Ultrasonic cleaner - best temperatures/times for cleaning brass cases

Discussion in 'Reloading' started by ZG47, May 27, 2019.

  1. ZG47

    ZG47 AH Enthusiast

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    Hi Guys
    I have purchased a 2.5 litre Ultrasonic cleaner at almost half price (40% off plus a loyalty reward voucher). It has a digital temperature control and I would like to obtain some advice, based on practical experience, as to suitable temperatures/times for cleaning brass cases.
    I will probably start by cleaning a couple of ball pens that were messed up by leaky refills (takes me back to selling technical pens and pen-company-branded ultrasonic cleaners in the mid to late 1980s) so ... no rush to look through your notes. NB I can easily convert Fahrenheit readings to Celsius/Centigrade.

    Cheers
     

  2. Opposite Pole

    Opposite Pole AH Fanatic

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    I use Hornady sonic cleaner, the instruction manual states: "Most brass cartridges do not need heat to efficiently clean. Using the heating function during prolonged cleaning cycles may actually cause tarnishing to appear.".
     
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  3. ZG47

    ZG47 AH Enthusiast

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    Thanks, I suspected as much.
     

  4. mdwest

    mdwest AH Elite

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    I have a Lyman ultrasonic. Lyman recommends warm water.

    I typically just use water from the tap at whatever temperature it provides (never measured). My guess is the water is in the low 90’s (Fahrenheit)
     
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  5. ZG47

    ZG47 AH Enthusiast

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    Thank you Dave (and Opposite Pole). Somewhere in the tepid range would seem to be the maximum appropriate temp. I can try some old cases that I do not intend to reload and see what happens with cold and tepid water.
     

  6. Hogpatrol

    Hogpatrol AH ENABLER SILVER SUPPORTER AH Legend

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    I use room temperature distilled water and Lyman's cleaning solution in an el cheapo I got off of ebay. I run them for thirty minutes and they are hot after about fifteen to twenty minutes anyway. Primer pockets have the most difficult residue to remove. After cleaning, I blow them out with compressed air.
     
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