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Pitch (resin)
Pitch is a type of polymer. It can be natural or man-made. It can be gotten from petroleum, coal tar, or plants. Pitch made from plants is also called resin. Some things that are made from plant resin are also known as rosin.[1]
- ↑ "COAL-TAR PITCH, HIGH TEMPERATURE" (PDF). Archived from the original (PDF) on 2021-05-05. Retrieved 2021-05-05.
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