What type of rope is manufactured in "film" form rather than extruded filaments?

Mylar is a type of polyester film, specifically known as a polyester resin that is manufactured through a process of polymerization that allows it to be made in a film form instead of being extruded into filaments like other types of rope. This film form provides specific characteristics such as high tensile strength, chemical resistance, and dimensional stability, making it suitable for various applications that require durability and flexibility.

In contrast, other options like polyester, hemp, and nylon are typically produced through filament extrusion or fiber spinning processes that create long strands or fibers. For instance, nylon and polyester ropes are commonly created by twisting or braiding the extruded fibers, while hemp is derived from natural plant fibers. The distinct production method of Mylar as a film differentiates it from these other materials, emphasizing its unique properties and applications in rigging and other fields.