whereas the prefabricated cartons are only filled and sealed at the dairy plant.
Examples of cartons received at the dairy either broken down or in roll form are Pure
Pak, Seal King, and Tetra Pak. An example of the prefabricated carton is the Canco.
Figure 1-4 shows these types of milk cartons. The primary carton used by the dairy
industry to package fluid milk is the Pure Pak carton. The Pure Pak carton is identified
by the "steeple" at the top.
Figure 1-4, Types of Milk Cartons
(2) Glass containers. Glass is cheaper than paper containers because
bottles can be reused; however, bottles are bulky and heavy and are susceptible to
breakage. Glass containers also must be washed and sanitized before being used.
(3) Polyethylene jugs. These are a type of single service milk container.