MIL-PRF-16173E CLASS II GRADE 4
(Formerly PL-4)
ESGARD PL-4.2 is an easily removable, transparent, non-tacky thin film preservative. It
contains an effective corrosion inhibitor to protect metal surfaces while in
manufacturing, storage or shipping. PL-4.2 is a listed qualified product under MIL-PRF-
16173E CLASS II GRADE 4 (aka: P-19 preservatives).
FIELD OF APPLICATION
ESGARD PL-4.2 is intended for general purpose indoor and limited outdoor preservation of
corrodible metals with or without an over wrap and where handling, stacking and
counting requires a tack-free coating. It is also used where there is no requirement
for miscibility a with lubricating oil and where ease of removal with Stoddard’s
solvent is important
