Posted by JRSutton on July 07, 2014 at 17:43:44 from (71.174.108.252):
In Reply to: Rust kill posted by James Williams on July 07, 2014 at 15:38:35:
I've recently been getting a lot lazier in my prep work on cast parts - I'm using more and more of the phosphoric acid and painting right over it.
I used to sandblast everything extensively, but now more often just wire brush instead (in an angle grinder, not a drill!)
Just enough to get rid of what rust/old paint I can with a reasonable effort, but I no longer kill myself trying to get every bit of it. Just hit what's left with acid, it all turns black.
Sometimes I'll repeat the wirebrush/acid step if it's in real rough shape.
Then I'll quickly wire brush again right before painting just to get it all scuffed up and get rid of any built up excess acid residue.
The acid has the added benefit of buying you time. You can brush and spray the acid (I use a spray bottle) and let it sit several days without worrying about more rust.
I usually use epoxy primer.
I can't tell you what the long term results are because I've only started getting lazy with this process fairly recently - but I can tell you it's lasted me a solid year without the slightest hint of trouble...
Time will tell.
I guess it boils down to how much you care about whatever it is you're painting. If you're spraying $500 a gallon paint, then I think it's worth the effort to get all the rust off.
But for most stuff, I figure if I have to repaint in a few years, so be it. Anything I bother painting stays well maintained afterwards, so a future paint job won't be that big of a deal.
We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]
Today's Featured Article - Chores - by Frank Young. The ceaseless passing of time! It is at once our friend and our enemy. It measures our progress and it makes us old. Like most features of our life, few things are all good or all bad, and most such judgments depend on our own perspective or viewpoint. In our particular hobby, we enjoy the nostalgic return to the days of our youth as we recreate many of the scenes that took place on the family farm that served as the stage for the first few acts of the play that is our live
... [Read Article]
Latest Ad:
Sell 1958 Hi-Altitude Massey Fergerson tractor, original condition. three point hitch pto engine, Runs well, photos available upon request
[More Ads]
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy
TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.