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The easiest way to compare abrasives is to look at the price per unit (i.e., price per ton or price per pound). If only it were that easy! Unfortunately comparing the price per unit assumes that all abrasives perform the same – and we all know that is not the case.
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The demands of cementitious coatings and repair mortars have never been greater. As manufacturers, contractors, and coatings inspectors we are tasked with providing high performance solutions for new projects, or to breathe life back into failing concrete or steel. With new cement technologies, we can meet and exceed our customers’ environmental and financial expectations.
This paper presents results of multiple test programs that have been performed to determine the effectiveness of recyclable encapsulated abrasive media to remove chlorides during surface preparation. Tests published in 2002 concluded that this technology consistently achieves significant reductions of chloride levels in comparison to those achieved with conventional abrasive blasting.
This article describes the development of a web-based “fact sheet” on radiation control for commercial low-slope roofing systems. This fact sheet includes an estimating tool or “calculator” to predict the heating and cooling loads per unit area of low-slope roof. The user of the “calculator” specifies surface radiation properties (solar reflectance and infrared emittance), insulation level, and location for the roof.
Currently the shipbuilding industry is seeking to minimize to improve corrosion protection provided to the structures which comprise the Water Ballast Tanks (WBT’s) of a vessel. At the design stage two factors could reduce the carbon footprint of the coating process through life material selection and optimizing the structural design to facilitate the coating process and maintenance processes. Thus, the design stage exerts considerable influence on these two elements and can determine the through life costs and environmental penalties of maintaining the structure.
This article will help you as a painting contractor to make the change to green products. Four things will be highlighted: How to identify “green” paint products, application methods, marketing their use and turning your project into a winner.
These case studies are presented demonstrating the cost savings and performance of one-coat direct-to-metal (DTM) and two-coat polyaspartic exterior coatings of three industrial maintenance applications involving hopper railcars, bridges, and an exposed steel beam superstructure. In each example, the rapid cure time of the polyaspartic coating provided increased productivity to complement its documented high performance.
Framatome identified a need to reduce radioactive contaminants on plant equipment and vendor supplied tooling, through the use of hydrophobic coatings, as a potential cost savings within the Nuclear Industry.
This presentation focuses on Abrasive Blasting as it is the most widely form of surface preparation in the Protective Coating Industry. It is a brief but comprehensive presentation of the top 5 mistakes made when Abrasive Blasting and how these can be resolved to lower the total cost of a surface preparation project.
Maintaining aged infrastructure can be challenging, especially when structures were designed with difficult-to-coat features, such as riveted construction, back-to-back plates, or skip welds. According to NACE SP0178 - Design, Fabrication, and Surface Finish Practices for Tanks and Vessels to be Lined for Immersion Service, these construction methods are not recommended for immersion service.
Since the inception of Epoxy Passive Fire Protection (EPFP), the industry has depended upon systems that require mesh reinforcement. The addition of this mesh adds at least $3.72 USD/sq. ft. to the applied systems. To avoid any risk of failure when exposed to fire reinforcement mesh must be correctly installed in accordance with the product’s certification and type approvals.