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Master Bond adhesives

Wacker Lumisil® LR 7601/70 Liquid Silicone Rubber
Categories: Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes: Injection Moldable, crystal Clear, Two Component. This grade has good heat and UV resistance. It finds uses in lighting and optical sensors.

LR 7601 does not contain silica fillers so its viscosity is nearly independent of shear rate over a long range.
Key Words: LSR
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Viscosity  28000 cP
@Shear Rate 10 1/s		28000 cP
@Shear Rate 10 1/s
 31000 cP
@Shear Rate 1 1/s		31000 cP
@Shear Rate 1 1/s
Linear Mold Shrinkage 0.029 cm/cm
@Treatment Temp. 165 °C,
Time 900 sec		0.029 in/in
@Treatment Temp. 329 °F,
Time 0.250 hour
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 7070
Tensile Strength 9.00 MPa1310 psi
Elongation at Break 90 %90 %
Tear Strength 10.0 kN/m57.1 pliWithout postcuring; ASTM D624B
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.411.41nD25
 
Processing PropertiesMetricEnglishComments
Cure Time 15.0 min
@Temperature 165 °C		0.250 hour
@Temperature 329 °F

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PWACK003 / 192615




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