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Polar Tech RB30 Re-Freez-R-Brix Foam Refrigerant Pack, 9" Length x 4" Width x 1-1/2" Thick (Case of 3)

4.5 out of 5 stars 46 customer reviews
| 11 answered questions

Price: $8.06 ($2.69 / Packs) & FREE Shipping on orders over $35. Details
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Specifications for this item
Brand Name Polar Tech
Part Number RB 30
Number of Items 3
EAN 0696736386442
Item Weight 1.94 pounds
Overall Length 9  inches
Overall Width 4  inches
Thickness 1-1/2  inches
UNSPSC Code 48102100
UPC 696736386442

Polar Tech Re-Freez-R-Brix foam refrigerant pack. Re-Freez-R-Brix is a block of rigid foam that h... See more product details


This item's packaging will indicate what is inside. To cover it, select Ship in Amazon box on the checkout page.

Product Features

  • Long lasting
  • Rigid foam
  • Reusable
  • Economical
  • Keeps frozen products chilled for an extended period of time


Product Details

  • Product Dimensions: 9 x 4 x 1.5 inches ; 1.9 pounds
  • Shipping Weight: 5.2 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B009W7YCH4
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (46 customer reviews)
  • Amazon Best Sellers Rank: #6,115 in Industrial & Scientific (See Top 100 in Industrial & Scientific)

Frequently Bought Together

  • Polar Tech RB30 Re-Freez-R-Brix Foam Refrigerant Pack, 9" Length x 4" Width x 1-1/2" Thick (Case of 3)
  • +
  • Polar Tech RB15 Re-Freez-R-Brix Foam Refrigerant Pack, 4-1/2" Length x 4" Width x 1-1/2" Thick (Case of 6)
  • +
  • Polar Tech 227C Thermo Chill Insulated Carton with Foam Shipper, Medium, 12" Length x 10" Width x 7" Depth (Case of 2)
Total price: $43.99
Buy the selected items together

Product Description

Polar Tech Re-Freez-R-Brix foam refrigerant pack. Re-Freez-R-Brix is a block of rigid foam that holds its shape frozen or thawed and is reusable. The Refrigerator in a bag. These refrigerants are non-toxic, sealed in a heavy plastic pouch, and are rated the best in foam refrigerants. Prevent thawing, keeps frozen products chilled for an extended period of time. Protects against freezing, when packaged in properly insulated containers, warmed Re-Freez-R-Brix release heat, keeping perishables from freezing. Protect from warming, keeps perishables requiring a temperature range of 32 to 60 degree F at a safe, uniform cool temperature for over 14 days.

Customer Reviews

Top Customer Reviews

Verified Purchase
Length: 1:52 Mins
The packs work great. I use these everyday. I would make sure to keep these in a plastic bag to protect the plastic coating from tearing. Otherwise, you will be very pleased with this purchase.
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By TJ on October 13, 2014
Verified Purchase
While these work great in a cooler to keep things cold without the melting water, I am very disappointed with these. The first time I used them one of the package covers split. The second time I used them another one split. I am the only one going into my cooler so it's not like a lot of hands are mistreating them. So now I am down to one and I am going to use a heavy duty zip lock bag to cover it. I am not a happy camper!
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By Karma on October 7, 2014
Verified Purchase
Plastic covering has slits. Upon thaw and resulting condensation, there was a lovely green slimy liquid left in my cooler. Nobody died and they're cold, but I had to seal them in another bag before I could use them again. Now, there's lovely green slimy ice surrounding the brick.
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Verified Purchase
We used the freezer blocks to ship temperature sensitive medication. The blocks held up very in the Polar Tech cooler. When I received the cooler 3 days later the blocks were still cold and so was the cooler interior. Medication was delivered at an acceptable temperature. Since then I have used these blocks multiple times to pack a picnic cooler and have had great results even on the hottest days. The best part of using them is that at the end of the day there is no water mess in the bottom of the cooler to clean up. Everything stays cool and dry. Much better than ice!
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Verified Purchase
This product does stay cold for hours, HOWEVER, the exterior wrapper holding the Brix/gel on all 3 has breaks all over them and now the gel has leaked out all over the inside of my cooler. These need to be manufactured better. They are NOT reusable over and over as stated...
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By honeyDADger on September 18, 2014
Verified Purchase
AWESOME!!!! I ordered these to help keep my lunch cool, living in a very hot climate and keeping my lunch box in the car due to no actual storage area at work, I frequently had very warm foods that shouldn't be, these did the trick and for the price well worth it!
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By Rani Dawes on February 24, 2015
Verified Purchase
I bought these to slip into my medicines cooler to take on the airplane to the Big Island. They are perfectly sized and I have placed each into 1-gallon zip lock bags to protect them from tearing. These seem perfectly suited for my use!
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Verified Purchase
Bought these to use in a styrofoam cooler to hold individual cups of ice cream for my son's class. The ice cream stayed frozen, and when he came home from school at the end of the day, the blocks were still frozen.
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