SACO AEI PEXIDAN® SX505:CM493 & SX505:CM497 Moisture-curable EPDM for Low and Medium Voltage Cable Insulation

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SACO AEI PEXIDAN® SX505:CM493 & SX505:CM497 Moisture-curable EPDM for Low and Medium Voltage Cable Insulation
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Description: PEXIDAN® SX505:CM493 and SX505:CM497 is a silane crosslinkable rubber compound, curable when exposed to moist conditions. The compound can be processed on largely standard thermoplastic extrusion equipment with good extrusion properties at high output rates. The graft component SX505 is mixed with a crosslinking catalyst masterbatch CM493 or CM497 generally in the ratio 95:5. CM497 is a lower strength catalyst masterbatch and is used on thin wall extrusion or to reduce premature crosslinking during processing. The SX505:CM493 or SX505:CM497 systems have passed type-tests for use up to and including 33 kV. PEXIDAN® SX505 is a zero-halogen material and is used as insulation in Low Smoke Zero-Halogen (LSZH) cable constructions. Information provided by SACO AEI Polymers.
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Physical Properties	Original Value	Comments

Specific Gravity	0.900 g/cc	ASTM D792
Deformation	<= 40 % @Load 2.00 kg, Temperature 121 °C	UL 1277 / UL 2556
Storage Temperature	<= 85.0 °F

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	1305 psi	UL 1277 / UL 2556
	1148 psi @Temperature 135 °C, Time 605000 sec	after thermal ageing; UL 1277 / UL 2556
Elongation at Break	350 %	UL 1277 / UL 2556
	<= 40 % @Temperature 250 °C, Time 900 sec	Hot, 20 N/cm2 load; UL 1277 / UL 2556
	243 % @Temperature 135 °C, Time 605000 sec	after thermal ageing; UL 1277 / UL 2556

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+16 ohm-cm	ASTM D6095
Dielectric Constant	2.29	IEC 60250
Dissipation Factor	0.00016	IEC 60250

Processing Properties	Original Value	Comments
Processing Temperature	40.0 - 60.0 °C	Screw
Zone 1	130 °C
Zone 2	150 °C
Zone 3	180 °C
Die Temperature	200 °C
Head Temperature	190 °C

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PSACO007 / 249374

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