I forgot to mention that it can be removed nicely with hot air, and has
the very nice property that you can solder things that are coated just
in case you should make a misteak. it is soft. I did not know the
epsilon or tand.
Don
On 2021-11-11 17:49, Lux, Jim wrote:
On 11/11/21 4:00 PM, djl w
On 11/11/21 4:00 PM, djl wrote:
I've used, wait for it, beeswax as a potting compound. Gouda cheese
comes coated with it (some has paraffin, get the best,) in a lovely
red. I also found out some years ago that Catholic churches use pure
beeswax for large (not votive) candles and may give you th
I've used, wait for it, beeswax as a potting compound. Gouda cheese
comes coated with it (some has paraffin, get the best,) in a lovely red.
I also found out some years ago that Catholic churches use pure beeswax
for large (not votive) candles and may give you the stubs. Nice, clean
white. Or,
Rick -
Look at 3M Scotch-Weld Epoxy Potting Compound DP270.
https://www.3m.com/3M/en_US/p/d/b40066438/
I purchase from McMaster-Carr (Midwest pickup window is 2 miles from house).
This is what I have used, since it is rated for -65° to 350° F and safe with
copper (potting electronics, transforme
On 11/10/21 2:40 PM, Richard (Rick) Karlquist wrote:
I am looking for help choosing a potting compound that
has the following properties:
1. Good for 5,000VAC @ 1 MHz
2. Low RF losses.
3. Low permittivity is preferred
4. Low tempco of permittivity is a want.
5. Something I can implement in
Hello,
Probably Mupsil was a typo. Mapsil 213B is a silicone-based coating also
approved (at least by ESA) for space applications.
Regards,
Javier
On 11/11/21 5:56, Lux, Jim wrote:
On 11/10/21 5:31 PM, Gerhard Hoffmann wrote:
A customer of mine uses Solitane, another one Mupsil.
I just wro
On 11/10/21 5:31 PM, Gerhard Hoffmann wrote:
A customer of mine uses Solitane, another one Mupsil.
I just wrote down the names in case I might need it.
Probably more for coating boards in space apps, no idea
if it fits.
Am 10.11.21 um 23:40 schrieb Richard (Rick) Karlquist:
I am looking for he
A customer of mine uses Solitane, another one Mupsil.
I just wrote down the names in case I might need it.
Probably more for coating boards in space apps, no idea
if it fits.
Am 10.11.21 um 23:40 schrieb Richard (Rick) Karlquist:
I am looking for help choosing a potting compound that
has the fo
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-Original Message-
From: Brooke Clarke via time-nuts
Sent: Wednesday, November 10, 2021 7:37 PM
To: Discussion of precise time and frequency measurement
Cc: Brooke Clarke
Subject: [time-nuts] Re: Potting compound advice needed
Hi Jim:
Be ca
On 11/10/21 4:37 PM, Brooke Clarke via time-nuts wrote:
Hi Jim:
Be careful with RTVs. Some out gas acid that attacks metal, even gold
plated metal. Guess how I know that.
Oh yes.. one definitely needs to read the data sheets.. RTV12 is 2
part. Most 2 part RTVs don't use acid. And the one
Hi Jim:
Be careful with RTVs. Some out gas acid that attacks metal, even gold plated
metal. Guess how I know that.
--
Have Fun,
Brooke Clarke
https://www.PRC68.com
axioms:
1. The extent to which you can fix or improve something will be limited by how
well you understand how it works.
2. Eve
On 11/10/21 2:40 PM, Richard (Rick) Karlquist wrote:
I am looking for help choosing a potting compound that
has the following properties:
1. Good for 5,000VAC @ 1 MHz
2. Low RF losses.
3. Low permittivity is preferred
4. Low tempco of permittivity is a want.
5. Something I can implement in
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