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Sumitomo Chemical ESPOLEX® WT487X Thermoplastic Elastomer
Categories: Polymer; Thermoplastic; Elastomer, TPE

Material Notes: ESPOLEX® TPE Series is a group of thermoplastic elastomers produced by Sumitomo Chemical Company. Among its material advantages, ESPOLEX® TPE Series is distinguished by offering many low-density grades that can provide substantial weight and cost savings over higher-density thermoplastic elastomers. In this regard, SUMITOMO CHEMICAL introduces specific gravity as a significant factor in reducing unit cost and weight. Products molded from ESPOLEX® TPE Series exhibit rubber-like properties that range from a soft elastic to a semi-hard rubber material. Like all thermoplastic elastomers, ESPOLEX® TPE Series offers substantial savings over thermoset rubber in manufacturing since it is processed using standard thermoplastic processing equipment and techniques, and it does not require the vulcanization required by conventional rubbers.

Information provided by Sumitomo Chemical

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Physical PropertiesOriginal ValueComments
Density 0.880 g/ccASTM D792
Melt Flow 4.4 g/10 min
@Load 2.20 kg
ASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 920 Sec Delay; ASTM D2240
Hardness, Shore D 380 Sec Delay; ASTM D2240
Tensile Strength at Break 7.70 MPaASTM D412
Elongation at Break 430 %ASTM D412
Flexural Modulus 140 MPaASTM D790
Tear Strength 53.0 kN/mASTM D624
 
Processing PropertiesOriginal ValueComments
Middle Barrel Temperature 200 - 245 °C
Mold Temperature 30.0 - 50.0 °C

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PSUMIT008 / 99778

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