What to Spray on the Bottom of Relay Board, Cleaned and Tested Ready to coat |
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What to Spray on the Bottom of Relay Board, Cleaned and Tested Ready to coat |
914Sixer |
Jan 17 2009, 06:38 PM
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#1
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914 Guru Group: Members Posts: 8,906 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region |
What type of sealer should I use on the bottom of these?
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Katmanken |
Jan 18 2009, 11:38 AM
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#2
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You haven't seen me if anybody asks... Group: Members Posts: 4,738 Joined: 14-June 03 From: USA Member No.: 819 Region Association: Upper MidWest |
What you want is what the electrical guys call "potting compound". Comes in silicone and epoxy and is used to "pot" or seal electrical components. Comes in conducting and nonconducting. We want nonconducting.
Some types have a self leveling feature (low viscoscity) so it will ooze across the board and create a level pool. This is what we want. Potting compounds used to be silicone, but epoxies are used a lot now. To my way of thinking, this is a 30 year old car and the potting compound may need to be removed later for another fix. Silicone is much easier to dig out than epoxy, so I would suggest silicone. Searching silicone potting compound prices turned up this linky for $18 a tube. Linky fixed Ken |
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