Dow 839 Silicone Adhesive/Sealant

Dow 839 Silicone Adhesive/Sealant Datasheet
  • Description for Dow 839 Silicone Adhesive/Sealant

    Silicone adhesive sealant one-part, translucent blue, moisture cure adhesives are generally cured at room temperature, non-flowing, automated or manual needle dispensing systems.

    *See Terms of Use Below

    Application Type Bond, Seal
    1 Part or 2 Part 1 Part
    Material Form Liquid, Silicone elastomer
    Substrate Ceramics, Glass, Reactive metals, Plastics, Resins
    Industry Circuit boards, 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) 20 to 25
    Cure Time (min) 2,880
    Viscosity (cPs) Non-flow
    Color Blue, Translucent
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Extrusion Rate 179 (g/min)
  • Technical Data

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  • Best Practices

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Tack Free Time Test Methods
Tack Free Time Tack Free Temperature
35 min 25°C
Shear Strength Test Methods
Shear Strength Type
140 psi Lap shear strength
Dielectric Constant Test Methods
Dielectric Constant Test Method
2.51 Dielectric constant, 100 Hz
2.49 Dielectric constant, 100 KHz
Dissipation Factor Test Methods
Dissipation Factor Test Method
0.00090 Dissipation factor, 100 Hz
<0.00020 Dissipation factor, 100 KHz