Ultraguard Pcm

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BioLife Solutions’ UltraguardTM is the first-ever non-toxic, non-hazardous, and non-flammable -70°C phase change material (PCM) for ultra-low temperature (ULT) protection. The two primary applications for Ultraguard include temperature holdover in cases where ULT freezers are without power for various reasons, and in benchtop biologic material storage as an alternative to dry ice, addressing any limitations or risks associated with supply, cost, or safety.

“We are excited to provide more value to our life science customers through the risk mitigation benefits of Ultraguard,” says Todd Berard, chief marketing fficer for BioLife Solutions. “From added ULT freezer backup temperature security to a potentially disruptive alternative to dry ice, we continue to innovate and look forward to enabling global access to Ultraguard as we explore potential customer use cases.” 

The Ultraguard PCM form factor is an ergonomic-friendly plastic bottle or “brick” that is “charged” or conditioned from a liquid to a frozen solid state by freezing below -80°C to store the necessary amount of cooling energy. Visual confirmation of charge completion is provided by a color change, and once the brick has crystalized, it is ready to extend ultracold temperature times inside a ULT freezer cabinet.  

Berard continues, “As we partner with various top logistics providers, we will continue to explore the additional dry ice replacement scenarios, as we see the addressable markets for Ultraguard will include the global installed base of ULT freezers, as well as the global consumption of dry ice for biologic material storage and transport.”

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