Skin Exposure Paste

(Generic versions may still be available.)


SKIN EXPOSURE REDUCTION PASTE AGAINST CHEMICAL WARFARE AGENTS (SERPACWA) is a viscous white paste containing a 50:50 mixture of a perfluoroalkylpolyether (PFPE) and a polytetrafluoroethylene (PTFE).

PFPE has the empirical formula CxF2x+1 -[O-CF(CF3)-CF2]n-(O-CF2)m-O-CyF 2y+1 where x, y=1, 2 or 3 and n/m > 40. PTFE has the empirical formula (CF2CF2)n .

The PFPE CAS number is: 69991-67-9.

The PTFE CAS number is: 9002-84-0.

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