Dow ENDURANCE™ HFDC-4202 EC is a long-life, water-tree-retardant, unfilled, crosslinkable, low density polyethylene insulation compound designed for distribution and transmission power cable applications. It has a very low level of contamination and bears the designation Extra Clean (EC). HFDC-4202 EC has been designed to have a low level of additive bloom for a long storage life, low dusting and an enhanced degree of scorch retardance for long production run lengths during cable manufacture. The permanent tree-retardant additive provides improved performance in power cables in service involving exposure to moisture while retaining the excellent physical, electrical, and processing attributes of conventional, crosslinkable polyethylene.

DOW ENDURANCE™ HFDC-4202 EC compound provides electric utilities with:

• Advanced, next generation "water" tree-retardant technology, consistently outperforming conventional XLPE and conventional TR-XLPE in accelerated cable wet aging tests at ambient and elevated temperatures

• Proven in the field water tree retardance technology for over 25 years, at a broad cross section of geographical conditions, demonstrating excellent reliability and help achieving lowest life cycle costs

• Excellent electrical performance demonstrated by very high aged electrical strength and very low aged dissipation factor and power loss.

DOW ENDURANCE™ HFDC-4202 EC compound represents an advancement over conventional water tree-retardant, power cable insulation compounds. DOW ENDURANCE™ HFDC-4202 EC is recommended for the insulation of power distribution cables rated up to 46 kV and can be used for transmission cables rated up to 69 kV.

Specifications
DOW ENDURANCE™ HFDC-4202 EC tree-retardant compound is designed for use in power distribution and sub-transmission cables. DOW ENDURANCE™ HFDC-4202 EC provides improved wet electrical performance and is recommended, with or without moisture barriers, for use as cable insulation up to and including 69 kV applications. Cables insulated with HFDC-4202 EC, using sound commercial fabrication manufacturing practice, would be expected to meet the latest editions of the following specifications and regulations:

• ANSI/ICEA: S-94-649, S-97-682, S-93-639 / NEMA WC74 (TR-XLPE requirements)

• AEIC: CS8

• RUS 50-70 (U-1)

• CEA: WCWG-01, WCWG-02

• UL 1072

• IEC: 60502, 60840

• CENELEC: HD 620 S2

• DIN VDE 0276-620

• BSI BS 6622

• GB/T 12706

• DL/T 1070