NACE 10A392

Effectiveness of Cathodic Protection on Thermally Insulated Underground Metallic Structures

National Association of Corrosion Engineers , 09/01/2006

Publisher: NACE

File Format: PDF

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Description

Standard By:National Association of Corrosion Engineers , 09/01/2006

Published:09/01/2006

Pages:8

File Size:1 file , 280 KB

Language:English

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The present trend in establishing an effective level of external metallic surface corrosion control is the application of a barrier coating or adhesive on the metallic surface prior to the application of a thermal insulating material. Experience has shown that there is generally a limited beneficial effect from the application of cathodic protection (CP) to a bare or ineffectively coated metallic surface under thermal insulation.