Electronics Forum: 3145 (Page 1 of 2)

Corrosion due to RTV adhesive

Electronics Forum | Mon Feb 11 17:07:07 EST 2008 | blnorman

3145 is methoxy cure, so the cure by product is methanol.

Coating under Mil connector....

Electronics Forum | Wed Jan 04 10:33:34 EST 2006 | jdumont

Dow 3145 or 3140 is exactly what I was going to use on these connectors. Our requirement is to protect every solder joint in our product basically. This connector, being power input and signal out all in one is very important and needs to be protecte

Used circut bords / chips//pc compoints

Electronics Forum | Tue Aug 29 10:22:12 EDT 2000 | klawlor218

Is there a market for these old pc parts? Anyone know buyers in the pc-recycle business? All names welcome. (USA)

Re: RTV Cure Questions

Electronics Forum | Fri Jun 23 14:23:20 EDT 2000 | Brian W.

We used to cure RTV3145 in an oven at 180 F for 2-4 hours Hope this helps, Brian

Re: patchproblem lifted lead

Electronics Forum | Tue Nov 30 18:33:05 EST 1999 | Brian W.

I have used Loctite, RTV3145, or Tak-Pak to secure the wire. As John said, the wire is usually secured to the board near the lifted lead, and usually at 1/4 inch intervals along the way. Brian W.

Conformal Coating

Electronics Forum | Fri Nov 04 07:28:31 EDT 2011 | duso02

2577 is basically a thinned a RTV so there really isn't a gel version. You can use an RTV like 3145 first or apply un-thinned 2577 by hand around the base of the connectors prior to the spray step.

RTV Cure Questions

Electronics Forum | Thu Jun 22 09:31:21 EDT 2000 | Rich Ziebell

All, Can anyone point me in the right direction for (sources of info) various ways to quickly cure RTV or atleast speed up the process. Our requirements are to use Dow Corning 3145 hi-temp RTV. I have tried contacting the manufacturer but am losing

Laying down and holding large components

Electronics Forum | Thu May 22 18:47:12 EDT 2003 | russ

I would assume we are talking about a radial leaded electrolytic cap? We use Electronic grade RTV (Dow corning 3145). It sticks good and can be removed if necessary. It is also pliable so you don't have to worry about CTE or other stresses that may

Mixing conformal coating and RTV

Electronics Forum | Thu Apr 28 11:14:27 EDT 2005 | bbarr

If you apply the RTV after coating, what happens to bond strength since you are now bonding to the coating and not the board? Will the caps still survive vibration and shock? I specify applying RTV before coating for this reason. Am I correct? I als

Corrosion due to RTV adhesive

Electronics Forum | Fri Feb 08 06:26:03 EST 2008 | jdumont

Hey that was me way back! Anyways, use Dow 3140 (self leveling) or Dow 3145 (peanut butter consistency) and call it a day. No out gassing/acidic properties. 3140 also contains a UV tracer for black light inspection. Any tall caps should be epoxied if

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