Cores and tubes are used for mailing, shipping, material
handling, and product display. Product types include plastic
cores and plastic tubes, paper core and paper tubes, and metal
cores and metal tubes. Mill cores, converter cores, carpet
tubes, and other specialty products are also available. Cores
and tubes are used mainly in continuous processes, such as the
production of papers, films and foils. These materials are wound
in the form of a roll or web that is supported by a core.
Customers can then move, store, and handle these finished
materials more easily. Paper cores and tubes differ in terms of
type and size. There are many different types of products.
Choices for paper tubes may include 2-piece telescopic or
3-piece telescopic, curl and disc, notched cores, slotted cores,
medical cores, cosmetic tubes, and labeled tubes. Typically,
dimensions are specified in inches (in) or centimeters (cm).
Thickness is another important parameter to consider. Like paper
tubes, paper cores may be designed to meet a