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Elastosil M 4671 US                                                 



Elastosil M 4671 US A/B is a 55 duro RTV-2 silicone rubber.  It has superior mechanical properties.  It's a pourable, addition-curing silicone that can be vulcanized at room temperature, or at elevated temperatures to increase the rate of cure.


  •  cures to nominal 55 duro Shore A hardness
  •  non-shrink cure at room temperature
  •  cure can be considerably accelerated by the application of heat
  •  excellent long-term stability of cured product's mechanical properties
  •  good tear resistance

Basic Typical Physical Properties

RubberWorks RTV Data Sheet

Elastosil M 4671 US A/B

Property Test Procedure Component A   Component B
Appearance   Beige   Colourless
Density, 23 C, g/cm3 DIN 52 479 A 1.34   1.03
Viscosity, 23 C, cPs Brookfield 130,000   9,000
      Mixed 10:1 Ratio  
Hardness, Shore A DIN 53 505   55  
Tensile Strength, psi DIN 53 504 S3   720  
Elongation at Break, % DIN 53 504 S3   350  
Tear Resistance, ppi ASTM D624, B   > 60  
Linear Shrinkage, %     < 0.1  
Viscosity, 23 C, cPs Brookfield   80,000  
Appearance     Beige  
Typical Values Shown are not intended for use in the preparation of specifications

Contact RubberWorks for a complete Wacker Data Sheet describing this Elastosil product

M 4671 US is supplied in kits consisting of A and B Components

            Call RubberWorks for the detailed Wacker Elastosil Data Sheet


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Last modified: December 28, 2010

Elastosil, Semicosil, and Powersil are registered trademarks of Wacker Chemical.