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Rust-Proofing Process: Zinc Primer and Wet Paint

7:12
20:12
16.9K views

At 7:12 in

HARD test at SOUTHLAND trailers 4K

What happens here

The discussion moves to the rust-proofing process. The representative explains that their steel trailers are first zinc-primed, a technique derived from naval applications to prevent rust on ships. This zinc coating actively 'eats up' and prevents rust, even if the paint is scratched down to bare steel. After the zinc primer, a PPG wet paint is applied. This process ensures the trailers are rust-proof for life, providing superior durability compared to unprimed or powder-coated alternatives.

Goal: Learn about the advanced rust-proofing techniques used in trailer manufacturing.

Tools and materials

  • PPG Wet Paint PPG — The final protective and aesthetic coating
  • Zinc Primer — Providing an active rust-inhibiting base coat

What they say

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you guys put that all over your boats you cover them up in Battleship Gray and sink them in the ocean don't sink them in the ocean okay sorry float them in the ocean there we go that's where we came that's your invention you guys pulled that together you perfected that whole process of how do I make an iron ship rust proof and that's what you use on your trailers if if people want that and they and we do put it on our commercial grade I mean that's just the way it works but if people say I need this thing to be rustproof I'm investing a lot of money we'll make it rust proof no you just got to make them in Battleship Gray we can do that what are we looking at here Trevor Stan this is our main rail the way the trailer starts everything that we just saw our trailers doing this is where it starts engineered from the bottom up this is a 53 point step this is a 53 ft flat and back there are 26t and 28 ft goose neck trailers it's exactly the same process in what you see in a highway transport as you see in our equipment trailer the high 10y steel welded on both sides continuous robotic weld on both sides a pierced Beam for the I beam the high ttile I beams to pass right through the main rail keeping our deck height lower and adding a lot more rigidity the same thing on a 53t

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