Dave,

We currently use Dow Corning 737 Neutral cure RTV for bonding many large
components, capacitors, inductors, etc., to circuit boards and chassis
parts.

The acetal cure of many RTVs stinks, but more importantly is the fact
that it creates acetic acid as it cures which can etch bare copper...
that could be bad.  The neutral cure stuff has little of no discernable
odor.

I'm sure GE makes a competitive product.

Phil

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Roach, David
Sent: Monday, December 20, 2004 11:15 AM
To: [log in to unmask]
Subject: Re: [TN] RTV potting materials

We currently use an alcohol-based RTV silicone (Dow 3145) to adhere some
tall through-hole capacitors to the PCB to improve vibration resistance.
Is
anyone aware of any water-based RTV silicones that are PCB firendly that
would work as well and not have the odor while curing?

Dave Roach
Trane Controls
St. Paul, Minnesota

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