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Elastocon® STK40

Thermoplastic Elastomer

Supplied by Elastocon TPE Technologies

The technical datasheet with complete property values for Elastocon® STK40 is available to members of the Prospector Plastics Database.
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Product Description
Elastocon® STK40 thermoplastic elastomer has been developed for applications that require ultra soft rubber-like properties and a good surface finish. Elastocon® STK40 is well suited for consumer goods and industrial applications requiring non-slip/soft touch ergonomics, sound and vibration dampening, improved impact resistance, and U.V. stability. Elastocon® STK40 can be overmolded to PC, ABS, PC/ABS, and copolyester.
General  
Material Status 
  • Commercial: Active
Availability 
  • Europe
  • North America
  
Features 
  • Good Impact Resistance
  • Good Surface Finish
  • Good UV Resistance
  • Soft
  • Sound Damping
  • Vibration Damping
Uses 
  • Consumer Applications
  • Industrial Applications
  • Overmolding
Forms 
  • Pellets
Processing Method 
  • Blow Molding
  • Extrusion
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Elastomers
Nominal Value
Unit
Test Method
Tensile Stress (100% Strain)
psi
 ASTM D412
Tensile Strength (Yield)
psi
 ASTM D412
Tensile Elongation (Break)
%
 ASTM D412
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness (Shore A)
 
 ASTM D2240
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Elastocon® STK40, Elastocon STK40, Elastocon® , Elastocon, ElastoconSTK40, STK 40, STK40, Thermoplastic Elastomer, TPE, ThermoplasticElastomer, 40STK
Features
Features may also be described by the following terms: Good Impact Resistance, Good Surface Finish, Good UV Resistance, UV Resistant, Ultraviolet Resistant, Ultraviolet Light Resistant.
Injection
Nominal Value
Unit
 
Rear Temperature
°F
  
Front Temperature
°F
  
Nozzle Temperature
°F
  
Mold Temperature
°F
  
Back Pressure
psi
  
Injection Notes
Elastocon® thermoplastic elastomers are shear dependent and have been formulated to process on conventional thermoplastic equipment for injection molding, extrusion or blow molding. Our tests have shown that overmolding onto a non-gloss, matte surface finish will help optimize overmold adhesion to the substrate. Be sure to incorporate mechanical interlocks and 1:1 through holes whenever possible when designing two shot components. Feathered edges should always be avoided to ensure adequate and consistant shut off against the substrate, while also eliminating exposed tapered edges that can be subject to adhesive failure.

Injection Rate: 1 to 5 in/sec
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.