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Description for Dow SE 4410 Encapsulant
• Two-part • Heat cure • Polydimethylsiloxane encapsulant • Flexible elastomer •Durable dielectric insulationChemical Resistance Good Application Type Bond, Pot, Encapsulant 1 Part or 2 Part 2 Part Material Form Liquid, Silicone elastomer Substrate Aluminum Industry Electronic, Heat sink, Sensors, High-voltage transformer, Ink jet printer heads, IC Manufacturer Dow Chemistry Silicone elastomer, Polydimethylsiloxane Cure Method 2 Parts, Heat cure Cure Temperature (°C) 150, 150, 70 Cure Time (min) 30, 60, 30 Viscosity (cPs) Low, 3,000, Flowable Color Gray Ozone Resistance Ozone resistance High Temperature Resistance (°C) 200 Low Temperature Resistance (°C) -45, -55 Key Specifications UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association): UL 94: UL 94 V-0
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Cure Temperature Test Methods
Cure Temperature | Cure Time Test Method |
---|---|
150°C | Time to 90 percent of final hardness and adhesion or 90 percent of curve height for elastic modulus additional time may be required for the part to warm to near oven temperature. |
150°C | Heat Cure Time |
70°C | Pre-cure time |
Cure Time Test Methods
Cure Time | Test Method |
---|---|
30 min | Time to 90 percent of final hardness and adhesion or 90 percent of curve height for elastic modulus additional time may be required for the part to warm to near oven temperature. |
60 min | Heat Cure Time |
30 min | Pre-cure time |
Viscosity Test Methods
Viscosity | Test Method |
---|---|
Low | |
3,000 cPs | Mixed |
Flowable |
Work / Pot Time Test Methods
Work / Pot Time | Test Method | Temperature |
---|---|---|
360 min | Pot Life – hours | 25°C |
Shear Strength Test Methods
Shear Strength | Type | Substrate | Test Method |
---|---|---|---|
580 psi | Lap shear | Aluminum | Unprimed Adhesion |
Dielectric Constant Test Methods
Dielectric Constant | Test Method |
---|---|
4.40 | At 1 MHz |
Dissipation Factor Test Methods
Dissipation Factor | Test Method |
---|---|
2E-03 | At 1 MHz |
Thermal Conductivity Test Methods
Thermal Conductivity | Temperature |
---|---|
Moderate | |
0.92 W/m°K | 25°C |
Shore A Hardness Test Methods
Shore A Hardness | Shore Hardness Test Method |
---|---|
88 | Durometer Shore A (JIS) |
Specific Gravity Test Methods
Specific Gravity | Test Method |
---|---|
2.150 | Cured |