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Recent advances in the realm of polyaspartic ester finish coat technology have led to significant improvements in their aesthetic and corrosion resistance properties. Of particular interest is an initial comparison of the aesthetic properties of older and new generation polyaspartic ester finishes with both polyurethanes and isocyanate-free polysiloxane finishes.
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This paper will offer general guidance regarding preservation by liquid applied coatings to the owners and operators of coastal and inland working vessels. The paper will discuss both new construction and maintenance painting and will offer suggested coating systems for the main areas of these vessels.
While cementitious urethane technology for flooring applications has been around for quite some time now, the characteristics of these systems are not widely known by key decision makers within the food and beverage processing industry outside Europe. This presentation is intended to provide a generic and comparative analysis of cementitious urethane topping systems, as used in food and beverage processing facilities (with a particular emphasis on meat processing facilities), versus other widely used topping systems, including epoxy, polyester, vinyl ester, methylmethacrylate (MMA), polyurethane, polyurea, and tile technologies.
Coating technologies for bridges has not changed much since 1977. Available finish coat technologies were limited to alkyd, acrylic, or urethane-based chemistry. Performance of these chemistries has declined over the years due to cost reduction in paint to meet project pricing requirements. Bridge owners and engineers have had a limited selection of high-performance coatings to protect their assets. This is even more important with high profile structures where the finish coat needs to stand the test of time and limited maintenance funding has forced asset owners to extend time in between cosmetic maintenance
Selection of coating systems for commercial projects may appear to be a simple task, but to ensure a successful project the Architect or the Engineer needs to perform a thorough and appropriate evaluation of the project to match the right coating systems with the required substrates and environments.
This paper will discuss issues related to corrosion protection of high temperature carbon steel substrates which are insulated to preserve energy, provide process control and to keep workers safe from burn injuries.
This paper introduces the available technology of chemical coating removal as an alternative to mechanical coating removal by comparing and contrasting the advantages and disadvantages of each chemical coating removal technology. Due to the high cost and environmental drawbacks of mechanical methods of coating removal, chemical coating removal systems have advanced as a cost effective and environmentally friendly way to remove coatings that are highly cost effective on a per square foot basis cost comparison. The presentation will discuss all chemical coating removal technology, features and benefits.
The authors look into the various factors that need to be taken into consideration when specifying coating systems for tank coatings and linings for existing carbon steel storage tanks.
This paper will discuss common coating failures seen in water storage tanks and discuss how these failures can be addressed by the use of OAP coatings designed for potable water service.
A case study of how poor initial quality control resulted in a complete coatings rework of the underwater bottom (exterior hull) of a large Floating Storage Unit (FSU) and how a good quality control program, during rework, resulted in the documented long term performance of the second application underwater hull coating system.
In 2003 Connecticut Department of Transportation (DOT) conducted a study to quantify the throughput and cost savings potential of a PAS two-coat system versus a three-coat system. The study showed that a PAS two-coat system had a 31% increase in productivity and direct cost savings of approximately $6 per square foot, with indirect cost savings of $18 per square foot when including the benefits of reduced traffic congestion.17 PAS two-coat systems utilize a zinc-rich primer for galvanic protection; the epoxy and polyurethane layers are replaced by a high-build PAS topcoat.
The wastewater industry embraces “going green” but it is not just about the latest and greatest VOC compliant products on the market. Green starts with advanced coatings technology and the knowledge and support of the industry professionals from design to completion and beyond.