3 Layer Polyethylene

Buried pipelines are often exposed to extremely high stresses under service conditions. Efficient corrosion protection therefore


3 Layer Polyethylene

External corrosion protection of buried steel pipelines is covered in DIN 30 670. In accordance with this standard, the selection of the coating material is governed by the effects of mechanical, thermal or chemical stresses involved in this application. Within the framework of the application areas mentioned in DIN 30 670, polyethylene coating is suitable for all classes of soil, rendering extensive soil tests unnecessary. The PE coating used by Frazer & Tabberer is a 3-layer system designated ACS-III (Anti- Corrosion System).

The 3 layers are comprised of a fusion bonded epoxy to 350 microns, adhesive to 100 microns and 2-3mm heat bonded, seamless, polyethylene depending on the pipe diameter. The exceptional properties of the 3 layer coating is based on the adhesion between the 3 layers.

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