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Restoring Corten Steel: BROMOCO CT-7571 in Action

  • Writer: Song
    Song
  • 5 days ago
  • 1 min read

Corten steel’s signature rust patina is both beautiful and protective, but graze, abrasion, or sanding can easily strip it away. BROMOCO CT-7571, a high-performance coating, offers a remarkably simple and effective solution to restore the weathered look in minutes.


We will now demonstrate this process to you. It begins with a raw, fully rusted Corten steel panel—its natural protective layer intact. Then creating some deep scars and bright metal exposure on it. To simulate real-world wear, the surface is deliberately sanded with P80 abrasive paper.

abrasive paper used to sand Corten steel surface prior to applying BROMOCO CT7571 coating
BROMOCO CT7571 weathering steel coating demonstration - original Corten steel plate with natural uniform rust patina before repair

Hand sanding rusted weathering steel plate with P80 sandpaper to simulate real-world damage - BROMOCO CT7571 before and after demo

Corten steel plate after heavy abrasion with P80 grit showing bright metal scratches and scars

XL-08 accelerator is then spotted onto the abraded zones, instantly triggering a vigorous foaming reaction that develops an authentic weathered rust layer within days.

Instant foaming rust reaction on abraded Corten steel using XL-08 accelerator - rapid patina step in BROMOCO CT7571 repair process
Close-up of rapid rusting reaction on damaged weathering steel plate after XL-08 treatment

After rapid grinding to level the surface, a thin, even coat of BROMOCO CT-7571-W is then applied with a small roller. The water-based formula goes on smoothly and dries quickly.

Restored Corten steel plate beside used P80 sandpaper after BROMOCO CT7571 coating application
Small paint roller applying BROMOCO CT7571-W water-based weathering steel coating to repaired Corten plate

Once dry, the treated area seamlessly returns to the exact appearance of the untouched original rust patina—rich brown tones, natural texture, and all.

fully restored original rust patina after one coat of BROMOCO CT-7571-W Corten coating

This before-and-after sequence demonstrates the coating’s outstanding restorative power:

before-and-after demonstrates the BROMOCO CT-7571 coating’s restorative power

It doesn’t just cover damage—it actively recreates the authentic Corten aesthetic while adding long-term protection. Ideal for architectural details, sculptures, furniture, or any Corten surface that has seen wear, BROMOCO CT-7571 makes maintenance effortless and results stunning.


One product, one coat, and the timeless beauty of Corten steel is fully restored.

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