Thermoplastic

A polymer that softens on heating and hardens on cooling. Repeated processing can degrade it; remeltability does not guarantee practical recyclability. Names and abbreviations: melt-processable polymer. Related terms: Wood–plastic composite (WPC); Reinforcement. Sources: https://research.fs.usda.gov/download/treesearch/42497.pdf, https://research.fs.usda.gov/treesearch/36721