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Here is a basic comparison of typical physical properties
for the most commonly used Wacker grades of condensation
cured Elastosil moldmaking materials.
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RubberWorks
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Elastosil Data Comparison
Condensation Cured
RTV
Silicone Compounds |
|
M 4470 |
|
M 4511 |
M 4512 |
M 4514 |
M 4541 |
| Consistency |
Pourable |
|
Pourable |
Pourable |
Pourable |
Pourable |
| Appearance |
Reddish Brown |
|
White |
White |
White |
White |
| Catalyst(s) |
T37 or T40 |
|
T121 or T126 |
T121 or T126 |
T121 or T126 |
T121 or T126 |
| Property |
Test Procedure |
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| Density, 23º C, g/cm3 |
DIN 52 479 A |
1.44 |
|
1.22 |
1.19 |
1.25 |
1.16 |
| Viscosity, 23º C, cPs |
Brookfield |
10,000 |
|
20,000 |
25,000 |
25,000 |
25,000 |
| Hardness, Shore A |
DIN 53 505 |
60 |
|
12 |
20 |
25 |
30 |
| Tensile Strength, psi |
DIN 53 504 S3 |
650 |
|
510 |
510 |
650 |
725 |
| Elongation at Break, % |
DIN 53 504 S3 |
120 |
|
600 |
500 |
450 |
400 |
| Tear Resistance, ppi |
ASTM D624, B |
> 23 |
|
> 105 |
> 140 |
> 145 |
> 170 |
| Linear Shrinkage, % |
0.8 |
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0.4 |
0.4 |
0.4 |
0.5 |
| Catalyst Choice and Loading Determine many
characteristics of these materials. Ask us for the complete Wacker Data Sheet for
any Elastosil compound for details on Viscosity, Pot
Life and Cure Time.
Other grades of Elastosil
RTV materials are available - call us for details
if you don't see what you need. |
Just Announced ...
4 New Elastosil compounds added to the line-up of tin-cure
materials
M 3502US is a
thixotropic version of M 4514 ... same hardness but comes
in a non-sag paste
M 3504US is a
thixotropic version of M 4541 ... same hardness but comes
in a non-sag paste
M 3502US
and M 3504US are both suitable for use on vertical
surfaces
M 4509US is a
10 durometer, high elongation and tear strength,
translucent compound
M 4510US is a
14 durometer, high elongation and tear strength,
translucent compound
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Delivery Information
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