Product Overview
LLDPE is a copolymer of ethylene and another longer olefin, which is incorporated to improve properties such as tensile strength or resistance to harsh environments. Linear Low-density polyethylene (LLDPE) is similar to LDPE, but consists of largely linear chains with many short side branches. The characteristics of the finished product can be manipulated through adjusting the constituent formula. While other applications are available, LLDPE is used predominantly in film applications due to its toughness, flexibility, and relative transparency. Product examples range from agricultural films, Saran wrap, and bubble wrap to multilayer and composite films.
Linear low-density polyethylene has unique melt flow properties and is typically processed using blow molding, film extrusion, or injection molding. Film extrusion is the dominant processing method for LLDPE. LLDPE plastic has a high shrinkage rate in part due to the fact that this material is semi-crystalline and therefore takes up more volume in its melt state than in its solid state.