 JB Weld on Por 15, Stick?? |
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| AvalonFal |
  Sep 12 2008, 12:57 PM
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#1
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Member  Group: Members Posts: 483 Joined: 3-July 05 From: Southern New Jersey Coast Member No.: 4,367 Region Association: MidAtlantic Region  |
Getting ready to JB Weld a few nuts on a Por 15 treated surface and I'm wondering how well the JB will stick to the Por 15. Anybody have any experience or thoughts??
Paul |
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| Mark Henry |
Sep 12 2008, 01:48 PM
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
QUOTE(AvalonFal @ Sep 12 2008, 02:57 PM)  Getting ready to JB Weld a few nuts on a Por 15 treated surface and I'm wondering how well the JB will stick to the Por 15. Anybody have any experience or thoughts?? Paul Yes I have a few thoughts and #1 is why would you do this? |
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| AvalonFal |
Sep 12 2008, 02:18 PM
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#3
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Member Group: Members Posts: 483 Joined: 3-July 05 From: Southern New Jersey Coast Member No.: 4,367 Region Association: MidAtlantic Region |
QUOTE(Mark Henry @ Sep 12 2008, 03:48 PM) Yes I have a few thoughts and #1 is why would you do this? It's to reset a broken captured nut under the dash frame that a wrench can't get to without moving a lot of wiring and switches, but I can get my fingers to. Thought I'd just set it into some JB to keep it from spinning when tightening/loosening. Now, does anybody have any experiences with JB holding on Por?? Paul |
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| scrz914 |
Sep 12 2008, 02:37 PM
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#4
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Member Group: Members Posts: 397 Joined: 21-April 04 From: Santa Cruz, CA Member No.: 1,960 Region Association: Central California |
No, you're probably the first.
However, I'm sure the folks at POR-15 would say to just rough up the surface before applying anything. That's what they always tell me when I ask if I can apply second coat, top coat, etc. Will it work well?...50/50 chance. |
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| Eric_Shea |
Sep 12 2008, 02:38 PM
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#5
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PMB Performance Group: Admin Posts: 19,278 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains  |
Good idea Paul.
JB Weld is awesome. No experience that I can think of (IMG:style_emoticons/default/idea.gif) Can you get your fingers in there and sand it down? |
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| Katmanken |
Sep 13 2008, 01:31 PM
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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 |
When building aircraft structures, the sequence is glue first, paint second.
Why? Because your glue joint is no better that the surface the glue sticks to. A JB weld of metal to metal may take a bazillion pounds of load without failure, but I bet the metal to JB to POR to metal bond is WAY less in terms of load. And, POR does bubble and lift when coated by other materials so your Epoxy based JB may eat the POR paint making for a really crappy bond..... Try it and see. JB formuation may be different enough to not affect the POR. Ken |
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