Overview
Cylindrical dry ice is a solid form of carbon dioxide, widely used for its extreme cooling properties. Unlike regular ice, it sublimates directly from solid to gas, leaving no residue. Its cylindrical shape is designed for ease of handling and efficient storage, making it a preferred choice in industrial and commercial settings. Dry ice is produced by compressing and cooling gaseous CO2. The cylindrical form is created by pressing dry ice pellets into molds. This shape is particularly useful for applications requiring controlled sublimation rates, such as in shipping perishable goods or performing dry ice blasting.
Physical and Chemical Properties
Cylindrical dry ice has a density of 1.56 g/cm³ and sublimes at -78.5°C, transitioning directly from solid to gas without becoming liquid. This property makes it ideal for applications where moisture must be avoided. The gas released is pure CO2, which is non-toxic but can displace oxygen in confined spaces. The material is non-flammable and non-reactive under normal conditions. However, its extreme cold can cause frostbite upon direct contact with skin. Insulated gloves and proper ventilation are essential when handling dry ice to ensure safety.
Main Applications
Cylindrical dry ice is extensively used in food preservation, especially for shipping perishable items like seafood and frozen desserts. Its sublimation property ensures that products remain frozen without the mess of melting ice. In industrial settings, dry ice blasting is a popular method for cleaning machinery and surfaces without chemicals or abrasives. The medical industry relies on dry ice to transport temperature-sensitive pharmaceuticals and biological samples. Its versatility makes it indispensable across multiple sectors.
Safety and Storage
Proper storage of cylindrical dry ice is critical to prevent rapid sublimation. Insulated containers, such as Styrofoam boxes, are recommended to maintain its low temperature. Never store dry ice in airtight containers, as the buildup of CO2 gas can cause explosions. Safety precautions include wearing insulated gloves and working in well-ventilated areas. Avoid direct skin contact to prevent frostbite. In confined spaces, monitor CO2 levels to prevent oxygen displacement, which can lead to asphyxiation.
B2B Procurement Guide
When purchasing cylindrical dry ice, prioritize suppliers with certifications for quality and safety. Bulk orders often come at discounted rates, but ensure you have adequate storage facilities to minimize sublimation losses. Consider the sublimation rate when planning logistics. Dry ice typically loses 5-10% of its mass per day, so timely delivery and usage are crucial. Verify the supplier's packaging standards to ensure the product arrives in optimal condition.
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