"What me worry?" wrote in message
...
Not to mention your skin does not stop MEK from penetration. It's
porous to MEK.


Don't confuse the solvent methyl ethyl ketone (MEK) with the catalyst
methyl ethyl ketone peroxide (MEKP or MEK peroxide). MEK does not produce
serious health effects until high concentrations are reached. MEK
peroxide, however, is a severe skin irritant which produces serious health
effects at even low concentrations. The OSHA permissible exposure limit
for MEK peroxide is about 1500 times lower than MEK. But both materials
should be handled with care.

As a side note MEKP is a high explosive related to acetone peroxide which
was used by ill fated terrorists who intended to blow up airplanes. As a
safety measure MEKP is usually supplied diluted in a solvent which
co-polymerizes with polyester resins.

73, Barry WA4VZQ
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