Before revision: Thermoplastic olefin (TPO), thermoplastic polyolefin or olefinic thermoplastic elastomers refer to polymer/filler blends usually consisting of some fraction of a thermoplastic, an elastomer or rubber, and usually a filler.
After revision: Thermoplastic polyolefin (TPO), thermoplastic polyolefin or olefinic thermoplastic elastomers refer to polymer/filler blends usually consisting of some fraction of a thermoplastic, an elastomer or rubber, and usually a filler.