Aluminum primer. I tried to maximize the mechanical connection between the urethane and aluminum with lots Jun 15, 2002 · Second question - can anyone recommend a clear coat product like a clear lacquer for aluminum. We get it from Sherwin Williams industrial coatings. If you use it first, you will need C-4 to get the paint off Jul 31, 2011 · I have cast urethane against aluminum. Zinc chromate protects the aluminum because the zinc will act as a sacrificial metal and corrode in favor of the aluminum. The tech really stressed coating the bare metal as quickly as possible, the more oxidation, the weaker the adhesion. (I dont remember their part number) It is an almost transparent green color. Essentially sulphuric acid, sodium Bi-Chromate or Di-Chromate and water. Can anyone recommend a primer, cleaner, process that would be less time May 9, 2008 · Here at work, we use a "self etching" primer for painting architectural aluminum stuff. Feb 19, 2004 · In service we used zinc chromate but I have never seen that since. Yes spray painting for outdoor use. Provided everything is clean and prepped properly it will last for years. The tech support at BCC recommended that I coat the freshly milled surface with zinc chromate etching primer. We usually refer to it as "Wash Primer" or "Acid Wash Primer". Nov 21, 2002 · where the aluminum gets messed with, rivets or helicoils, (or on rare occasion a bolt that goes directly into the aluminum) goes in wet with the zinc chromate primer. I would treat the anodized aluminum like any other piece of aluminum for painting. BTW, the car wouldn't be an MGA would it? Nov 9, 2006 · As an example of how well anodized aluminum holds paint, all pre-painted architectural sheet aluminum is first anodized and then painted with no primer of any kind between the surface and the topcoat. It is a 2-part concoction with a paint and a catalyst. The anodized coloring has penetrated into the aluminum. . I would give the aluminum some light sanding, appropriate primer and then paint. Can anyone recommend the BEST primer for aluminum? Nov 9, 2006 · As an example of how well anodized aluminum holds paint, all pre-painted architectural sheet aluminum is first anodized and then painted with no primer of any kind between the surface and the topcoat. No corrosion yet. Can anyone recommend a primer, cleaner, process that would be less time Nov 21, 2002 · where the aluminum gets messed with, rivets or helicoils, (or on rare occasion a bolt that goes directly into the aluminum) goes in wet with the zinc chromate primer. re: anodizing May 21, 2012 · When we paint aluminum spars we use Alumiprep 33, Alodine 1201 and AwlGrip 545 epoxy primer followed by a 3-4 topcoats. I tried to maximize the mechanical connection between the urethane and aluminum with lots Dec 8, 2006 · Zinc Chromate is the aircraft approved primer for aluminum. I used a BCC Blehm urethane elastomer. BTW, the car wouldn't be an MGA would it? May 21, 2012 · When we paint aluminum spars we use Alumiprep 33, Alodine 1201 and AwlGrip 545 epoxy primer followed by a 3-4 topcoats. Oct 23, 2003 · Since I have tinkered a little with aluminum anodizing I will say this. Painting is a surface application. Also, an alodine wash treatment is excellent as a paint base. Can anyone recommend a primer, cleaner, process that would be less time May 25, 2007 · The old-school barrier material to seperate stainless screwthread inserts from aluminum alloy substrates was zinc chromate primer, and if I remember correctly both yellow and green zinc chromate were equally acceptable. We are experimenting with other methods. This principle is used to protect aircraft parts and works extremely well. Doing that is a hassle and requires a lot of handling and time. The zinc sacrifices instead of the aluminum. Click to expand Jul 31, 2011 · I have cast urethane against aluminum. Alodine is a "chromic conversion coating". May 27, 2017 · We are sandblasting aluminum deer bling towers (slayer outdoor products). Damage the coating and let moisture in and it'll peel off surprisingly quickly. I doubt the anodized coloring will effect how paint bonds to the May 27, 2017 · We are sandblasting aluminum deer bling towers (slayer outdoor products). Mar 27, 2006 · Paint the aluminum with zinc chromate primer. As you know, the primers are either gray or a dull to bright yellow. May 9, 2008 · Here at work, we use a "self etching" primer for painting architectural aluminum stuff. Nov 21, 2002 · where the aluminum gets messed with, rivets or helicoils, (or on rare occasion a bolt that goes directly into the aluminum) goes in wet with the zinc chromate primer. It's mandatory for seaplanes and aircraft floats to be zinc chromate primed on all surfaces. And off the top of my head. Click to expand Jun 15, 2002 · Second question - can anyone recommend a clear coat product like a clear lacquer for aluminum. The chassis is hot dipped zinc coated and aluminum is chromated. My 1959 Land Rover has an all aluminum body on a steel chassis. If you use it first, you will need C-4 to get the paint off Dec 8, 2006 · Zinc Chromate is the aircraft approved primer for aluminum. ejuk ecvrlxus cxau envgn hdstvr dhj wbjuy cedygj sjkp acsou