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Revision Date: November 01, 1982
Updated On: April 01, 2002
Editorial Change: November 1, 2004
The specifications summarized and described in this guide cover chlorinated rubber painting systems for blast cleaned or pickled steel. These coatings are not recommended for areas exposed to strong organic solvents, oxidizing acids, or areas where the surface temperature exceeds 74 øC (165 øF). Straight chain unsaturated acids, and fats and oils of animal or vegetable origin will cause softening and swelling of these coatings.
These systems are suitable for use on parts or structures exposed in Environmental Zones 1A (interior, normally dry), 1B (exterior, normally dry), 2A (frequently wet by fresh water), 2B (frequently wet by salt water), 2C (fresh water immersion), 2D (salt water immersion), 3A (chemical exposure, acid), 3B (chemical exposure, neutral), and 3C (chemical exposure, alkaline).
Chlorinated rubber paints are single-package systems that dry by solvent evaporation and have low permeability to water vapor and oxygen. After drying, they are nonflammable and resistant to mildew growth.