Assertion: high density polyethylene | /r/HasProperty | polypropylene pp
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text: Typically, the largest component of the plastic waste stream is low-density polyethylene (LDPE)/linear LDPE, followed by high-density polyethylene, polypropylene (PP), polystyrene (PS/extended PS), polyvinyl chloride, polyethylene terephthalate (PET), and then other miscellaneous types (Siddique, Khatib, & Kaur, 2008).