TEK-RAP
255 DUCTILE IRON SERIES OUTER LAYER SPECIALLY DESIGNED FOR IN-PLANT AND OVER-THE-DITCH APPLICATIONS

TEK-RAP 255 Dl SERIES is a co-extruded outer covering of polyethylene and butyl rubber. It provides mechanical protection to the Inner Layer from potential hazards due to back-fill operations and soil stresses; as well as protection from chemical and biological attack. Material is available in various thicknesses. Below properties are based on a 30 mil Outer Layer.

PRODUCT PHYSICAL PROPERTIES

We follow and comply with AGA, ANSI, ASTM, API, NACE*, NAPCA*, AWWA, and other International Standards.

Northtown Company - 5202 Argosy Ave., Huntington Beach, CA 92649 - Phone: 714-897-0700 - Fax: 714-897-0600