Re: [TR] Sand Blasting

["Randall" <TR3driver@ca.rr.com>]

> Tell me, though, isn't there such a thing as "black lung 
> disease" from coal?????  So you get that instead of silica?

"Coal slag" is not the same thing as coal.  Coal is mostly carbon, slag is
what's left over after the carbon (and anything else that will burn) has
been burned out and the residue melted by the heat.

Coal slag has it's own hazards, but they have been more recently discovered
and may not be as severe as sand.  See for example:
https://www.osha.gov/Publications/OSHA3821.pdf

If it worries you, look into electrolytic rust removal.  I also saw a cool
video recently on laser rust removal:
https://www.youtube.com/watch?v=ACGSzBXKONo

Still a bit pricey, but might come down.  Or, I found a 50 watt LED laser
diode on flea-bay for about $100 ...

Randall

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