BARRIER COATINGS

The corrosion preventive barrier coating system is described which may be used as a primer, intermediate, or finish coat. It is typified by an inert pigmentation at low pigment volume concentrations, and produces a tight, cohesive film with significantly low permeability to water, oxygen, and ionic material. The system is exemplified by a wide range of coatings such as coal tar enamels, low-build vinyl lacquers, epoxies, aliphatic urethanes, and coal tar epoxies. Its mechanism of protection is described. It is essential that ion-producing pigments are replaced by inert non-soluble pigments in the formulation of the barrier system. Vehicle slection, and film thickness are also described. The multi-coat vinyl barrier system, the chlorinated rubber barrier system, the epoxy polyamide barrier system, the aluminized mastic barrier system, coal tar epoxies, barrier systems based on epoxy primers and urethane topcoats, and urethane barrier systems are discussed. These are examples of many others that provide protection for steel.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/87551985
• Corporate Authors:

  Steel Structures Painting Council

  4400 Fifth Avenue
  Pittsburgh, PA  United States  15213
• Authors:
  • Hare, C H
• Publication Date: 1989-2

Media Info

• Features: Figures; References; Tables;
• Pagination: p. 59-69
• Serial:
  • Journal of Protective Coatings & Linings
  • Volume: 6
  • Issue Number: 2
  • Publisher: Steel Structures Painting Council
  • ISSN: 8755-1985

Subject/Index Terms

• TRT Terms: Chlorinated rubber; Coal tars; Corrosion protection; Enamels; Epoxides; Permeability; Pigments; Protective coatings; Steel; Urethane; Vinyl resins
• Old TRIS Terms: Epoxy
• Subject Areas: Geotechnology; Highways; Maintenance and Preservation; Materials; I35: Miscellaneous Materials;

Filing Info

• Accession Number: 00480932
• Record Type: Publication
• Files: TRIS
• Created Date: Mar 31 1989 12:00AM