 how to use weld-thru primer |
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| jmitro |
 Feb 12 2016, 11:44 AM
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#1
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Senior Member  Group: Members Posts: 713 Joined: 23-July 15 From: Oklahoma Member No.: 18,986 Region Association: None 
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two questions about using weld thru primer, (assuming that proper usage is spraying primer on the backside of two adjoining pieces so that primer covers the bare metal that cannot be accessed once welding is completed);
1. Do you change the weld settings on the welder? It welds terribly with poor penetration. Or do you grind off the primer from the anticipated weld spot? If so, then it's defeating the purpose of weld-thru primer, is it not? it leaves bare metal. 2. After welding is complete, do you grind off the exposed weld-thru primer and replace it with POR-15 or primer of choice? |
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| 76-914 |
Feb 12 2016, 01:21 PM
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#2
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,507 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California
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Try putting it on a little thinner. It helps.
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| SirAndy |
Feb 12 2016, 01:54 PM
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#3
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Resident German Group: Admin Posts: 41,669 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(76-914 @ Feb 12 2016, 11:21 AM)  Try putting it on a little thinner. It helps. And don't inhale the fumes while welding ... (IMG:style_emoticons/default/icon8.gif) |
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| Elliot Cannon |
Feb 12 2016, 02:45 PM
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#4
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914 Guru Group: Retired Members Posts: 8,487 Joined: 29-December 06 From: Paso Robles Ca. (Central coast) Member No.: 7,407 Region Association: None 
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QUOTE(SirAndy @ Feb 12 2016, 11:54 AM) QUOTE(76-914 @ Feb 12 2016, 11:21 AM) Try putting it on a little thinner. It helps. And don't inhale the fumes while welding ... (IMG:style_emoticons/default/icon8.gif) I have found that inhaling the fumes improves my welding. Who knew? (IMG:style_emoticons/default/av-943.gif) |
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| r_towle |
Feb 12 2016, 03:16 PM
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#5
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Custom Member Group: Members Posts: 24,585 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States
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QUOTE(Elliot Cannon @ Feb 12 2016, 03:45 PM) QUOTE(SirAndy @ Feb 12 2016, 11:54 AM) QUOTE(76-914 @ Feb 12 2016, 11:21 AM) Try putting it on a little thinner. It helps. And don't inhale the fumes while welding ... (IMG:style_emoticons/default/icon8.gif) I have found that inhaling the fumes improves my welding. Who knew? (IMG:style_emoticons/default/av-943.gif) I found that inhaling fumes makes my outlook on everything different. |
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Posts in this topic
jmitro how to use weld-thru primer Feb 12 2016, 11:44 AM
bretth My experience with weld through primer has been th... Feb 12 2016, 12:23 PM doug_b_928 From what I have seen, people spray it on what wil... Feb 12 2016, 02:46 PM Bartlett 914 The fumes are from the zinc in the primer. Burning... Feb 12 2016, 03:21 PM r_towle I spray on the primer, then grind off the spot wel... Feb 12 2016, 03:28 PM Jeff Hail The best method is to coat both pieces that face e... Feb 12 2016, 08:35 PM
914forme
The best method is to coat both pieces that face ... Feb 13 2016, 11:20 AM larryM consider this expert advice
Ron Covell advice
... Feb 12 2016, 10:30 PM jmitro :agree:
no doubt! Thank you so much for all... Feb 13 2016, 11:58 AM DirtyCossack I have some brush on stuff that is the king of spl... Feb 13 2016, 07:43 PM 914forme I use Wurth
Zinc Rich Weld Through Primer
Desc... Feb 13 2016, 07:58 PM |
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