Simple, cost-effective solution for ensuring integrity of samples, vaccines and biologics. User-activated indicator designed for use in storage boxes and storage containers.
1. Turn the cap
2. Shake until liquid turns bright pink
3. Place next to biologic or inside container
Non-Activated vs. Activated
Once activated, the indicator turns bright pink and stays pink until heat thresholds are met — giving you unmistakable visual confirmation of temperature integrity.
Ready Inside Your Cryo Box
Designed to fit alongside your sample tubes in standard cryo storage boxes, providing continuous at-a-glance monitoring without disrupting your workflow.
Each Pinktail BX™ variant is tuned to a specific signal temperature — the point at which the indicator freezes and stops any color change from occurring.
Pinktail BX™ 0C
Our most popular product, the Pinktail BX™ 0C is used by researchers, academics and biobanks to ensure sample integrity. Available in multiple run-times at room temperature, the Pinktail BX™ 0C is fast enough to detect dangerous excursions and suitable for samples exposed to multiple freeze-thaw cycles.
Pinktail BX™ M18C
Similar to the BX 0C except no color change takes place until temperatures above –18 °C are reached. Useful when monitoring products stored below –20 °C and/or products that go through multiple freeze-thaw cycles. Faster than the BX 0C because the indicator color change starts as soon as temperatures rise above –18 °C.
Pinktail BX™ M37C
Part of the deep freeze product collection intended for long-term deep storage applications, ultra-cold sample management and critical cold-chain shipments. The indicator exhibits no color change below –37 °C and remains bright pink for years. Specifically formulated to last about 2 days at –20 °C, it can also be used as a time indicator for shelf-life sensitive products.
Pinktail BX™ M67C
Part of the deep freeze product collection for long-term deep storage, ultra-cold sample management and critical cold-chain shipments. This is the lowest signal temperature offered. Specifically formulated to last about 3 months at –40 °C and 2 days at –20 °C, it can also be used as a time indicator for shelf-life sensitive products.
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