Home Addition Cure Silicone Putty Condensation Cure

Elastosil M 4514 US                                                 



Elastosil M 4514 US is a 25 duro RTV-2 silicone rubber.  This condensation-curing high strength silicone vulcanizes at room temperature to a low hardness.


  •  cures to nominal 25 duro Shore A hardness
  •  very good flow and self-deaeration
  •  high elongation and elasticity - excellent tear strength

Basic Typical Physical Properties

RubberWorks RTV Data Sheet

Elastosil M 4514 US

Property Test Procedure Value
Appearance   White
Density, 23 C, g/cm3 DIN 52 479 A 1.26
Viscosity, 23 C, cPs Brookfield 35,000
Catalyzed and Cured with 10 wt% Catalyst T121 Blue/Clear
Hardness, Shore A DIN 53 505 25
Tensile Strength, psi DIN 53 504 S3 650
Elongation at Break, % DIN 53 504 S3 550
Tear Resistance, ppi ASTM D624, B 140
Linear Shrinkage, %   0.4
Viscosity, 23 C, cPs Brookfield 25,000

Typical Values shown are not intended for use in the preparation of specifications

Elastosil M 4514 US is available in 18 kg Pails and will be supplied with Catalyst T121 Blue/Clear

            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.