• Description for Dow SE 9186L

    Fast tack-free, non-corrosive, room-temperature-vulcanizing (RTV) solventless silicone conformal coating; controlled volatility.

    *See Terms of Use Below

    Application Type Conformal Coat, Sealant
    1 Part or 2 Part 1 Part
    Material Form Liquid, Silicone elastomer
    Substrate Glass
    Industry Connectors, Rigid circuit boards, Sensors, E-Mobility Solutions, Smart Meters, Smart Home Devices, Electronic components, Flexible circuit boards, Relays
    Manufacturer Dow
    Chemistry Silicone elastomer, Solvent-free, Polydimethylsiloxane
    Application Method Flow: Flow coating
    Cure Method Moisture, RTV
    Cure Temperature (°C) 20 to 25, 20
    Cure Time (min) 2,880, 300
    Viscosity (cPs) 27,000, Flowable, Controlled
    Color Black, Translucent
    Ozone Resistance Ozone resistance
    Chemical Resistance Good
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
  • Technical Data for Dow SE 9186L

    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Elastomer - Silicone elastomer
      • Liquid
    • Substrate
      • Glass
      • Other - Other substrates
    • Industry
      • E-Mobility Solutions
      • Electronics - Electronic components, Flexible circuit boards, Relays, Rigid circuit boards
      • Connectors
      • Sensors
      • Smart Meters
      • Smart Home Devices
      • Other - CD, DVD, HDD
    • Chemistry
    • Application Method
      • Dispenser - Syringe
      • Brush
      • Flow: Flow Coat - Flow coating
    • Cure Method
      • Moisture / Condensation Cure - Moisture
      • RTV (Room Temperature Vulcanization) - RTV
    • Color
      • Translucent
      • Black
    Cure Specs
    Cure Temperature (°C) 20 to 25, 20 Test Method
    Cure Time (min) 2,880, 300 Test Method
    Viscosity (cPs) 27,000, Flowable, Controlled
    Tack Free Time (min) Fast, 8 Test Method
    Work / Pot Time (min) >86,400 Test Method
    Bond Strength
    General Bond Strength (psi) 63 Test Method
    Shear Strength (psi) 140 Test Method
    Tensile Strength (psi) 1.6 (MPa)
    Material Resistance
    Ozone Resistance Ozone resistance
    Chemical Resistance Good
    UV Resistance UV resistance
    Environmental Resistance Environmental resistance
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Moisture/Humidity Resistance Moisture/humidity resistance
    Dissipation Factor 0.00100 Test Method
    Dielectric Strength (V/mil) 575 Test Method
    Dielectric Constant 2.70 Test Method
    Volume Resistivity (O) 6E+15 (ohms/cm) Test Method
    Shore A Hardness 25 Test Method
    Elongation (%) 340
    Other Properties
    Specific Gravity 1.020 Test Method
    Business Information
    Shelf Life Details Shelf life is indicated by the “Use Before” date found on the product label.
    Shelf Life Temperature (°F) 90
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 15
  • Best Practices for Dow SE 9186L

    *See Terms of Use Below

    1. Curing

      Time to cure is dependent on several variables including the method of application, film thickness, temperature and humidity. Tack-free time in the data table gives an indication of typical times until surface is dry enough to handle. Cure time for full cure are indications of time needed to develop full physical properties such as durometer, tensile strength or adhesion. These times, including full cure time, can be significantly improved by introducing mild heat of 60°C or less.

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
20 to 25°C Typical for a 5-mil thickness sample in 180° peel., 1.0 mm thickness, 20°C, 55% RH.
20°C 55% RH/1 mm
Cure Time Test Methods
Cure Time Test Method
2,880 min Typical for a 5-mil thickness sample in 180° peel., 1.0 mm thickness, 20°C, 55% RH.
300 min 55% RH/1 mm
Tack Free Time Test Methods
Tack Free Time Tack Free Temperature
8 min 25°C
Work / Pot Time Test Methods
Work / Pot Time Temperature
>86,400 min <29°C
Shear Strength Test Methods
Shear Strength Type Substrate
140 psi Lap shear strength Glass
General Bond Strength Test Methods
General Bond Strength Type Substrate
63 psi Adhesive Strength Glass
Dielectric Constant Test Methods
Dielectric Constant Test Method
2.70 Dielectric Constant @ 1MHz, JIS K 6249
Dielectric Strength Test Methods
Dielectric Strength Test Method
575 V/mil
Dissipation Factor Test Methods
Dissipation Factor Test Method
0.00100 Dissipation Factor @ 1MHz, JIS K 6249
Volume Resistivity Test Methods
Volume Resistivity Test Method
6E+15 (ohms/cm) JIS K 6249
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method
25 JIS
Specific Gravity Test Methods
Specific Gravity Test Method
1.020 Cured