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Cryogenic Freezing Explained

The IQF Cryogenic Freezer process utilizes the "wind chill" effect to increase the freeze rate for products. The high velocity gas flow created by the circulating fans, continually removes the thin insulating envelope of static gas that normally surrounds the product to be frozen. This allows the cold Nitrogen or CO2 gases to be in very close contact with the surface of food products. The rapid freeze achieved by the high velocity gas flow reduces product shrinkage and moisture loss, as well as maintains final quality of the product.



Benefits of Insulated Shipping Containers

Insulated Shipping Containers (or Dry Ice Boxes) are Designed for the Dry Ice, Frozen Food, Medical, Chemical, Pharmaceutical Industries, or Any Industry Where Cold Temperatures Must be Maintained for Extended Periods of Time.



Advantages of Cryogenic Freezing Over Mechanical Freezing

The main advantage of Mechanical Freezing over Cryogic Freezing is generally lower operating costs. However, the Cryogenic Freezer has much lower capitol equipment costs and lower maintenance costs.


Cryogenic Freezers meet all FDA requirements while Mechanical Freezers have to fill out risk management plans because Ammonia is highly toxic.


Cryogenic Freezers can reach temperatures of -180F to freeze food quickly. Mechanical Freezers can reach max low temperatures of -30F.




Advantages of Fiberglass Freezers Over Stainless Steel Freezers

The main concern with a Fiberglass outer shell is it's not as durable as a Stainless Tunnel, but the Fiberglass outer shell is strong, sleek, & extremely durable.


Fiberglass acts as a better insulater against the outside environment compared to Stainless freezers.


Fiberglass Tunnels have lower cost of capital equipment compared to Stainless Tunnels. Also, maintenance work is much less expensive and easier with a Fiberglass Freezer.


Everyday cleaning is much easier with the Fiberglass Freezer. No dead corners where bacteria can grow.



About RS Cryo

RS Cryo started back in 2005, and has mulitple employees with over 30 years experience in the cryogenic freezing industry. RS Cryo strives to provide new and existing customers with excellent service to keep everyone coming back.



Flexible Service & Installation

  • Once Cryogenic Freezer is Purchased, we offer free technical phone support with our qualified service technicians.
  • Service department available for on site repairs to your CO2 and Nitrogen Equipment anywhere in the US or Canada.
  • Trade-ins welcome!
  • We can test freeze your product at our facility


"We have purchased 3 Ultra Freeze refurbished nitrogen tunnels from RS Cryogenic, for our shrimp processing facility, within the past 5 years. They helped us with the selection for our application as well as the installation process. We use these tunnels daily and are one of the largest users of nitrogen in the state. The tunnels are fairly easy to clean and maintain..." Harold - Cox Seafood



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