PIPELINE COATINGS: PRESENT AND FUTURE APPLICATIONS Available to Purchase

Coal‐tar and asphalt‐base coatings have been the major protective coatings used on pipelines for nearly half a century. The coal‐tar coatings are the only ones recognised for use as a lining and coating for water‐lines, but in oil and gas systems both types are being used. The coal‐tar hot‐applied coatings have dominated even this field. It is estimated that, since the war, the amount of the two types of hot‐applied coatings used in the Western hemisphere has varied between 200,000 and 350,000 tons p.a. and the percentage of hot‐applied asphalts used has varied between 10 and 30%.