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metal etching solution vs turco

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(@spyghost)
Posts: 321
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Topic starter
 

are those two different?

 
Posted : 14/10/2009 3:59 pm
(@chemical-brother)
Posts: 12
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Re: metal etching solution vs turco

Metal etching solution and Turco. Turco is a rust converter which is mainly phosphoric acid. Metal etching solution could be mainly hydrochloric acid or could be nitric.

 
Posted : 14/10/2009 5:33 pm
(@spyghost)
Posts: 321
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Re: metal etching solution vs turco

which is better for metal surface preparation prior to application of epoxy primer?

 
Posted : 14/10/2009 6:43 pm
(@chemical-brother)
Posts: 12
Active Member
 

Re: metal etching solution vs turco

Well, if you're painting metal --
1. Use a rust converter first. Make sure to wash off any residue prior to painting on.
-- for rust converters, if you're in a rush, there's a brand that works in just minutes. The traditional rust converters you see in the market are kinda slow. I remember our metal workers in our factory before leaving metal bars soaked in rust converter (overnight?).

2. For metal primer, in case you want a long-lasting coat, I suggest that you go for an epoxy-based primer -- a lot better in preventing rust.

Hope my insight helped.

 
Posted : 17/10/2009 2:01 pm
(@angelo)
Posts: 40
Eminent Member
 

Re: metal etching solution vs turco

How about repainting home steel trusses? Any best recommendation /steps in repainting? Our house is made up of steel trusses and there are some rusts on the steels. And I want to repaint it. Any best kind of paint for repainting, any brand?

Phils. Exam Resuts - www.examresultsph.com

 
Posted : 17/10/2009 11:41 pm
(@spyghost)
Posts: 321
Reputable Member
Topic starter
 

Re: metal etching solution vs turco

Well, if you're painting metal --
1. Use a rust converter first. Make sure to wash off any residue prior to painting on.
-- for rust converters, if you're in a rush, there's a brand that works in just minutes. The traditional rust converters you see in the market are kinda slow. I remember our metal workers in our factory before leaving metal bars soaked in rust converter (overnight?).

2. For metal primer, in case you want a long-lasting coat, I suggest that you go for an epoxy-based primer -- a lot better in preventing rust.

Hope my insight helped.

may i know this fast rust converter? the only rust converter that i know of is turco.

 
Posted : 18/10/2009 7:06 am
(@chemical-brother)
Posts: 12
Active Member
 

Re: metal etching solution vs turco

How about repainting home steel trusses? Any best recommendation /steps in repainting? Our house is made up of steel trusses and there are some rusts on the steels. And I want to repaint it. Any best kind of paint for repainting, any brand?

1. For repainting, it's advisable that you remove the previous coating first. However there will be some other considerations:

  • If the previous coat is epoxy-based and it's still adhering properly, you can paint over it directly.
  • Remove loose rust scales, a rust converter can do this.

2. For steel, I would recommend that you use an epoxy primer for painting. I'll recommend a brand used on marine vessels. You can try looking for the Cord brand.

 
Posted : 20/10/2009 10:22 am
(@chemical-brother)
Posts: 12
Active Member
 

Re: metal etching solution vs turco

may i know this fast rust converter? the only rust converter that i know of is turco.

If you're in the metro area, the brand I know of is in Handyman. It's called Turbo.

 
Posted : 20/10/2009 10:23 am
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