urethane tank with coating

Tanks such as these, cryogenic vessels, for Praxair, operate at approximately 100 degrees below zero. Spray applied urethane foam is the only answer for this type of application. However, the coatings must be a vapor barrier. This tank which is insulated approximately seven inches thick has a vapor barrier of rubber butal with a top coat of alaphetic urethane. This system may need a recoat in approximately 20 years.

repair work urethane tank

completed tank coating

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