Moisture-Cured Urethane Coatings Applications

January 5, 2011

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When water tanks undergo repairs or refurbishments either as part of a facility maintenance schedule or as a single project, water tank painting is often one of the activities that will be undertaken. Repainting an operational storage tank, however, carries some logistical challenges. By nature, water tanks contain water supply that serves an important purpose — either as drinking water to the local community or as part of a fire-prevention program, among others. These functions require for the water tank to be operational 100% of the time.

But when water tank painting activities need to be done, it used to be that a certain downtime has to be tolerated because of the coatings that will be used. Most coatings run into adhesion problems when exposed to moisture. To prevent coatings failure, the water tank has to be drained and dried. When hundred thousand gallons of water have to be drained from a storage tank, this is considered a significant to downtime to its operations.

Moisture-cured urethane coatings are a product of state-of-the-art technology that addresses the issue of draining the tank during water tank painting. These coatings not only stand up well to water exposure, they retain the same properties as conventional paints. They can withstand many chemical damages and corrosion — a water tank’s main enemy. Since they are single-component systems, they involve only one-coat coverage and are therefore easy to apply.

Moisture-cured urethane coatings also come in many shades of color. Water tank painting often involves changing the facility logo or color as part of business branding. This ability to create a wide range of tints makes moisture-cured urethane coatings a good option for aesthetic enhancements.

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