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Corrosion Resistance Comparison of Direct-to-Metal, Weaterable Protective Coatings

Corrosion Resistance Comparison of Direct-to-Metal, Weaterable Protective Coatings
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An important segment of the high-performance protective coatings market is weatherable, direct-to-metal coatings. Coatings that weather well and provide corrosion protection are recommended for direct-to-metal applications, due to the dual benefits of ease of application and good asset protection. However, performance can vary widely based on the coating type and substrate preparation, with performance often rated by accelerated corrosion testing. 

Product Number: 51220-281-SG
Author: Mary Roley, Steve Liebhart
Publication Date: 2020
Industry: Coatings
$0.00
$20.00
$20.00

An important segment of the high-performance protective coatings market is weatherable, direct-to-metal coatings. Coatings that weather well and provide corrosion protection are recommended for direct-to-metal applications, due to the dual benefits of ease of application and good asset protection. However, performance can vary widely based on the coating type and substrate preparation, with performance often rated by accelerated corrosion testing. Coatings available today that offer direct-to-metal application with excellent weatherability include polyurethanes, polyaspartics, non-isocyanate coatings, and polysiloxanes. Substrate preparation for high-performance protective coatings typically includes any one of many common passivation surface treatments, or white or near-white metal blast preparation (SSPC-SP5 or SP10). With the importance of direct-to-metal coating performance, it is beneficial to compare the various weatherable technologies for direct-to-metal performance over a few different surface preparations.

An important segment of the high-performance protective coatings market is weatherable, direct-to-metal coatings. Coatings that weather well and provide corrosion protection are recommended for direct-to-metal applications, due to the dual benefits of ease of application and good asset protection. However, performance can vary widely based on the coating type and substrate preparation, with performance often rated by accelerated corrosion testing. Coatings available today that offer direct-to-metal application with excellent weatherability include polyurethanes, polyaspartics, non-isocyanate coatings, and polysiloxanes. Substrate preparation for high-performance protective coatings typically includes any one of many common passivation surface treatments, or white or near-white metal blast preparation (SSPC-SP5 or SP10). With the importance of direct-to-metal coating performance, it is beneficial to compare the various weatherable technologies for direct-to-metal performance over a few different surface preparations.

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