SACO AEI PEXIDAN® U/T Curable Polyethylene Compound

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SACO AEI PEXIDAN® U/T Curable Polyethylene Compound
Categories:	Polymer; Thermoplastic; Polyethylene (PE)
Material Notes:	Description: PEXIDAN® U/T is a low density XLPE system curable by moisture and consists of a silane pre-grafted base compound A-3001 and a catalyst masterbatch CAT-008. When mixed and extruded in the proper proportions (95/5), the two components result in a material curable by exposure to 70-95°C hot water or even ambient moisture. In order to prevent pre-scorching the grafted compound and the catalyst masterbatch must be stored separately and mixed only when used. PEXIDAN® U/T is RoHS-compliant. PEXIDAN® U/T is also suitable for medium voltage XLPE jacket applications not requiring flame retardancy. Information provided by SACO AEI Polymers.
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Physical Properties	Original Value	Comments

Specific Gravity	0.920 g/cc	ASTM D792
Melt Flow	0.80 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238
Deformation	1.0 %	UL 1581 / UL 2556
Storage Temperature	<= 30.0 °F

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	2200 psi	UL 1581 / UL 2556
	2650 psi	Original, Weatherometer testing (300 hr. exposure); UL 1581 / UL 2556
	2870 psi	After exposure, Weatherometer testing (300 hr. exposure); UL 1581 / UL 2556
	1825 psi @Temperature 23.0 °C	30 day gasoline; UL 1581 / UL 2556
	1850 psi @Temperature 75.0 °C	60 day oil; UL 1581 / UL 2556
	1950 psi @Temperature 121 °C, Time 605000 sec	after thermal ageing; UL 1581 / UL 2556
Tensile Strength, Yield	1800 psi	UL 1581 / UL 2556
Elongation at Break	430 %	After exposure, Weatherometer testing (300 hr. exposure); UL 1581 / UL 2556
	440 %	Original, Weatherometer testing (300 hr. exposure); UL 1581 / UL 2556
	450 %	UL 1581 / UL 2556
	330 % @Temperature 75.0 °C	60 day oil; UL 1581 / UL 2556
	350 % @Temperature 23.0 °C	30 day gasoline; UL 1581 / UL 2556
	30 % @Temperature 150 °C, Time 900 sec	Hot, Elongation under 0.2 N/mm2 load; SACO AEI DWI-QA-4007 based on ICEA T-28-562
	350 % @Temperature 121 °C, Time 605000 sec	after thermal ageing; UL 1581 / UL 2556
Crush Resistance	1400 lb (mass)	UL 1581 / UL 2556

Electrical Properties	Original Value	Comments
Insulation Resistivity	21000 Megaohm/1000 ft @Temperature 90.0 °C	UL 1581 / UL 2556
	50000 Megaohm/1000 ft @Temperature 90.0 °C	After 12 weeks; UL 1581 / UL 2556
	560000 Megaohm/1000 ft @Temperature 23.0 °C	UL 1581 / UL 2556
Dielectric Constant	2.28 @Frequency 1.00e+6 - 1.00e+8 Hz	ASTM D150
Dielectric Breakdown	33000 V	After glancing impact; UL 1581 / UL 2556
	35000 V	UL 1581 / UL 2556
Dissipation Factor	0.00044 @Frequency 1e+6 Hz	ASTM D150
	0.00046 @Frequency 1e+8 Hz	ASTM D150

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -75.0 °C	Low Temperature Brittleness Point; ASTM D746

Processing Properties	Original Value	Comments
Processing Temperature	310 - 340 °F	barrel zones
Die Temperature	365 °F
Head Temperature	365 °F

Descriptive Properties
Degree of Crosslinking	72%	ASTM D2765

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PSACO050 / 249417

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