ExxonMobil Santoprene® 151-70W256 Thermoplastic Vulcanizate

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ExxonMobil Santoprene® 151-70W256 Thermoplastic Vulcanizate - Flame Retardant
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)
Material Notes:	Product Description: A soft, black, flame retardant thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. This material has been designed to meet the Underwriter Laboratories (UL) Subjects 6703, UL 6703A and UL 1703 material requirements for both junction boxes and connectors (both enclosure and insulation) for use in photovoltaic systems. The flame retardants used are RoHS compliant and provide UL 94 flammability classifications of V-1 down to a thickness of 1.5 mm and 5VA down to a thickness of 1.8 mm. The material has an elevated Relative Thermal Index (RTI) of 90°C and meets the requirements for suitability for outdoor use with an (f1) rating. This grade of Santoprene TPV is shear-dependent and can be processed on conventional thermoplastics equipment for injection molding. It is polyolefin based and completely recyclable. Key Features: Suitability for outdoor use. EU and China RoHS compliant. UL listed: file #QMFZ2.E80017, Plastics - Component; file #QMFZ8.E80017, Plastics Certified For Canada - Component. Availability: Africa & Middle East, Europe, North America, Asia Pacific, Latin America and South America Information provided by ExxonMobil Chemical.
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Physical Properties	Original Value	Comments

Specific Gravity	1.26 g/cc	ASTM D792 and ISO 1183

Mechanical Properties	Original Value	Comments
Hardness, Shore A	75	2 mm; ISO 868
Tensile Strength at Break	4.80 MPa	Across Flow; ASTM D412 and ISO 37
Tensile Stress at Strain	2.30 MPa @Strain 100 %	Across Flow; ASTM D412 and ISO 37
Elongation at Break	480 %	Across Flow; ASTM D412 and ISO 37

Electrical Properties	Original Value	Comments
Dielectric Strength	720 V/mil @Thickness 2.03 mm	ASTM D149

Thermal Properties	Original Value	Comments
UL RTI, Electrical	90.0 °C	UL 746
UL RTI, Mechanical without Impact	90.0 °C	UL 746
Flammability, UL94	V-1 @Thickness 1.50 - 3.00 mm	UL File Number - E80017
	5VA @Thickness 1.80 mm
	5VA @Thickness 3.00 mm
Oxygen Index	24 %	ASTM D2863 and ISO 4589-2

Descriptive Properties
Inclined Plane Tracking	107 min	UL 746/ASTM D2303
Outdoor Suitability	f1	UL 746C

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PEXA912 / 125955

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