The quick-freezing process, essential for preserving the quality, texture, and flavor of food products like vegetables, seafood, poultry, and ready meals, places specific demands on the conveyor belt. A wire mesh belt used in spiral freezers or IQF (Individually Quick Frozen) tunnels must perform reliably in temperatures as low as -40°C (-40°F) and withstand constant thermal cycling. The primary material is almost always stainless steel (AISI 304 or 316), which maintains its toughness and does not become brittle at cryogenic temperatures. The belt's design must facilitate ultra-rapid heat transfer; an open mesh structure is vital to allow the upward blast of cold air to contact the product from all sides, ensuring uniform freezing. The belt must also have high flexibility to navigate the tight turns of a spiral freezer without fatigue cracking. For instance, in an IQF tunnel freezing peas or shrimp, a wire mesh belt allows the frigid air to fluidize the products slightly, preventing them from clumping together and ensuring each piece is frozen individually. The belt must be easy to clean to meet hygiene standards, as it comes into direct contact with the food. Reliability is critical, as a belt failure inside a spiral freezer can lead to extensive production downtime and product loss. We provide robust wire mesh belts specifically designed for the harsh conditions of quick-freezing applications. For expert advice on selecting a belt for your freezer, please contact us with your model and product details.
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