Facts about Dry Ice

Background

• Dry ice is carbon dioxide when it is in a solid state
• Dry ice is sometimes used to make fog or smoke
• Dry ice can not be held with your own bare hands

   History

• Dry ice was first produced commercially in the 1920s in the united states
• Dry ice was used to freeze food in the mid twenties
• Dry ice back in the day was used to keep ice cream cold before electrical refrigerators

Raw Materials

• The only raw material used to make dry ice is carbon dioxide

The manufacturing process