The high-barrier, shelf-stable container holds 10 oz of coffee, tea, cocoa, soups, and alcoholic beverages. Through a natural reaction between calcium oxide and water inside the container, the product heats to about 145 degrees F in six to eight minutes and stays hot for 30 minutes.
The cup-holder-friendly container consists of three components: a blow-molded plastic cup and plastic cone, and an injection-molded plastic actuating “puck.” Sonoco supplies nearly all of the components. The inner cone holds calcium oxide. The outer body of the container contains the beverage. The puck, which holds the water, fits inside the cone and is sealed by a T-E metal end. Lakeside Foods processes the self-heating container.
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