Dow Dowsil CY 52-276 Gel

Dow Dowsil CY 52-276 Gel Datasheet
  • Description for Dow Dowsil CY 52-276 Gel

    A two-part, clear, 1:1 mix ratio, gel with controlled volatility.<br/>

    *See Terms of Use Below

    Brand Dowsil
    Application Type Encapsulants
    1 Part or 2 Part 2 Part
    Material Form Gel
    Industry Isolate circuits from the harmful effects of moisture, E-Mobility Solutions, Smart Meters, Smart Home Devices, Protect circuits from thermal and mechanical stresses, Optoelectronics, Isolate circuits from the harmful effects of other contaminants , Protect interconnections from thermal and mechanical stresses
    Manufacturer Dow
    Chemistry Silicone, Solvent-free
    Cure Method 2-Part Cure
    Cure Temperature (°C) Low, 70
    Cure Time (min) 30
    Viscosity (cPs) Low, Controlled flow
    Color Clear
    Chemical Resistance Resistance to some fuels
    Relative Solvent Resistance Chemical Resistance: Resistance to some solvents
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Elastomeric Elastomer
    Light Refractive Index (RI) High
  • Technical Data for Dow Dowsil CY 52-276 Gel

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 2 Part
    • Material Form
      • Gel
    • Substrate
      • Other - Extremely soft material
    • Industry
      • E-Mobility Solutions
      • Electronics - Isolate circuits from the harmful effects of moisture, Protect circuits from thermal and mechanical stresses, Optoelectronics, Isolate circuits from the harmful effects of other contaminants , Protect interconnections from thermal and mechanical stresses
      • Smart Meters
      • Smart Home Devices
      • Industrial - Delicate components
      • Other - Sensitive applications
    • Chemistry
    • Application Method
      • Other - Automated meter mixing
    • Cure Method
      • 2-Part Cure
    • Color
      • Clear / Transparent - Clear
    • Brand
      • Dowsil
    • Also Known As
      • Old Name - CY 52-276 Kit
    Specifications
    Cure Specs
    Cure Temperature (°C) Low, 70 Test Method
    Cure Time (min) 30 Test Method
    Viscosity (cPs) Low, Controlled flow
    Work / Pot Time (min) 30 Test Method
    Thixotropic Thixotropic
    Mix Ratio 1:1
    Material Resistance
    Chemical Resistance Resistance to some fuels
    Relative Solvent Resistance Chemical Resistance: Resistance to some solvents
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Moisture/Humidity Resistance Moisture/humidity resistance
    Conductivity
    Dissipation Factor <0.00010, <0.00010 Test Method
    Dielectric Strength (V/mil) 350, Electrical insulation for high voltages
    Dielectric Constant 2.50 Test Method
    Volume Resistivity (O) 1.0 E+15 (ohm*cm)
    Hardness
    Dimensional Stability Dimensional stability
    Elastomeric Elastomer
    Flexibility Resilient
    Other Properties
    Light Refractive Index (RI) High
    Specific Gravity 0.980 Test Method
    Coefficient of Thermal Expansion (CTE) 200 (Linear (micron/m °C or ppm ))
    Business Information
    Shelf Life Details Storage conditions and shelf life (“Use By” date) are indicated on the product label.
    Shelf Life Temperature (°F) 77
    Shelf Life (mon) 18
    Not Good For
    Don't Use For Some solder flux residues, Polysulfones, Other sulfur containing materials, Unsaturated hydrocarbon plasticizers, Sulfur, Polysulfides, Organotin compounds, Other organometallic compounds
    Don't Use With Silicone rubber containing organotin catalyst
  • Best Practices for Dow Dowsil CY 52-276 Gel

    *See Terms of Use Below

    1. Deairing/Degassing

      Some gels are supplied in bladder packs that avoid direct air contact with the liquid gel components, allowing use of air pressure over the pack in a pressure pot for dispensing. Do not apply air pressure directly to the liquid gel surface (without the bladder pack) as the gel can become supersaturated with air and bubbling can occur when the material is dispensed and cured. Use of bladder packs prevents bubbling, maintains cleanliness and avoids gel contamination. Gels can be dispensed manually or by using one of the available types of meter mix equipment. If possible, the potential for entrapment and incorporation of gas (typically air) should be considered during design of the part and selection of a process to dispense the gel. This is especially important with higher-viscosity and faster curing gels. Degassing at > 28 inches (10–20 mm) Hg vacuum may be necessary to ensure a void-free, protective layer.

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    *See Terms of Use Below

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
Low
70°C Heat Cure
Cure Time Test Methods
Cure Time Test Method
30 min Heat Cure
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
30 min Pot Life 25°C
Dielectric Constant Test Methods
Dielectric Constant Test Method
2.50 1 MHz
Dissipation Factor Test Methods
Dissipation Factor Test Method
<0.00010 At 100 hz
<0.00010 At 100 kHz
Specific Gravity Test Methods
Specific Gravity Test Method
0.980 Cured or uncured A & B.