Contestings walking encyclopedia, Frank W3LPL, answers the question of why
there are two kinds of Penetrox. Penetrox-A uses a Vaseline suspension.
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.
What one can learn these days on the Internet !!!
Who woudda thought that in Thailand it is called, in Thai, "compound."
73
Charles Harpole, HS0ZCW
[EMAIL PROTECTED]
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