Key Conclusions: Refrigerator grid shelves are crucial components for tiered storage. Made primarily of plastic through injection molding and other processes, they are customizable to different refrigerator models, combining load-bearing capacity with ventilation.
I. Product Overview
Refrigerator grid shelves, also known as shelving units or tiered mesh shelves, are horizontal support components installed in the refrigerator/freezer compartment. Their main function is to divide storage space, facilitating the categorization and arrangement of food. The mesh structure also allows for air circulation, helping to maintain a uniform temperature within the refrigerator. Some models are pull-out or height-adjustable, enhancing usability.
II. Core Processes
Injection Molding: The mainstream process, where molten plastic is injected into a mold, cooled, and then demolded to form the final shape. This allows for mass production with high precision.
Cutting/Bending: For metal mesh shelves, laser cutting or mechanical bending is used to create the mesh structure. Subsequent rust-proofing treatment is required.
Surface Treatment: Plastic mesh shelves may undergo anti-slip textures or matte finishes; metal mesh shelves are electroplated or powder-coated to enhance corrosion resistance.
III. Common Materials
Plastic: The most common material, such as PP (polypropylene) and ABS resin. Features include lightweight, low-temperature resistance, low cost, and resistance to breakage.
Metal: Mostly stainless steel or galvanized iron wire. Advantages include strong load-bearing capacity and high-temperature resistance, suitable for large-capacity refrigerators or commercial freezers.
Composite Materials: Some use a combination of "plastic frame + metal mesh," combining the lightweight of plastic with the load-bearing capacity of metal.
IV. Main Specifications
Dimensions: Length is typically 40-60cm, width 30-45cm, and thickness 2-5cm, requiring matching the length and width of the refrigerator's inner liner.
Mesh Parameters: Mesh aperture is commonly 1-3cm. Aperture size affects air permeability and load-bearing capacity; smaller apertures result in more even weight distribution.
Installation Methods: Divided into snap-on type (fixed to the refrigerator rails via clips on both sides) and pull-out type (can be pulled out entirely with sliding rails). Some models support height adjustment (to accommodate storage needs of different heights).
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