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51315-6072-Evaluation of Direct-to-Metal Coatings Technologies

Picture for Evaluation of Direct-to-Metal Coatings Technologies
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Product Number: 51315-6072-SG
ISBN: 6072 2015 CP
Author: Todd Williams
Publication Date: 2015
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$20.00
$20.00
Direct to metal (DTM) coatings are used in mildly corrosive environments (C1-C3 per ISO 12944) because of their ease of use and single coat application that offers throughput advantages over multi-coat systems. DTM coatings consist of a number of different resin high film build chemistries including acrylics alkyds epoxies polyurethanes polyaspartics and polysiloxanes and each coating type has unique cost application characteristics and performance properties. This study compares application characteristics and physical properties of these coatings applied to NACE No2./SSPC SP-10 blasted steel panels. The following ASTM tests were used to characterize each technology; salt fog prohesion abrasion resistance flexibility dry-time pull-off adhesion and accelerated weathering. The majority of the coatings passed the C3-high requirements of ISO 12944 and the qualities that differentiate the each coating technologies are ease-of-application corrosion resistance dry-time flexibility and weatherability.
Direct to metal (DTM) coatings are used in mildly corrosive environments (C1-C3 per ISO 12944) because of their ease of use and single coat application that offers throughput advantages over multi-coat systems. DTM coatings consist of a number of different resin high film build chemistries including acrylics alkyds epoxies polyurethanes polyaspartics and polysiloxanes and each coating type has unique cost application characteristics and performance properties. This study compares application characteristics and physical properties of these coatings applied to NACE No2./SSPC SP-10 blasted steel panels. The following ASTM tests were used to characterize each technology; salt fog prohesion abrasion resistance flexibility dry-time pull-off adhesion and accelerated weathering. The majority of the coatings passed the C3-high requirements of ISO 12944 and the qualities that differentiate the each coating technologies are ease-of-application corrosion resistance dry-time flexibility and weatherability.
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