Paint 33, Coal-Tar Mastic Coating, Cold-Applied

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You are purchasing a downloadable pdf of this Standard.

This specification covers a cold-applied coal-tar coating for use on underground and underwater steel structures. 

This coating, when applied over properly prepared carbon steel, is suitable for use on parts or structures exposed in Environmental Zones 2A (frequently wet by fresh water), 2B (frequently wet by salt water), 2C (fresh water immersion), 2D (salt water immersion), 3B (chemical exposure neutral), and 3C (chemical exposure alkaline). The coating is also suitable for use on hydraulic structures and pipe. It must be used with discretion for immersion in corrosive chemicals since the coating is dissolved by some organic solvents and attacked by oxidizing solutions. 


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