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FAQ » Rust & Corrosion Protection

 
RUST & CORROSION PROTECTION
What is the difference between Rust Shield, Rust Mort and Rust Seal?
     - The main difference between Rust Mort and Rust Seal is that Rust 
      Mort
 must be top coated and Rust Seal may be left exposed. Both will 
        neutralize and convert the rust to a permanent protective coating. Rust 
      Shield
is a rust and corrosion control coating available in 14 different 
        colors that can be intermixed. Rust Shield may be brushed, rolled, or 
        sprayed. 38008 Hardener and Gloss Enhancer may be added to 
      Rust Shield
to increase the durability and add gloss.


I painted the frame of my vehicle with Rust Shield and now I want to top coat it. How long do I need to wait?
      - While we don’t recommend this practice, as long as Rust Shield has fully 
        cured (3-7 days), it can be sanded and top coated. If the hardener has 
        been added to the Rust Shield, it cures quicker and may be sanded and 
        top coated when it is dry to the touch. Again, we discourage sanding and 
        top coating Rust Shield as it is a finish coat and not a primer. If you have 
        already applied the Rust Shield and intend on painting over, it must be 
        fully cured and it isn’t recommended. 

If you have further questions please contact our technical department at technical@semproducts.com.

 

 

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