A new polyethylene-based coating has been developed for corrosion protection of buried pipelines. The coating is designed to be applied in most existing costing plants using s new spray-applied liquid epoxy primer and a multifunctional polyethylene laminate. The laminate is applied in the solid state to the preheated, epoxy-primed pipe and fused immediately by residual heat in the pipe. The result is a monolithic coating with no mastic-like components. Details of the coating construction, application technique and results of extensive laboratory testing will be presented.

Subject
Liquid epoxies, Test methods, Primers, Pipe surfaces, Coating application, Water, Piping, Laminates, Rolling, Epoxy coatings, Shear, Polyolefins, Coating systems
Keywords:
pipeline, coating, 3-layer, 2-layer, liquid epoxy, polyethylene
© 1997 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1997
Association for Materials Protection and Performance (AMPP)
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