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Santoprene™ 151-70W256

Thermoplastic Vulcanizate

Supplied by ExxonMobil Chemical

The technical datasheet with complete property values for Santoprene™ 151-70W256 is available to members of the Prospector Plastics Database.
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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, 6703A, 3730 and 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.
General  
Material Status 
  • Commercial: Active
Availability 
  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  • North America
  • South America
Features 
  • Recyclable Material
Agency Ratings 
RoHS Compliance 
Appearance 
  • Black
Processing Method 
  • Injection Molding
  • Multi Injection Molding
  
Physical
Nominal Value
Unit
Test Method
Specific Gravity
      
--
 
 ASTM D792
--
g/cm³
 ISO 1183
Elastomers
Nominal Value
Unit
Test Method
Tensile Stress - Across Flow (100% Strain, 73°F)
psi
 ASTM D412, ISO 37
Tensile Strength - Across Flow (Break, 73°F)
psi
 ASTM D412, ISO 37
Tensile Elongation - Across Flow (Break, 73°F)
%
 ASTM D412, ISO 37
Hardness
Nominal Value
Unit
Test Method
Shore Hardness (Shore A, 73°F, 0.0787 in)
 
 ISO 868
Electrical
Nominal Value
Unit
Test Method
Dielectric Strength (73°F, 0.0800 in)
V/mil
 ASTM D149
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
     UL 94
0.0591 in
 
  
0.0709 in
 
  
0.118 in
 
  
Oxygen Index
%
 ASTM D2863, ISO 4589-2
UL File Number
 
  
UL
Nominal Value
Unit
Test Method
RTI Str
°F
 UL 746
RTI Elec
°F
 UL 746
Comparative Tracking Index (CTI) (PLC)
 
 UL 746
Hot-wire Ignition (HWI) (PLC)
     UL 746
0.0591 in
 
  
0.0709 in
 
  
0.118 in
 
  
High Amp Arc Ignition (HAI) (PLC)
 
 UL 746
High Voltage Arc Resistance to Ignition (HVAR) (PLC)
 
 UL 746
Outdoor Suitability
 
 UL 746C
Inclined-Plane Tracking (2.50 kV)
min
 UL 746/ASTM D2303
Additional Information
Values are for injection molded plaques, fan-gated, 102.0 mm x 152.0 mm x 2.0 mm (4.000" x 6.000" x 0.080").
Tensile strength, elongation and tensile stress are measured across the flow direction - ISO type 1, ASTM die C.
This product may be manufactured by a third party under contract with Exxon Mobil Corporation or one of its affiliates, pursuant to a quality management system which complies with the requirements of ISO 9001:2008.
Legal Statement
For detailed Product Stewardship information, please contact Customer Service.

This product, including the product name, shall not be used or tested in any medical application without the prior written acknowledgement of ExxonMobil Chemical as to the intended use.
Related Terminology
This supplier and product may also be known by these terms: Exxon, Exxon Mobil, Exxon Mobile, Advanced Elastomer Systems, AES, Santroprene

Product names can be difficult to match. You may have searched any one of these terms to find this product: Santoprene™ 151-70W256, Santoprene 15170W256, Santoprene™ , Santoprene, Santoprene15170W256, 151, 151 70 W 256, 151-70W256, 15170W256, 151:70W256, 151/70W256, 151+70W256, 151_70W256, 151 70W256, 15170, 70W, W256, Thermoplastic Vulcanizate, TPV, Thermoplastic Elastomer, TPE, ExxonMobil, ThermoplasticVulcanizate, ThermoplasticElastomer, 70151
Agency Ratings
This plastic material has 3 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): EU (1), UL (2).
Injection Notes
Santoprene TPV is incompatible with acetal and PVC. For more information regarding processing and mold design, please consult our Injection Molding Guide.
Notes
1Typical properties: these are not to be construed as specifications.
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.