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This paper explores the process of repairing and preparing concrete substrates for application of protective sealers, coatings, or linings. It will present the road map, provided in SSPC SP 13 / NACE 6, “Surface Preparation of Concrete” to attain long term barrier protection performance. It will present the means and methods to achieve a concrete surface suitable for sealer, coating, or lining application.
This paper explores the process of repairing and preparing concrete substrates for application of protective sealers, coatings, or linings. It will present the road map, provided in SSPC SP 13 / NACE 6, “Surface Preparation of Concrete” to attain long term barrier protection performance. It will present the means and methods to achieve a concrete surface suitable for sealer, coating, or lining application. At the conclusion of this discussion, the reader will understand the complexities and processes of how to prepare for and undertake appropriate surface repair and preparation of a concrete substrate. The reader will also have knowledge of the resources available from industry standards to Concrete Coatings Inspectors that will assure a satisfactory project outcome.
This paper will examine the formulation and performance of new, activated zinc epoxy primers compared to conventional zinc-rich epoxy primers. We will demonstrate comparable corrosion resistance at reduced zinc levels in the dried film (Level 3 ≥65%) and show that zinc metal levels can be reduced to as low as 31% by weight without compromising galvanic corrosion protection while improving adhesion and mechanical properties of the dry film.
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This paper outlines the aggressive service conditions experienced by wellhead casings and the resulting failures seen to date in the Alberta oil patch. Deleterious in-service conditions include; high temperatures and significant temperature fluctuations, expansion and contraction of the steel substrate, and the wet and dry oxidizing micro-environment, the influence of concrete, and a plethora of chlorides and other contaminants elevating the corrosion rate. Previous corrosion mitigation programs and current inspection techniques are reviewed.
Have you ever wondered about the huge amount of money you spend in abrasives, logistics, recovery and cleaning of abrasives and the great amount of resources used during a project in the stage of surface preparation when you have a project for Maintenance of Storage Tanks? well, with this presentation you will learn about a great new technology available in the American market for this specific activity.