Description
Product Overview
The Polar Tech RB30 Re-Freez Foam Refrigerant Pack is engineered to meet the demanding needs of modern laboratory environments where temperature stability and reliability are paramount. Constructed from high‑density rigid foam, this pack provides a sturdy, reusable platform that can be placed inside standard lab coolers or freezers to extend the cooling life of frozen specimens, reagents, and samples. Measuring 9 inches in length, 4 inches in width, and 1.5 inches in thickness, the pack occupies minimal space while delivering maximum thermal performance. Weighing just 1.94 pounds, it is lightweight enough for easy handling yet robust enough to withstand repeated cycles of freezing and thawing without degradation. The product is not discontinued, and it has been available since August 3, 2017, reflecting a proven track record of durability and customer satisfaction. With a best‑seller rank of #6 in Lab Coolers and a 4.5‑star rating from over 600 reviews, the RB30 demonstrates both popularity and trust among scientific professionals.
![[Product front view showing all components]](https://www.riverago.store/wp-content/uploads/2026/08/06ea5fd91ebe4bdc9fb363f4800a7e41.jpg)
Usage
Designed for versatility, the RB30 Re-Freez Foam Refrigerant Pack excels in a variety of laboratory settings. Whether you are maintaining a cold chain for biological samples, storing temperature‑sensitive chemicals, or preparing specimens for downstream analysis, this pack offers a reliable thermal buffer that reduces temperature fluctuations. Its rigid foam core retains cold temperatures for an extended period, allowing users to keep items frozen even during brief power interruptions or when moving samples between workstations. The pack is also suitable for educational labs, field research kits, and small‑scale industrial applications where cost‑effective cooling solutions are required. Because the pack is reusable, laboratories can reduce waste associated with single‑use ice packs, aligning with sustainability goals while saving on recurring expenses.
Why Choose Us
Polar Tech Industries, Inc. has a reputation for delivering high‑quality scientific accessories that combine performance with practicality. The RB30 Re-Freez Foam Refrigerant Pack stands out due to its combination of rigid foam construction and reusable design, offering a longer service life compared to traditional gel or ice packs. Each unit undergoes rigorous quality control testing to ensure consistent thermal retention and structural integrity across multiple freeze‑thaw cycles. Additionally, the pack is manufactured in compliance with industry standards for safety and environmental responsibility, meaning it contains no hazardous chemicals and can be safely disposed of or recycled at the end of its lifespan. Our dedicated customer support team provides technical assistance, warranty coverage, and guidance on optimal usage, ensuring that you receive the full benefit of the product throughout its operational life.
Key Features
- Rigid high‑density foam retains cold temperatures longer than standard gel packs
- Reusable design reduces waste and lowers long‑term operating costs
- Compact dimensions fit easily into most laboratory coolers and freezers
- Lightweight yet durable, withstanding repeated freeze‑thaw cycles
- Backed by Polar Tech customer support and a comprehensive warranty
FAQ
How long does the RB30 keep items frozen?
Under typical laboratory conditions, the RB30 can maintain frozen temperatures for up to 12 hours without additional ice, depending on ambient temperature and the thermal load of the stored items.
Can the pack be used in a standard household freezer?
Yes, the pack is compatible with both laboratory‑grade and household freezers. Its size and material allow it to function effectively in any freezer that can accommodate its dimensions.
Is the foam material safe for biological samples?
The foam is non‑reactive and free of hazardous chemicals, making it safe for direct contact with biological specimens and chemical reagents.
What is the recommended cleaning method?
Simply wipe the exterior with a mild detergent solution and a soft cloth. Avoid abrasive cleaners or submerging the pack, as this can damage the foam structure.
Does Polar Tech offer bulk pricing for larger orders?
Yes, volume discounts are available for bulk purchases. Contact our sales team for a customized quote based on your order size and specific requirements.
In summary, the Polar Tech RB30 Re-Freez Foam Refrigerant Pack provides a dependable, economical, and environmentally friendly cooling solution for a wide range of laboratory applications. Its rigid foam construction, reusable nature, and compact form factor make it an essential accessory for any scientific workflow that demands consistent temperature control. By choosing this product, laboratories can enhance operational efficiency, reduce waste, and maintain the integrity of temperature‑sensitive materials with confidence.






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