Who Knew Penetrox?

[HRW-staff]

Contesting’s walking encyclopedia, Frank W3LPL, answers the question of why there are two kinds of Penetrox. “Penetrox-A uses a Vaseline suspension. Â*Vaseline can be problematic with rubber and some other materials. Penetrox-A13 and -E use a synthetic suspension. Types -A and -A13 use aluminum particles, while -E uses copper particles.”See the data sheet hereSource: ARRL

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