Krytox 157 FSH Oil

Like the other Krytox™ fluorinated oils, Krytox 157 FS lubricant is insoluble in most common organic solvents. It is also nonflammable. Decarboxylation occurs on heating above about 170 °C (338 °F) and becomes vigorous at 200 °C (392 °F). The product formed appears to be a mixture but is mainly a hydro-endcapped version of Krytox fluorinated oil. The decarboxylation of its alkali metal salts in the presence of water occurs at lower temperatures and yields essentially pure polymers end capped with hydrogen.

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