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Dow Corning JCR 6140

Category Polymer , Adhesive , Thermoset , Silicone
Manufacturer Dow Corning
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Dow Corning JCR 6140.pdf
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Material Notes:
Two-part, transparent, medium modulus LED encapsulant with high transparency and medium viscosity.Information provided by Dow Corning
Physical Properties Metric English Comments
Specific Gravity 1.00 g/cc

@Temperature 25.0 °C
1.00 g/cc

@Temperature 77.0 °F
Mechanical Properties Metric English Comments
Hardness, Shore A 40
40
Tensile Strength, Ultimate 2.500 MPa
362.6 psi
Elongation at Break 110 %
110 %
Modulus of Elasticity 0.00100 GPa
0.145 ksi
Shear Strength 0.00965 MPa
1.40 psi
Optical Properties Metric English Comments
Refractive Index 1.399
1.399
1.406
1.406
1.397

@Wavelength 1554 nm
1.397

@Wavelength 1554 nm
Transmission, Visible 90 %
90 %
transparent; thickness not quantified
Electrical Properties Metric English Comments
Volume Resistivity 2.10e+14 ohm-cm
2.10e+14 ohm-cm
Dielectric Constant 2.8

@Frequency 1.00e+6 Hz
2.8

@Frequency 1.00e+6 Hz
Dielectric Strength 0.339 kV/mm
8.60 kV/in
Processing Properties Metric English Comments
Cure Time 60.0 min

@Temperature 150 °C
1.00 hour

@Temperature 302 °F
Shelf Life 6.00 Month
6.00 Month
Descriptive Properties Value Comments
Appearance clear
Mix Ratio (X:1) 100
Base to Catalyst ETN
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