Topband: Desiccant in Beverage Boxes

[David Cutter]

Steel mesh is good.  From distant memory a nylon mesh of 0.8mm square is
used in the food industry.  This turns out to be the stuff ladies use to
fluff out their ballroom gowns and is very cheap.  Perhaps you could snip a
piece without it being noticed ?  I also found the fibreglass  net used for
plastering is effective.  Sticks in place with regular adhesive through the
holes to the box.
 
David G3UNA/G6CP

-----Original Message-----
From: Topband [mailto:topband-bounces at contesting.com] On Behalf Of Gary
Smith
Sent: 29 October 2019 23:06
To: Topband at contesting.com
Subject: Re: Topband: Desiccant in Beverage Boxes

My 2 pence which was suggested to me. If you leave ventilation holes, use
screen to cover the holes and leave SS brillo/steel wool pads in place at
the opening. Rodents don't like chewing through spun metal & the screen
keeps most insects out.

I spray 10% permethryn around my outdoor electronics after finding ants made
a nursery in one of my easily accessible Rx antenna amplifiers.

O'course 2 pence ain't worth much...

73,

Gary
KA1J



> Either let the box breath and provide drain holes, or seal it tight 
> and fit a desiccant.  Conformal coating to protect circuitry is rare 
> except in very sensitive/expensive products. David G3UNA/G6CP
> 
> > On 29 October 2019 at 22:08 David Olean <k1whs at metrocast.net> wrote:
> > 
> > 
> > Hi Mike
> > 
> > I would think that you would waste ur time unless the box was rather 
> > airtight. (As in hermetically sealed)  If moisture can get in, it 
> > will and negate any desiccant in rapid order. Just my opinion.
> > 
> > Dave
> > 
> > On 10/29/2019 7:28 PM, Mike & Becca Krzystyniak wrote:
> > >      I went to put my beverages back up for this winter.  On a
> > >      whim I opened
> > > each connection box and found a fair amount of a white powderish 
> > > condensate inside the diecast housings. Mostly on the housing 
> > > surfaces.  Wires and cores were clean.  Is it worth putting a 
> > > desisscant bag inside to help minimize this or don't fix what 
> > > isn't broken?
> > >
> > > Thanks...  Mike K9MK
> > >
> > >
> > >
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