Eastwood 16.1 Ounce Aerosol Can of Self Etching Weld Thru Primer.Eastwood's Self Etching Weld Thru Primer combines the benefits of a weld-thru and the capabilities of a traditional Self Etch Primer. This unique formula has organic binders that replace conductive heavy metals such as copper and zinc. These organic binders will burn off during the welding process leaving a corrosion resistant etching primer.
This product will reduce spatter and distortion caused by excessive heat that occurs during the welding process. Compatible with MIG, TIG and Arc welding. The etching primer will enhance adhesion and durability and is compatible with most top coats.
*Apply 2 medium wet coats, allowing 5 minutes flash time between coats.
*Allow to cure at least 20 minutes prior to welding.
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Product ReviewsWrite a review
Eastwood Self Etching Weld Thru Primer 16.1Oz. Aerosol Can is rated out of 5 by 10.
Rated 3 out of 5 by Haskie from Better than nothing Great for getting in areas that get sealed up/overlapped and cant get top coated. It does add to the resistance of the weld, so you'll need a little more voltage. comes right off when you wire brush the slag afterwards though... Also, "self etching" paint is said to conflict with magnetic paints, like Monstaliner. so dont use this if you plan to use magnetic paints....
Date published: 2014-11-10
Rated 5 out of 5 by RonnieC from great product I have used other Eastwood products with great success and decided to try this one. This paint is great! I have used the weld-thru primer for the backside of patches prior to welding and was very pleased with the results. I would like to see Eastwood make smaller sized spray cans to get into hard to reach places.
Date published: 2015-03-03
Rated 1 out of 5 by crookedelk from Lids popped off - 4 Qts gone I bought 4 quarts and it was in the car in the box. Had to go to work for a few months and when I got back to prime and to weld the roof skin and floors in - the lids had popped off or loose and all dried up. Didn't even get to try it. I want my money back - I'll ship the cans back.
Date published: 2015-02-27
Rated 1 out of 5 by Wwiifan from I want my money back! Like others have said. Horrible as a weld thru primer. Takes away the ground path for the welder. CAUSES SPATTER. is good for stuff u can't access later, but u might as well save some money and use a normal primer and just remove where u r going to weld
Date published: 2015-01-02
Rated 4 out of 5 by JPerk from Great Product--for a price Works exactly as intended. Make sure to shake well before using and there will be no problem with not having enough propellant. Get this stuff when it's on sale.
Date published: 2015-04-17
Rated 5 out of 5 by Kaiser J from Self etching weld-thru primer The product does what it says and more, the zinc chemical also stops the surface rust which is a added bonus. Great buy !
Date published: 2015-02-02
Rated 1 out of 5 by MADTRUCKER from Poor Product Nozzle plugs up every few seconds. Have to keep blowing the nozzle out with air. Will not order this product again.
Date published: 2014-12-11
Rated 5 out of 5 by chuckels from Easy It is easy to use, sprays on nice, welds through nice no problems when welding
Date published: 2014-12-13
will this work with electrical connections?
It's not really meant to be in contact with electrical connectors. Mask that area off.
Date published: 2015-02-13