>Andrew wrote:
>
>> Oh, and be careful of some 'compressed air' - one I bought here in Aus.
>> without due care and attention is a can full of hydrocarbon propellant -
>> probably propane or butane, called Aerosolve (locally made). Consequently,
>> it is highy flammable and enthalpy causes it to chill down anything it
>> hits, as well as leaving a film. Major health hazard and could damage
>> lenses or film seriously. Despite this, it's marketed for cleaning
>> photoequipment and film for scanning!
>
>And what company market it ? Adeal, who also distribute the Leica in Oz !
>Bought some Aerosolve from their HQ building @ Altona North, Had some very
>nice special edition Leica gear on display.
>
>...Wayne
It's made in Bayswater. I used it to demonstrate endothermic/exothermic
reactions and changes of state. You can really cool stuff down with it!
Reminds of the cans pumbers used to use to freeze pipes before quick
changing mains taps (so they didn't have to shut down the main). Use with
extreme care!
Andrew
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