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POR-15

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Alan

02-05-2002 18:49:58

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I have read the archieves on using POR-15 as a rust preventer but I am confused about one thing ...Their website says that it works great on seasoned or rusted metal without the need to remove all the rust from the metal...yet all of the posts that I have read indicate that they have sandblasted,wirewheeled all of the rust off etc and then used POR-15...I have some original sheet metal for my Jube that has surface rust (no real bad pitting) and some of the original paint still there...Question is has anyone applied the POR-15 directly on rusted metal with any success...It seems to me if I don't need to put the amount of effort into removing all the rust and still have good results Then I can apply my efforts on something else(otherwise known as being lazy)...any opinions greatly appreciated...thanks...Alan

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BC Mike C

02-06-2002 11:05:55

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Re: POR-15 in reply to Alan, 02-05-2002 18:49:58

Alan, I have this stuff on the keel and hull of my boat. So do many others. Some have tried applying without the metal being shiny or without the metal primer. If you do go to shiny metal I would suggest you use the metal prep. If you just paint over whatever is there you probably do not need it. I painted the box of my 78 Chev and it works fine as others have described. BC Mike C and Herb 9N. caslingm@silk.net

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Niel Young said it best:

02-06-2002 03:19:39

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Re: POR-15 in reply to Alan, 02-05-2002 18:49:58

"Rust Never Sleeps" -Niel Young

If you don't want to put any elbow grease and time into rust temoval, you may want to consider using a zinc phosphate solution on the rust and metal before applying the POR. I believe their material is called Metal Ready. Wash the grease and dirt with a low grade (non oil residue) thinner, zip on the Metal Ready according to instructions, and apply POR 15 with a sponge brush or spray it on. It levels out really nice. If it is exposed to sunlight it starts to yellow. Rugged tuff stuff...and if you choose to paint it, I've had best luck spraying paint on it whie it was tacky. Seems to glue the paint to the POR best that way.

For all my outdoor tractor parts and implements, I apply POR 15 inside and out . I want to make sure the work and time I put into it will last a long time...cuz my free time is becoming a rarer commidity and I hate to have to re-do things later.

good luck. 9N'er

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Dave Smith

02-06-2002 03:48:04

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Re: Re: POR-15 in reply to Niel Young said it best:, 02-06-2002 03:19:39

My 8N was the first I worked with Por 15. I had the question in my small mind when I was doing it how well other paints would stick to it. Being as it is so hard I also wondered about how well it would hold up to chipping. Ill know in another 50 years.
Dave <*)))><

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9N'er

02-06-2002 05:32:57

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Re: Re: Re: POR-15 in reply to Dave Smith, 02-06-2002 03:48:04

Dave:

Can you give me a full report in 50 years? I have a good memeory. As long as you don't change e-mail addresses, I'll zip off a note to you...to see if it chippped over the past 50 years.

Maybe, a log book will help track and monitor the chipping dates, size of chips, location of the chip and how it was chipped.

Good luck. 9N'er

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Don, Luling LA

02-06-2002 00:43:29

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Re: POR-15 in reply to Alan, 02-05-2002 18:49:58

I am not as familiar with the POR-15 as I am with other rust inhibitors, but know that they actually stabilize the rust so that it won't grow any more, so removal of rust isn't necessary, unless it's really scaled up. I have used quite a few of of the other brands with great success on lightly rusted metal and some more heavly rusted stuff, it works as long as you get rid of the scale. Now as far as sandblasting the metal prior to using the POR-15. If I really wanted to make a show quality tractor I would sandblast. The reason being, rust is of course rough and would make the paint also look rough when finished. Now if you just want to make the metal last and aren't as concerned about show quality then you can just go with the rust inhibitor and top coat it. One thing, if you decide to later make a show quality tractor, you can just put the sandblaster to it then and go for it.
Good luck

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David (TX)

02-05-2002 20:11:44

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Re: POR-15 in reply to Alan, 02-05-2002 18:49:58

Alan,
I applied POR15 to my son's old rusted Radio Flyer wagon about 6 years ago. The wagon was not rusted all the way through, but it was pretty bad in spots. The stuff dried hard as concrete and I re-applied a fresh coat of red paint a few days later. After 6 years of being left outside, the wagon shows no signs of rust anywhere. Hope it works as well for you.

Dave

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Dave Smith

02-05-2002 19:40:54

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Re: POR-15 in reply to Alan, 02-05-2002 18:49:58

I used Por 15 on the inside of my hood after I removed the inner frame and sandblasted it. I think the more rust you remove the better. I read quite a fiew articles on it in car restoring magazines and read nothing bad about it. It is not a paint like we usually think of. It smells diffrent. Gas, thinner, lacqer thinner will not touch it. If you get it on you're self it has to wear off. Use a disposble brush. It dries fast,and seems to be harder than paint. The can says it must be top coated if exposed to light. (UV sensetive) It is expensive but goes a long way. Dave <*)))><

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Andy - Hammond, LA

02-05-2002 19:11:39

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Re: POR-15 in reply to Alan, 02-05-2002 18:49:58

Promises, Promises...

I truly believe that the process of oxidation can only be limited by the removal of as much existing surface damage as possible. Oxidation is a destroying process that happens to anything in an oxygen environment. So I believe that if rust is in full swing on your metal, the best best is to remove as much of the active agents as you can.

I guess you could just blast some RP on the surface and it will help retard the future development of oxidation, but it is all only as good as how much rust damage is existing on the object in the first place.

So I guess it would work but I think the guys here believe the job worth doing, is a job worth doing right the first time. But heck in a pinch and if there is no serious pitting --- you might be able to spray and go.

Good luck,
Andy

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Andy Sent You an E-Mail See if you got it: Don Luling LA

02-06-2002 00:48:19

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Re: Re: POR-15 in reply to Andy - Hammond, LA, 02-05-2002 19:11:39

Andy sent you a mail yesterday, make sure you got it, if not let me know I may have messed up the address, I will try again.
Thanks,
Don

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