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Master Bond MasterSil 709 One Part Silicone Meets MIL Spec

Category Polymer , Thermoset , Silicone
Manufacturer Master Bond Inc.
Trade Name Mastersil
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Master Bond MasterSil 709 One Part Silicone Meets MIL Spec.pdf
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Material Notes:
Description: MasterSil 709 is an easy to use, one component, high performance silicone elastomer compound for bonding, sealing, coating and formed in place gaskets. This unique product meets the MIL-A-46146 specification. It is non-corrosive, fast setting and flowable. It can be widely used for many applications, particularly in aerospace and electronics. MasterSil 709 bonds well to a wide variety of substrates. The rapidity of the cure depends on the thickness of the layer and the humidity; the thicker the layer the slower the cure. MasterSil 709 is serviceable over the broad temperature range of -75°F to +400°F. MasterSil 709 has a moderate viscosity with good flow properties that can also be used as a conformal coating for electronics. Its color is translucent. Key Features Meets MIL-A-46146 Fast, room temperature curing Moderate viscosity with good flow properties Non-corrosiveInformation provided by MasterBond®
Physical Properties Metric English Comments
Specific Gravity 1.07 g/cc
1.07 g/cc
Viscosity 30000 - 40000 cP
30000 - 40000 cP
Mechanical Properties Metric English Comments
Hardness, Shore A 25 - 35
25 - 35
Tensile Strength at Break 2.76 - 3.45 MPa
400 - 500 psi
Elongation at Break 300 - 400 %
300 - 400 %
Shear Strength 0.689 - 1.38 MPa
100 - 200 psi
Tensile, Al to Al
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 204 °C
400 °F
Minimum Service Temperature, Air -59.4 °C
-75.0 °F
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+15 ohm-cm
>= 1.00e+15 ohm-cm
Dielectric Constant 2.5

@Frequency 60.0 Hz,
Temperature 25.0 °C
2.5

@Frequency 60.0 Hz,
Temperature 77.0 °F
Dielectric Strength 19.7 kV/mm

@Thickness 3.17 mm
500 kV/in

@Thickness 0.125 in
Dissipation Factor 0.0010

@Frequency 60.0 Hz,
Temperature 25.0 °C
0.0010

@Frequency 60.0 Hz,
Temperature 77.0 °F
Processing Properties Metric English Comments
Cure Time 15.0 - 20.0 min
0.250 - 0.333 hour
Tack-free time
Shelf Life 6.00 Month

@Temperature 23.9 °C
6.00 Month

@Temperature 75.0 °F
in original unopened containers
Descriptive Properties Value Comments
Appearance Translucent
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