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Polytetrafluoroethylene is a fluorocarbon solid, as it is a high-molecular-weight compound consisting wholly of carbon and fluorine. PTFE is hydrophobic.
P 2053 (OTTO) Polytetrafluoroethylene, beads Cas no 9002-84-0 - used in the production of carbon fiber composites as well as fiberglass composites, notably in the aerospace industry.