Applications

DOWSIL™ CC-8033 UV and Moisture Dual Cure – Conformal Coating – Electronics & Industrial

Item Name: DOWSIL™ CC-8033 UV and Moisture Dual Cure Conformal Coating Adhesive
Manufacturer: The Dow Chemical Company
Technologies: UV and Moisture Dual Cure
Color: Translucent
Cure Type: UV cure with secondary moisture cure
Package Size: Contact to Avantek for details.
Shelf Life: Contact to Avantek for details.

1. Product Overview

DOWSIL™ CC-8033 is a one-part, translucent conformal coating that offers dual curing via UV and moisture. It is sprayable, flowable, and thixotropic, making it ideal for various electronic applications.


2. Applications

  • E-motor
  • Automotive boards & assemblies
  • Power supplies & modules
  • Power tools
  • Control units
  • Connector pin/solder joint coverage
  • Home appliances
  • Rigid circuit boards

3. Typical Properties

Before Curing

Property Value Unit Test Method
Color Translucent CTM10176
Non-volatile Content 95 % CTM1067
Viscosity 15,000 cp CTM0050

After Curing

Property Value Unit Test Method
Specific Gravity 1.0 CTM0022
Hardness 30 Shore A CTM0099
Tensile Strength 150 psi CTM0137
Elongation 105 % CTM0137
Dielectric Strength 415 Volts/mil CTM0114
Volume Resistivity 1.10E13 ohm-cm CTM0249
Dielectric Constant (100 Hz) 2.66 CTM0543
Dielectric Constant (100 kHz) 2.66 CTM0543
Dissipation Factor (100 Hz) 0.0054 CTM0543
Dissipation Factor (100 kHz) <0.002 CTM0543

4. Processing & Curing

  • Primary Cure: UV or LED
    • Recommended Wavelength: 365 nm
    • Depth of Cure: Up to 6.2 mm (dependent on dosage)
    • Tack-free surface after UV/LED curing
  • Secondary Cure: Moisture
    • Tack-free time: 48-72 hours

5. Temperature Performance

  • Operational Range: -40°C to 150°C
  • High temperature durability depends on time and exposure levels.
  • Thermal cycling performance at -40°C should be tested for specific applications.

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