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Blast, Prep, Coat, Cure … and No Repeat
Case Study
Abrasive blasting is a critical first step in preparing trailer components and equipment for coating. It removes scale, rust, and heavy contamination while creating the surface profile necessary for coating adhesion. However, blasting alone does not complete the surface preparation process. Residual blasting media, embedded soils, and surface oxidation can quickly lead to flash rust if parts sit before coating.
When flash rust develops between blasting and coating, adhesion performance can be compromised. The result may include premature coating failure, reduced corrosion resistance, and rework that impacts production schedules and customer satisfaction.
This case study examines how improved post-blast cleaning and pretreatment stabilized the surface prior to coating. By implementing a phosphate-free, no-rinse pretreatment with Clean & Bond 2086, the manufacturer was able to remove residual contamination while providing enhanced bonding characteristics across multiple metal substrates.
To further improve corrosion resistance and coating receptivity, Eco Quest NCS 172-LF, a non-acidic nano-zirconium treatment, was incorporated. This one-step process provided cleaning, conversion coating, and final rinse passivation in a single stage, operating at a non-acidic pH range of approximately 8.0–9.0. The result was a more uniform, stable surface that improved adhesion for both liquid and powder coatings.
Together, these technologies strengthened the overall surface preparation process, reduced the risk of flash rust between operations, and improved long-term coating performance for trailer manufacturing applications.