A synthetic fiber group in which the fiber forming sustenance is any long-chain synthetic polymer composed of at least 85% by weight of ethylene, propylene, or other olefin units. Polypropylene and polyethylene represent this group.
A polyolefin is a polymer produced from a simple olefin, or alkene as a monomer. For example, polyethylene is the polyolefin produced by polymerizing the olefin ethylene. An equivalent term is polyalkene; this is a more modern term, although polyolefin is still used in the petrochemical industry.
A “controlled force” shrink film with excellent clarity and consistency, commonly used for display packages. It is the predominant all-purpose shrink film currently in use. Usually “biaxially oriented.