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Description for Dow 3145 RTV Clear Adhesive/Sealant
Noncorrosive; high tensile strength, elongation, peel and lap shear values, contains UV indicator for automated inspection; non-flow.Application Type Bond, Seal, Gaskets 1 Part or 2 Part 1 Part Material Form Pre-Cure: Paste, Post-Cure: Elastomer Substrate Ceramics, Glass, Reactive metals, Selected plastics, Aluminum, Resins Industry Circuit boards, Light Emitting Diodes (LEDs), E-Mobility Solutions, Smart Meters, Power Tools, Smart Home Devices, CRT module, Electrical leads, Electronic equipment, Electronics, LCD module, Modules, PDP module, Power supplies, PWBs Manufacturer Dow Chemistry Silicone elastomer Cure Method Moisture, RTV Cure Temperature (°C) Faster or lower, 20 to 25, 20 to 25 Viscosity (cPs) Non-flow Color Clear High Temperature Resistance (°C) 200 Low Temperature Resistance (°C) -45, -55 Key Specifications Mil-Spec (United States Military Standard): MIL-A-46146 Group II; Mil Spec A-46146 QPL, Mil-Spec (United States Military Standard): A-46146: MIL-A-46146 Group II; Mil Spec A-46146 QPL
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Tack Free Time Test Methods
| Tack Free Time | Tack Free Temperature |
|---|---|
| Fast |
Shear Strength Test Methods
| Shear Strength | Type | Substrate |
|---|---|---|
| High | Lap shear strength | |
| 1,990 psi | Lap Shear strength | Aluminum |
Tear Strength Test Methods
| Tear Strength | Test Method |
|---|---|
| 223 (ppi) | Die B |
| High |
Dielectric Constant Test Methods
| Dielectric Constant | Test Method |
|---|---|
| 2.83 | Dielectric Constant 100 Hz |
| 2.83 | Dielectric Constant 100 KHz |
Dissipation Factor Test Methods
| Dissipation Factor | Test Method |
|---|---|
| 0.00050 | Dissipation Factor 100 Hz |
| <0.00020 | Dissipation Factor 100 KHz |
Modulus Test Methods
| Modulus | Test Method |
|---|---|
| 138 psi | Tensile Modulus |
