PROBLEM: The HVAC air handling systems at a major pharmaceutical laboratory were severely corroded and began to leak. The air handling units had previously been coated with epoxies and needed recoating, due to numerous failures. SOLUTION: The project owner decided to use SPI’s Polyshield HT™ polyurea because of the product’s water resistance and high elongation properties. Before the polyurea coating could be applied, the failed epoxy c

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