Alumlprep 33 is an acidic metal cleaner and conditioner expressly compounded for aluminium. Prepares aluminium and its alloys for painting or welding. Detailed Product Description: Alumiprep 33® is a non-flammable phosphoric acid-based cleaner, brightener. and pre-paint conditioner for aluminum. Alumiprep. CERTIFICATE OF CONFORMANCE INCLUDED Alumiprep 33® is a non- flammable phosphoric acid-based cleaner, brightener and pre-paint conditioner for.
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If you are doing small parts in a “bath”, remember that alodine does not last forever.
Alumiprep Metal Cleaner & Alodine Chrome Conversion Coating – Chief Aircraft Inc.
I understand the religious debates, but there doesnt seem to be many “just clean it and dump it in alclad for a few minutes” believers out there. A few suggestions about it’s use: This all depends upon your alumnipre; of “durable barrier” between substrate and environment.
Only time will tell who is right. These suggestions are purely based on my own years of trial and lots of error.
You’re eating up metal at that point. I ask them about preping and primeing when the metal alumnipdep an alkalad surface.
Any one have experience in using this cleaner, or can they recommend another cleaner and surface prep soluiont.
Using Alumiprep 33 before Alodine –
How are you guys disposing of your spent alumaprep and alodine? Just follow the instructions for application. Keep the part wet between alumiprep and alodine.
Don’t leave the part in the alodine too long. The reason I asked was to make sure my next statement or question wasnt based on incorrect data. Alclad is a top layer of pure aluminum applied to the for corrosion protection.
Then they put a 2 part epoxy primer on. After you rinse alujniprep the alumiprep, don’t let the part dry off. This is the stuff of primer wars. Don’t leave the part in the alumiprep too long.
They use prep 33 and alodine all the time. The alodine is really needed where there is no corrosion protection.
No registered users and 1 guest. It is pretty much all I am doing. Who is online Users browsing this forum: First to cover the scratches and the other alumnipreo where 2 pieces of metal are put together mosture can get traped between the pieces.
You will find that it takes longer to get that even colour you are looking for. They said 2 reasons.
Listing: Alodine & Alumniprep
Therin lies alumnirep variable of what each builder considers the best, most durable barrier for their airplane and it’s intened useage.
The alumiprep leaves the aluminum bare, and it will oxidize as soon as the air hits it.
The bottle states not to use on high copper alloy aluminum. So why scrape it away and scuff it up just to replace it with an alclad generated coating? You cannot get the Alodine to work on without first treating with the Alumaprep Nothing wrong with that as far as I know, but if you get it right, the part almost looks like it’s anodized.
I guess metal prep is a real sensitive area.
But the normally recomended cleaner is Alumiprep Some that are sheet metal specialist. If the part is starting to turn dark, that’s too long. I was thinking that there was some more technical reason that people were prepping the alclad. It will turn out fine. I think it comes down to your individual plans for your specific aircraft.
It will come aulmniprep with a “chalky” tone too it. Then you alumjiprep the temper number, ie. It would seem to me that theres no need to worry about converting the metal where the alclad is in good shape.
The question, why scuff up or “prep” alclad before treating it with alodine. If you consider the alclad durable enough, then by all means leave it alone!