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kenryan
Joined: 20 Oct 2009
Posts: 426
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 Posted: Tue Jun 16, 2015 9:54 am Post subject: D-Sub connector grease |
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Is there a recommended grease or other compound to use on D-Sub connectors to offer some protection from moisture?
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ARGOLDMAN(at)aol.com
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| Posted: Tue Jun 16, 2015 10:14 am Post subject: D-Sub connector grease |
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just google anti-oxidation grease you will see many there.
I use a product called, I believe Oxy-ban, however I don't know if it is still available. I got mine from a friend EE, now diseased. I don't know if there is really any difference between the various brands.
Your Sub-ds should be gold contacted. Use the material sparingly as excess will attract dust etc. I use this goo on all of my contacts. I have several non-gold contact connectors (Molex) for which I think this stuff is a must to prevent corrosion and future problems.
Rich
In a message dated 6/16/2015 12:55:34 P.M. Central Daylight Time, keninalaska(at)gmail.com writes:
| Quote: | Is there a recommended grease or other compound to use on D-Sub connectors to offer some protection from moisture?
| Quote: |
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ngeorge(at)continentalmot
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| Posted: Tue Jun 16, 2015 10:17 am Post subject: D-Sub connector grease |
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Dow Corning #4 Dielectric Grease.
Permatex has their own version...
Neal George Sent from my iPhone
On Jun 16, 2015, at 12:57 PM, Ken Ryan <keninalaska(at)gmail.com (keninalaska(at)gmail.com)> wrote:
[quote] Is there a recommended grease or other compound to use on D-Sub connectors to offer some protection from moisture?
| Quote: |
ist">http://www.matronics.com/Navigator?AeroElectric-List
ics.com
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ARGOLDMAN(at)aol.com
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| Posted: Tue Jun 16, 2015 10:19 am Post subject: D-Sub connector grease |
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HOWEVER looking further, I found that there are both conductive and dielectric compounds. I would suggest against the conductive type in the sub-ds because of the possibility of shorting out closely spaced contacts. The molex ones, however-- perhaps not. I am sticking with the non-conductive dielectric type, however for safety.
Rich (again)
In a message dated 6/16/2015 12:55:34 P.M. Central Daylight Time, keninalaska(at)gmail.com writes:
| Quote: | Is there a recommended grease or other compound to use on D-Sub connectors to offer some protection from moisture?
| Quote: |
====================================
List href="http://www.matronics.com/Navigator?AeroElectric-List">http://www.matronics.com/Navigator?AeroElectric-List
====================================
ms.matronics.com/">http://forums.matronics.com
====================================
tp://www.matronics.com/contribution">http://www.matronics.com/contribution
====================================
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[quote][b]
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nuckolls.bob(at)aeroelect
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| Posted: Thu Jun 18, 2015 9:52 am Post subject: D-Sub connector grease |
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At 01:18 PM 6/16/2015, you wrote:
| Quote: | HOWEVER looking further, I found that there are both conductive and dielectric compounds. I would suggest against the conductive type in the sub-ds because of the possibility of shorting out closely spaced contacts. The molex ones, however-- perhaps not. I am sticking with the non-conductive dielectric type, however for safety.
Rich (again)
In a message dated 6/16/2015 12:55:34 P.M. Central Daylight Time, keninalaska(at)gmail.com writes:
Is there a recommended grease or other compound to use on D-Sub connectors to offer some protection from moisture? |
The D-sub series of connectors, while available with the
best of mil-qualified pins, is not classified as an
'environmental' connector. This means that while the
pins may be golden, the housing is not rated for the
usual nasties . . . oil, water, grease, hydraulic
fluid, etc.
There are versions of the d-sub connector qualified
for space-travel but in a relatively contaminant free
application. In aviation, this means a space shared with
humans.
There is a family of magic elixers and uckum-yuckies
intended to shield various devices from the ravages
of unfriendly contaminants. But the guaranteed process
is to avoid installations at risk for such contaminants.
Any silicone grease (DC-4, silicone ignition harness
treatments, etc) can be brushed onto male pins to forestall
the effects of moisture laden contaminants but I've never
had occasion to use them in 50+ years. I do use DC-4 stuffed
into coax connectors exposed to the weather . . . but that's
about it.
I can tell you that numerous hopeful suppliers have proweld
the halls of engineering at Beech, Cessna and Learjet to
extol the virtues of their particular elixer . . . and
to my knowledge, not one has ever made it into our
catalog of useful and approved processes.
Bob . . . [quote][b]
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kenryan
Joined: 20 Oct 2009
Posts: 426
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| Posted: Thu Jun 18, 2015 10:21 am Post subject: D-Sub connector grease |
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Thanks. I guess I will just use a little dielectric grease as a "just in case."
On Thu, Jun 18, 2015 at 9:51 AM, Robert L. Nuckolls, III <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:
[quote] At 01:18 PM 6/16/2015, you wrote:
| Quote: | HOWEVER looking further, I found that there are both conductive and dielectric compounds. I would suggest against the conductive type in the sub-ds because of the possibility of shorting out closely spaced contacts. The molex ones, however-- perhaps not. I am sticking with the non-conductive dielectric type, however for safety.
Â
Rich (again)
Â
In a message dated 6/16/2015 12:55:34 P.M. Central Daylight Time, keninalaska(at)gmail.com (keninalaska(at)gmail.com) writes:
Is there a recommended grease or other compound to use on D-Sub connectors to offer some protection from moisture? |
 The D-sub series of connectors, while available with the
 best of mil-qualified pins, is not classified as an
 'environmental' connector. This means that while the
 pins may be golden, the housing is not rated for the
 usual nasties . . . oil, water, grease, hydraulic
 fluid, etc.
 There are versions of the d-sub connector qualified
 for space-travel but in a relatively contaminant free
 application. In aviation, this means a space shared with
 humans.
 There is a family of magic elixers and uckum-yuckies
 intended to shield various devices from the ravages
 of unfriendly contaminants. But the guaranteed process
 is to avoid installations at risk for such contaminants.
 Any silicone grease (DC-4, silicone ignition harness
 treatments, etc) can be brushed onto male pins to forestall
 the effects of moisture laden contaminants but I've never
 had occasion to use them in 50+ years. I do use DC-4 stuffed
 into coax connectors exposed to the weather . . . but that's
 about it.
 I can tell you that numerous hopeful suppliers have proweld
 the halls of engineering at Beech, Cessna and Learjet to
 extol the virtues of their particular elixer . . . and
 to my knowledge, not one has ever made it into our
 catalog of useful and approved processes.
 Bob . . . | Quote: |
ist" target="_blank">http://www.matronics.com/Navigator?AeroElectric-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
|
[b]
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