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Rulon Bearings

NuSil Lightspan™ LS-6140 Silicone, Optical Adhesive Elastomer
Categories: Polymer; Adhesive; Thermoset; Silicone

Material Notes: General Purpose: Optical Adhesives and Elastomer

Comments: Low Volitility, non-phenyl containing

Applications: Bonding, Encapsulant, Dispersing Phosphor

Information provided by NuSil

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Physical PropertiesMetricEnglishComments
Viscosity >= 2550 cP>= 2550 cPB
 >= 3700 cP>= 3700 cPA
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 5050
Tensile Strength at Break 5.90 MPa856 psi
Elongation at Break 90 %90 %
 
Thermal PropertiesMetricEnglishComments
CTE, linear 400 µm/m-°C222 µin/in-°F
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.40
@Wavelength 589 nm
1.40
@Wavelength 589 nm
 
Processing PropertiesMetricEnglishComments
Cure Time 15.0 min
@Temperature 150 °C
0.250 hour
@Temperature 302 °F
Working Life 180 min180 min
 
Descriptive Properties
Mix Ratio1:1

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