Coal tar enamel coated steel pipe and process for producing same

Details Coal tar enamel coated steel pipe and process for producing same Coal tar enamel coated steel pipe and process for producing same

1994-12-08

1996-10-22

Dudash, Diana

Coating processes

Applying superposed diverse coating or coating a coated base

Synthetic resin coating

427318, 427422, 427386, B05D 302, B05D 136, B05D 102

Patent

active

055674801

ABSTRACT:
Described is a method for manufacturing a coal tar enamel-coated steel pipe, in which a primer coat of epoxy resin is applied to a preheated steel pipe, and coal tar enamel is applied to the primer coat prior to full curing of the latter. The resulting coated steel pipes, which also are described, exhibit excellent resistance to cathodic disbondment, heat and water. In some embodiments the primer includes a silane coupling agent.

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