Abstract

The primary components, ash contents, and fillers of a batch of plastic road speed bumps and thermal baffles for import were analyzed using multiple analytical methods (e.g., Fourier-transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD)). Based on appearance characteristics and manufacturing process, the sample origin was analyzed. Such products are made using insulated polyvinyl chloride (PVC) wire and cable sheath as the raw material. Specifically, the sheath is extruded and thermoformed into plastic products in a melting furnace following cleaning and sorting. The varying dates of declaration of goods lead to different assessment opinions on solid waste. In this paper, a case study was presented, providing a reference for identification and supervision of solid wastes of recycled plastic products for import.

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