Dow ENDURANCE™ HFDC-4202 EC

About
DOW ENDURANCE™ HFDC-4202 EC is a long-life, water-tree-retardant, unfilled, crosslinkable, low density polyethylene insulation compound. 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: State-of-the-art “water” tree-retardant technology, consistently outperforming conventional XLPE in all accelerated cable wet aging tests at ambient and elevated temperatures Proven in the field 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 the state-of-the-art in tree-retardant, power cable insulation compounds. Specifications DOW ENDURANCE™ HFDC-4202 EC tree-retardant compound is designed for use in power distribution and sub-transmission cables, especially in underground applications. DOW ENDURANCE™ HFDC-4202 EC provides improved performance over XLPE cables and is recommended, with or without moisture barriers, for use as cable insulation up to and including 69 kV applications. Cables insulated with DOW ENDURANCE™ 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 S1 DIN VDE 0276-620 BSI BS 6622 GB/T 12706 DL/T 1070&&

About

DOW ENDURANCE™ HFDC-4202 EC is a long-life, water-tree-retardant, unfilled, crosslinkable, low density polyethylene insulation compound. 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: State-of-the-art “water” tree-retardant technology, consistently outperforming conventional XLPE in all accelerated cable wet aging tests at ambient and elevated temperatures Proven in the field 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 the state-of-the-art in tree-retardant, power cable insulation compounds. Specifications DOW ENDURANCE™ HFDC-4202 EC tree-retardant compound is designed for use in power distribution and sub-transmission cables, especially in underground applications. DOW ENDURANCE™ HFDC-4202 EC provides improved performance over XLPE cables and is recommended, with or without moisture barriers, for use as cable insulation up to and including 69 kV applications. Cables insulated with DOW ENDURANCE™ 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 S1 DIN VDE 0276-620 BSI BS 6622 GB/T 12706 DL/T 1070&&

Product Description
Supplier	DOW
Generic	LDPE
Material Status	Commercial: Negative
Availabilitys	North America,Latin America,Asia Pacific

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	0.920	g/cm³	ASTM D792
The degree of cross combination (Extractables)	< 20	%	ASTM D2765A

MECHANICAL	Nominal value	Unit	Test method
tensile strength	22.1	MPa	ASTM D638
Tensile strain
fracture	530	%	ASTM D638

Aging performance	Nominal value	Unit	Test method
Tensile strength retention rate			ASTM D638
14 days：150℃	> 75	%	ASTM D638
30 days：121℃	> 75	%	ASTM D638
30 days：136℃	> 75	%	ASTM D638
Elongation retention rate			ASTM D638
14 days：150℃	> 75	%	ASTM D638
30 days：121℃	> 75	%	ASTM D638
30 days：136℃	> 75	%	ASTM D638

THERMAL	Nominal value	Unit	Test method
High temperature creep
200℃	< 100	%	ICEA T-28-562
thermosetting
200℃	< 10	%	ICEA T-28-562

Electrical performance	Nominal value	Unit	Test method
Volume resistivity
23℃	> 1.0E+15	ohms·cm	ASTM D257
Dielectric strength			ASTM D149
3.18 mm	26	kV/mm	ASTM D149
3.18 mm	23	kV/mm	ASTM D149
Dielectric constant
60 Hz	2.30		ASTM D150
Dissipation factor
60 Hz	3.0E-4		ASTM D150
Water-Tree Growth Rate	10	%	ASTM D6097
Water-Tree Relative Size	25	%	ASTM D6097

Notes
1. Typical properties: these are not to be construed as specifications.
2. Method A (Short-Time)
3. Method B (Step-by-Step)
4. Rate is relative to rate for Dow’s standard XLPE, FREQ = 1 kHz.
5. Size is relative to size for Dow’s standard XLPE.
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