Polar Tech
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Polar Tech - RB 8 RB8 Re-Freez-R-Brix Foam Refrigerant Packs, 7.5 oz, 4.5 x 4.75 (Case of 21)
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Polar Tech - RB 8 RB8 Re-Freez-R-Brix Foam Refrigerant Packs, 7.5 oz, 4.5 x 4.75 (Case of 21)
RE-FREEZ-R-BRIX is the best in foam refrigerants
Polar Tech - RB 8 RB8 Re-Freez-R-Brix Foam Refrigerant Packs, 7.5 oz, 4.5 x 4.75 (Case of 21)
Item #: 476423

Polar Tech - RB 8 RB8 Re-Freez-R-Brix Foam Refrigerant Packs, 7.5 oz, 4.5 x 4.75 (Case of 21)

Item #: 476423

ETB 4134

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Sunday, July 12
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RE-FREEZ-R-BRIX is the best in foam refrigerants
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What Stands Out

Efficient Cooling
Designed for optimal temperature retention, the RB8 packs effectively keep items cold for extended periods, addressing the need for reliable refrigerant solutions in food transportation.
Durable Construction
Made with high-quality foam material, these refrigerant packs are durable and withstand repeated use, ensuring long-term reliability for customers in need of dependable cooling solutions.
Convenient Size
With dimensions of 4.5” x 4.75”, these packs fit seamlessly into various containers, providing versatility and convenience for transporting perishables without compromising space.

Product Details

Shop Polar Tech RB 8 Re-Freez-R-Brix Foam Refrigerant Packs on Ubuy Ethiopia. Keep your products cool with these high-quality refrigerant packs. Get fast and reliable shipping.
  • Polar Tech RB8 Re-Freez-R-Brix foam refrigerant packs
  • 7.5 oz, 4.5” x 4.75” case of 21
  • Made in the United States
  • Non-toxic and reusable
  • Rigid foam that maintains shape frozen or thawed
  • Rated the best in foam refrigerants
Item Weight2 lbs (910 grams)

Who Should Buy?

Suitable For
  • Food Safety

    Ideal for maintaining the temperature of perishable goods during transport, ensuring food safety and freshness.

  • Outdoor Events

    Perfect for picnics, camping, or tailgating to keep food and beverages cool without ice melting.

  • Medical Supplies

    Suitability for transporting temperature-sensitive medical supplies, including vaccines, enhancing logistic reliability.

Not Suitable For
  • Long-Term Cooling

    Not suitable for extended cooling needs, as the packs eventually lose effectiveness over time.

  • Heavy Loads

    May not provide sufficient cooling for large or heavy thermal loads, requiring more robust options.

  • Liquid Cooling

    Not effective for tasks needing continuous liquid cooling systems; designed primarily for solid goods preservation.

Product Description

Polar Tech - RB 8 RB8 Re-Freez-R-Brix Foam Refrigerant Packs, 7.5 oz, 4.5 x 4.75 (Case of 21)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are Polar Tech RB8 Re-Freez-R-Brix Foam Refrigerant Packs used for?

    Answer: Polar Tech RB8 Re-Freez-R-Brix Foam Refrigerant Packs are primarily designed to keep items cold during transportation or storage. They work effectively to maintain temperature stability in coolers and lunch bags, making them suitable for picnics, outdoor activities, or transporting perishable goods. By using these packs, you can ensure that your food remains fresh and safe for consumption, which is especially important during hot weather.
  • Question: How long do Polar Tech RB8 refrigerant packs stay frozen?

    Answer: These refrigerant packs typically stay frozen for several hours, depending on the external temperature and conditions. When placed in a freezer for optimal freezing, they can maintain low temperatures for around 5 to 8 hours in a cooler. This duration makes them an excellent choice for extending the freshness of food and drinks during long outings or events.
  • Question: Can I reuse Polar Tech RB8 refrigerant packs?

    Answer: Yes, the Polar Tech RB8 refrigerant packs are reusable, making them a cost-effective solution for your cooling needs. After each use, simply refreeze the packs before your next outing. Their durable construction allows them to withstand multiple freeze-thaw cycles without losing efficiency, providing you with reliable cold retention repeatedly.
  • Question: Are Polar Tech RB8 refrigerant packs safe to use around food?

    Answer: Absolutely, Polar Tech RB8 refrigerant packs are designed with food safety in mind. They are made from non-toxic materials, ensuring that no harmful chemicals will contaminate your food products. These packs are ideal for use in coolers and food storage solutions, giving you peace of mind while keeping your items chilled and safe.
  • Question: What size are the Polar Tech RB8 refrigerant packs?

    Answer: The Polar Tech RB8 refrigerant packs measure 4.5 x 4.75 inches and weigh 7.5 oz each. This compact size allows them to fit easily into various cooler types and lunch bags, maximizing your storage space. They are designed to provide powerful cooling without taking up excessive room, making them highly efficient for all your chilling needs.
  • Question: How many refrigerant packs come in a case of Polar Tech RB8?

    Answer: Each case of Polar Tech RB8 contains 21 individual refrigerant packs. This bulk packaging is a great convenience for families or businesses that require multiple packs for extensive cooling needs, such as catering events, picnics, or outdoor adventures. Having a case on hand ensures that you always have enough capacity to keep your items chilled.
  • Question: Do these packs leak when they thaw?

    Answer: No, Polar Tech RB8 refrigerant packs are designed to prevent leakage even when they thaw. They are constructed with a robust, sealed exterior that contains the refrigerant gel securely inside. This feature minimizes mess and ensures that your cooler contents remain unaffected by any potential leaks, enhancing the overall cleanliness and usability of your cooling solution.
  • Question: Can I customize the number of packs I purchase?

    Answer: Typically, Polar Tech RB8 refrigerant packs are sold in cases of 21. However, if you're looking for customization, including purchasing fewer or additional packs, you may want to check with specific retailers. Some e-commerce platforms may offer flexible buying options, allowing you to buy according to your needs.
  • Question: What is the best way to store Polar Tech RB8 refrigerant packs?

    Answer: To maintain their efficacy, store Polar Tech RB8 refrigerant packs in a freezer when not in use. Ensure they are kept flat to avoid any bending or damage. This storage method will ensure they are ready for use whenever needed, allowing you to quickly grab them for any cooling requirements, be it for work, school lunches, or outdoor activities.
  • Question: Where can I buy Polar Tech RB8 refrigerant packs in Ethiopia?

    Answer: You can purchase Polar Tech RB8 refrigerant packs from Ubuy in Ethiopia. Ubuy offers a variety of cooling products, and you can easily find this specific item alongside other related cooling solutions. Shopping at Ubuy ensures a straightforward purchasing experience with reliable service for your refrigerant pack needs.

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

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“Not madly expensive like I thought, and much quicker than promised.”

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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

ETB 4134

Order now and get it around Sunday, July 12

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
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  • dhl
Fastest cross-border delivery

Features & Benefits

  • Rigid foam holds its shape frozen or thawed
  • Reusable and non-toxic
  • Sealed in heavy plastic pouch
  • Superior to other foam refrigerants
  • Originates from the United States
  • Weighs 5.012 Kilograms

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