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ExxonMobil Santoprene® 8271-55B100 Thermoplastic Elastomer  (discontinued **)
Categories: Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)

Material Notes: A soft, colorable, specialty, non-hygroscopic thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. It is especially formulated to bond to ABS, PS, PC, PMMA, ASA, PET and PPO/PS blends for applications where hard/soft combinations are required. The raw materials of this grade are listed in FDA regulations 21 CFR 177.1210 (Closures with sealing gaskets for food containers) and 21 CRF 177.2600 (Rubber articles intended for repeated use), or are considered as generally recognized as safe (GRAS). Also, this grade has passed the end use extraction testing required in these specific regulations for aqueous-based foods only, and it complies with the good manufacturing practices required in 21 CFR 110. This grade of Santoprene 8000 TPV is shear-dependent and can be processed on conventional thermoplastics equipment for injection molding or extrusion. It is polyolefin based and completely recyclable.

  • Designed for excellent adhesion onto ABS, PS, PC, PMMA and ASA (cold insert or 2K [two-shot] molding).
  • Recommended for applications requiring superior part surface appearance.
  • Designed for soft touch applications.

Information provided by Advanced Elastomer Systems

Key Words: EU 2003/11/EC; RoHS Compliant; FDA 21 CFR 177.1210; FDA 21 CFR 177.2600; NSF 51; UL QMFZ2; UL QMFZ8
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Specific Gravity 1.04 g/ccASTM D792
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 49Air at 212°F, 168 hr; ASTM D573
 61Air at 257°F, 168 hr; ASTM D573
 53
@Thickness 2.00 mm
ISO 868
Tensile Strength at Break 230.1 psiAir at 257°F, 168 hr; ASTM D573
 424.8 psiAir at 212°F, 168 hr; ASTM D573
 590 psiAcross Flow; ASTM D412
Tensile Strength, Ultimate 150 psiAcross Flow; ASTM D412
Elongation at Break 180 %Air at 257°F, 168 hr; ASTM D573
 516 %Air at 212°F, 168 hr; ASTM D573
 600 %Across Flow; ASTM D412
Compression Set 55 %
@Temperature 125 °C,
Time 252000 sec
ASTM D395
 
Processing PropertiesOriginal ValueComments
Melt Temperature 210 - 230 °FFor two-shot injection molding
 230 - 250 °FFor insertion injection molding
Mold Temperature 25.0 - 50.0 °C
 
Compliance PropertiesOriginal ValueComments
FDA YesSee notes for details.
 
Descriptive Properties
ColorNatural Color
FormPellets

**
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