Home Addition Cure Silicone Putty Condensation Cure

RTV Comparison                                                 

 

 

Here is a basic comparison of typical physical properties for the most commonly used Wacker grades of condensation cured Elastosil moldmaking materials.

RubberWorks

Elastosil Data Comparison

Condensation Cured RTV Silicone

Product: M 4511 US M 4512 US M 4514 US M 4541 US M 4542 US M 4470
Consistency: Pourable Pourable Pourable Pourable Pourable Pourable
Appearance: White White White White White Reddish Brown
Catalyst(s): T100US T121US T151US T100US T121US T151US T100US T121US T151US T100US T121US T151US T100US T121US T151US T 37

T40

Property Test Procedure ** Call Us For Data On Catalyst Loading & Cure Times **
Density, 23 C, g/cm3 DIN 52 479 A 1.22 1.19 1.25 1.16 1.28 1.44
Viscosity, 23C, cPs Brookfield 20,000 25,000 25,000 25,000 34,000 10,000
Hardness, Shore "A" DIN 53 505 12 20 25 30 40 60
Tensile Strength, psi DIN 53 504 S3 510 510 650 725 1000 650
Elongation at Break, % DIN 53 504 S3 600 500 450 400 280 120
Tear Resistance, ppi ASTM D624, B > 105 > 140 > 145 > 170 > 100 > 23
Linear Shrinkage, %   < 0.4 < 0.4 < 0.4 < 0.4 < 0.4 0.8

Catalyst Choice and Loading Determine many characteristics of these materialsAsk us for the complete Wacker Data Sheet for any Elastosil compound for details on Viscosity, Pot Life and Cure Times.  Other grades of Elastosil RTV materials are available - call us for details if you don't see what you need.

 

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Last modified: December 28, 2010

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