Applications

DOWSIL™ SE 9186 L Sealant – Sealant – Electronics & PCB Protection

  • Item Name: DOWSIL™ SE 9186 L Sealant
  • Manufacturer: Dow Chemical Company
  • Technologies: Polydimethylsiloxane-based, one-part moisture cure sealant
  • Color: Translucent
  • Cure Type: Room temperature cure with optional heat acceleration
  • Package Size: Contact to Techniq VN for details.
  • Shelf Life: Contact to Techniq VN for details.

1. Product Overview

DOWSIL™ SE 9186 L Sealant is a one-part, translucent, fast tack-free, flowable silicone conformal coating/adhesive with controlled volatility. It cures at room temperature into a soft, low-stress elastomer and does not contain added solvents.

2. Applications

  • Conformal coating for rigid and flexible circuit boards
  • Spot protection on electronic components

3. Typical Properties

Property Unit Value
Type One-part
Color Translucent
Viscosity cP / Pa-sec 27,000 / 27
Specific Gravity (Cured) 1.02
Low Molecular Weight Siloxanes (D4-D10) ppm 23
Low Molecular Weight Siloxanes (D4-D20) ppm 169
Tack-Free Time (25°C) minutes 8
Cure Time (20°C, 55% RH, 1 mm) hours 5
Durometer Shore A 25
Tensile Strength MPa 1.6
Elongation % 340
Adhesive Strength (Glass) N/cm² 92
Dielectric Strength Volts/mil / kV/mm 575 / 23
Volume Resistivity Ohm.cm 6.0E+15
Dielectric Constant (1 MHz) 2.7
Dissipation Factor (1 MHz) 0.001

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