ExxonMobil Santoprene® 251-80W232 Thermoplastic Elastomer

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ExxonMobil Santoprene® 251-80W232 Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)
Material Notes:	A soft, colorable, flame retardant thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. This material has good fluid resistance and contains non-ether brominated flame retardants (non-furan emitting). It does not contain added antioxidants or metal deactivators. This grade of Santoprene TPV is shear-dependent and can be processed on conventional thermoplastics equipment for injection molding, extrusion or blow molding. It is polyolefin based and completely recyclable. Key Features: UL listed: file #QMFZ2.E80017, Plastics - Component; file #QMFZ8.E80017, Plastics Certified For Canada - Component. Recommended for applications requiring excellent flex fatigue resistance. Recommended for applications requiring excellent ozone resistance. EU and China RoHS compliant. Applications: Automotive – Flame Retardant Connectors and Seals Electrical – Flame Retardant Connectors and seals; Flame Retardant Wire and Cable Jacket Uses: Automotive Applications Cable Jacketing Flexible Cord Jacketing Wire & Cable Applications Availability: Africa & Middle East, Europe, North America, Asia Pacific, Latin America and South America Information provided by ExxonMobil Chemical
Key Words:	EU 2003/11/EC; RoHS Compliant; UL QMFZ2; UL QMFZ8
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Physical Properties	Original Value	Comments

Specific Gravity	1.24 g/cc	ASTM D792

Mechanical Properties	Original Value	Comments
Hardness, Shore A	86	2 mm, 15 sec; ISO 868
Tensile Strength at Break	1310 psi	Across Flow; ASTM D412
Tensile Stress at Strain	566 psi @Strain 100 %	Across Flow; ASTM D412
Elongation at Break	550 %	Across Flow; ASTM D412
Compression Set	31 % @Temperature 22.8 °C, Time 605000 sec	ASTM D395
	40 % @Temperature 70.0 °C, Time 79200 sec	ASTM D395
	55 % @Temperature 100 °C, Time 605000 sec	ASTM D395

Thermal Properties	Original Value	Comments
UL RTI, Electrical	27.6 °C	UL 746
UL RTI, Mechanical with Impact	85.0 °C @Thickness 1.50 mm	UL 746
	90.0 °C @Thickness 3.00 mm	UL 746
Flammability, UL94	V-0 @Thickness 1.50 mm
	V-0 @Thickness 3.00 mm
Oxygen Index	27 %	ASTM D2863

Processing Properties	Original Value	Comments
Processing Temperature	175 - 230 °C
Mold Temperature	50.0 - 125 °F
Drying Temperature	180 °F
Dry Time	3 hour
Moisture Content	0.080 %
Back Pressure	50.0 - 100 psi
Clamp Pressure	6000 - 10000 psi
Vent Depth	0.00100 in
Cushion	0.125 - 0.250 in
Screw Speed	100 - 200 rpm

Descriptive Properties
Change in Mass in IRM 903 Oil at 257°F for 70 hr	41
Color	Natural Color
Form	Pellets
Injection Rate	Fast
Maximum Regrind %	20
Screw Compression Ratio	2:1 - 2.5:1
Screw L/D Ratio	16:1 - 20:1

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