Applications

DOWSIL™ EA-3800 Adhesive – Adhesive – Battery charger gap filling, Protection of devices

  • Item Name: DOWSIL™ EA-3800 Adhesive
  • Manufacturer: Dow
  • Technologies: Polydimethylsiloxane, One-part moisture cure adhesive
  • Color: White
  • Cure Type: Room temperature moisture cure
  • Package Size: Contact to Avantek for details.
  • Shelf Life: Contact to Avantek for details

1. Product Overview

DOWSIL™ EA-3800 is a one-part, white, moisture-cure adhesive based on polydimethylsiloxane. It requires no mixing, cures at room temperature, and is solventless. The adhesive is UL 94 V-0 rated for flammability resistance.

2. Applications

  • Battery charger gap filling
  • Protection of electronic devices

3. Typical Properties

Property Unit Value
Appearance White
Viscosity (Fresh State) cP 26,000
Specific Gravity (Cured) 1.76
Tack-Free Time (at 25°C) Minutes 5
Tensile Strength psi 400
Elongation % 34
Durometer Hardness (Shore A) 86
Lap Shear Strength to Aluminum psi 80
Dielectric Strength kV/mm 22.8
Volume Resistivity ohm·cm 2.38×10¹⁵
Dielectric Constant (100 Hz) 6.82
Dielectric Constant (100 kHz) 5.5
Dissipation Factor (100 Hz) 0.0044
Dissipation Factor (100 kHz) 0.0113
Thermal Conductivity W/mK 1.1
Flammability Classification UL 94 V-0

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