Flame extinguishing compositions

摘要

Extinguishing compositions comprising a liquid extinguishing agent constituted by hydrofluoropolyethers having general formulaHF2CO(CF2O)n(CF2CF2O)mCF2Hwherein n and m are integers comprised between 0 and 20, excluding when m and m are contemporaneously 0 and having boiling point between 30 DEG and 200 DEG C. and having an O/C molar ratio between 0.5-1.