Abstract: A thermoplastic olefin (TPO) composition comprises (1) a major amount by weight of (a) a substantially linear homopolymer or copolymer of a C2–C10 ?-olefin in major proportion to (b) a long chain branched a linear homopolymer or copolymer of a C2–C10 ?-olefin, (2) a minor amount by weight of a cross linkable elastomer, and (3) at least one thermally decomposing free radical generating agent present in an amount sufficient to promote an increase in melt strength of the composition over that of the melt strength of the linear homopolymer or copolymer of a C2–C10 ?-olefin alone and insufficient to substantially degrade the ?-olefinic polymers. The TPO composition is prepared by melt blending the components at a temperature sufficient to melt said homopolymers or copolymers of a C2–C10 ?-olefin and thermally decompose said agent. Articles are thermoformed from the thermoplastic olefin.

Abstract: A cable duct for protecting communication cable is provided, comprising an elongated body portion having a first end and a second end, the body portion further including a longitudinal axis extending between the first end and the second end; and at least two passageways formed completely through the body portion and extending substantially parallel to the longitudinal axis, each of the passageways having a cross sectional area sufficient to loosely contain at least one communication cable. The cable duct is constructed from a combination of materials including plastic and crumb rubber, preferably in a 1:1 composition, and includes a plurality of external ridges formed perpendicular to the longitudinal axis. The body portion further includes end connectors which are removably attachable to the first end and/or second end for connecting the cable duct to a second cable duct.