[Jewelry making - Article 00175] - Re: [Orchid] Bead Blaster and Humidity

[Martin James]

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    When using a air compressor the condensation problem is caused by the
    difference in temperatures and dew-points associated with the
    generation and release of the pressure. The professional drier units
    cool the air as it leaves the tank which lowers the dew point so the
    water can be released before it enters the work lines.  One way to
    reduce the water in the lines is to compress the air the night before
    then drain off the condensed water from the bottom of the tank before
    blasting. Most of the excess water will condense out as the tank
    cools. This is especially important for wax injection. For wax
    injection we only pressurize the tank to 25 pounds to avoid the
    associated build up of water. Having a big tank helps.

Cheers Marty

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