How to know that paint has dried / Charles S. Brown in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 33, N° 5 (05/2016)

[article]  inJOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 33, N° 5 (05/2016) . - p. 13-17 Titre : How to know that paint has dried Type de document : texte imprimé Auteurs : Charles S. Brown, Auteur Année de publication : 2016 Article en page(s) : p. 13-17 Langues : Américain (ame) Catégories : Qualité -- Contrôle Revêtement -- Séchage:Peinture -- Séchage Index. décimale : 667.6 Peintures Résumé : Painting a bridge or an industrial structure is an expensive operation. Now more than ever, state DOTs and facility owners are specifying warranties and application methods to ensure the longest possible life for their coatings. Determining what factors affect paint cure can help to achieve the optimum performance and provide the owner and contractor with fewer headaches down the road. As always, for any coating to be successful, a good specification, quality contactror, proper equipment and of course an effective inspection program are all necessary components Note de contenu : - Drying to the touch for solvent- and water-based coatings - Hardening (dry to recoat) - Cure (complete cure) - How to check if yur paint is dry - How to check if your paint is cured - Temperature - Humidity - Blushing (amine sweating) - Cratering - Orange peel - Wrinkling - Blistering - Thinning Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26835 [article]

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Shop coat versus field coat / Charles S. Brown in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 33, N° 9 (09/2016)  

[article]  inJOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 33, N° 9 (09/2016) . - p. 42-47 Titre : Shop coat versus field coat : The pros and cons Type de document : texte imprimé Auteurs : Charles S. Brown, Auteur Année de publication : 2016 Article en page(s) : p. 42-47 Langues : Américain (ame) Catégories : Coût-Efficacité Epoxydes Etudes comparatives Polyuréthanes Ponts métalliques -- Revêtements protecteurs Primaire (revêtement) Revêtements -- Finition:Peinture -- Finition Zinc Index. décimale : 667.9 Revêtements et enduits Résumé : Many bridge owners seem to believe that applying all three coats of paint in the shop is more cost-effective and will provide better coating performance on new steel. This article will discuss the most widely used coating system coming out of the shop for bridge coatings, an inorganic zinc-rich primer, an epoxy intermediate coat and a polyurethane topcoat, and examine the cost differences through two case histories from the Maryland State Highway Administration where all three coats were applied in the shop. Note de contenu : - Cases - Shop and field painting combinations : Shop/shop/field - Shop cleaning and painting - The cons - Field cleaning and painting : The pros - The cons - The cost of painting new steel in the field - The cost of painting new steel in the shop - FIGURES : 1. Once the bolts were tightened on the surfaces which had all three coats applied, failures occurred with the intermediate and topcoats fracturing down to the primer - 2. Fascia was only touched up and not repainted - 3. Shop cleaning and painting allows for a controlled atmosphere - 4. This figure shows a shipping and erection defect - 5. This gouge goes down to substrate and must be repaired to ensure that the coating has the longevity it was designed for - 6. Applying an additional coat of finish may be necessary to give these fascia defects a uniform appearance after erection is complete - TABLE : Comparison of field vs. shop costs En ligne : http://www.paintsquare.com/archive/?fuseaction=view&articleid=5916 Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28394 [article]

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