Dry Ice :: Winemaking Gases and Equipment from the Quimby Corporation

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	Dry Ice

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Dry ice is typically produced in three standard forms: Blocks, cylindrical Pellets, and dry ice "Rice".
- Blocks weighing approximately 30 kg are most common. These are commonly used in shipping, because they sublimate slowly due to a relatively small surface area.
- Pellets are around 1 cm in diameter and can be bagged easily. This form is suited to small scale use, for example at grocery stores and laboratories.
- Rice is the smallest form of dry ice. The small form is ideal for blasting purposes. Rice is more effective for some science experiments, flash freezing, or Halloween effects. Dry ice is also inexpensive.

Dry ice is commonly used to package items that need to remain cold or frozen, such as ice cream, without the use of mechanical cooling. In medicine it is used to freeze warts to make removal easier. In the construction industry it is used to loosen floor tiles by shrinking and cracking them, as well as to freeze water in valveless pipes to allow repair. In laboratories, a slurry of dry ice in an organic solvent is a useful freezing mixture for cold chemical reactions. Dry ice can also be used for making ice cream.

Dry ice can be used to carbonate water and other liquids such as soft drink and beer.[citation needed] It can be used as bait to trap mosquitoes and other insects.

When dry ice is placed in water sublimation is accelerated, and low-sinking dense clouds of fog (smoke like) are created. This is used in fog machines, at theaters, discoteques, Haunted Houses, and nightclubs for dramatic effects. When used in theatre productions it creates the effect of dense fog. Dry Ice is also used in cloud seeding: the process of altering cloud precipitation.