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AEI SX559:CM540U

Category:	XLPE , Crosslinked Polyethylene
Manufacturer:	AEI Compounds Limited
Trademark:	AEI
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	5G008h_AEI-SX559-CM540U.pdf
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Low-smoke, low-toxicity, halogen-free, flame-retardant, silane crosslinkable compound for low voltage insulation and sheathing of all types of cable

This is a low smoke, low fume, fire retardant silane crosslinkable compound which can be processed as a thermoplastic at high output rates and cured post processing by exposure to moisture. The graft component SX559 is mixed with a crosslinking catalyst masterbatch CM540U generally in the ratio 95:5.

The compound combines good mechanical, electrical and fire retardant properties to meet demanding insulation specifications including BS7211. The compound can also be used for sheathing of cables requiring high fire retardance.

General Information
Additive	Flame retardancy
Features	Irritant gas low to no Low smoke Low toxicity Crosslinkable Halogen-free Flame retardancy
Uses	Flame Retardant Insulation Flame Retardant Jacketing Low voltage insulation Cable sheath Wire and cable applications
Agency Ratings	BS 7211 EC 1907/2006 (REACH)
RoHS Compliance	RoHS compliance
Forms	Particle
Processing Method	Extrusion

Physical	Nominal Value	Unit	Test Method
Density	1.49	g/cm³	BS 2782 620A
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)	2.5	g/10 min	Internal method

Mechanical	Nominal Value	Unit	Test Method
Tensile Stress	14.0	MPa	IEC 60811-1-1
Tensile Strain (Break)	170	%	IEC 60811-1-1

Aging	Nominal Value	Unit	Test Method
Change in Tensile Strength (135°C, 168 hr)	20	%	IEC 60811-1-2
Change in Tensile Strain at Break (135°C, 168 hr)	-15	%	IEC 60811-1-2

Thermal	Nominal Value	Unit	Test Method
Deformation (100°C)	40	%	IEC 60811-3-1
Cold bending (-30°C)	pass		IEC 60811-1-4
Thermoset ¹			IEC 60811-2-1
Elongation under load, 20N/cm² : 200°C	30	%	IEC 60811-2-1
Permanent elongation after cooling	0.0	%	IEC 60811-2-1
Temperature index	> 300	°C	ISO 4589-3

Electrical	Nominal Value	Unit	Test Method
Insulation Constant - Ki			IEC 60502
20°C	1.3E+12	ohms·cm	IEC 60502
90°C	5.0E+8	ohms·cm	IEC 60502
Conduction rate- of gases	13.0	µS/cm	IEC 60754-2

Flammability	Nominal Value	Unit	Test Method
Corrosive gases in flue gas- pH	4.60		IEC 60754-2
Smoke Density		%	ASTM D2843

Additional Information	Nominal Value	Unit	Test Method
Halogen Acid Gas Evolution		%	IEC 60754-1

Extrusion	Nominal Value	Unit
Head Temperature	190	°C

Flammability	Nominal Value	Unit	Test Method
Oxygen Index	36	%	ISO 4589-2

Additional Information	Nominal Value	Unit	Test Method
Crosslinking & cure: A satisfactory cure can be obtained either by immersion in hot water or exposure to low pressure steam at a temperature up to 65°C

Extrusion	Nominal Value	Unit
Cylinder Zone 1 Temp.	130	°C
Cylinder Zone 2 Temp.	150	°C
Cylinder Zone 3 Temp.	170	°C
Cylinder Zone 4 Temp.	180	°C
Die Temperature	190	°C

Extrusion instructions
Many modern thermoplastic extruders will process the material although a screw designed to give good homogenisation without excessive shear (which could cause unacceptable increases in melt temperature) should be used. An extruder with an L/D ratio (length/diameter) of 15-24 and an extruder screw with a compression ratio 1.2:1 are recommended.

Note Message
1 .	Cure assessment by hot set test (forced cured at 80°C in water)

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