DOWSIL SE 9186 Sealant

Harmonization Code : 3506.91.90.99 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other

DOWSIL SE 9186 Sealant

Main features

  • Fast Room-Temperature Sealing Cure
  • Self-Leveling Flowable Placement
  • Controlled-Volatility Silicone Formulation

Product Description

DOWSIL™ SE 9186 Black, Clear or White Adhesive is a one-part, moisture-curing silicone adhesive-sealant that cures at room temperature to a soft, low-stress elastomer. Formulated with controlled silicone volatility and a flowable, self-leveling consistency, this solventless adhesive is engineered specifically for sealing electronic equipment and fixing parts on circuit boards. Its fast tack-free time helps accelerate in-line processing without the need for curing ovens, enhancing overall manufacturing throughput.

Key features

  • Fast room temperature cure: Tack-free in 8 minutes, enabling faster in-line processing without ovens while allowing for heat acceleration if desired.
  • Flowable and self-leveling: Easily fills gaps and levels itself after dispensing, making it ideal for complex circuit board geometries.
  • Controlled volatility: Reduced potential for silicone volatiles protects sensitive electronic modules and components.

Applications / Suitable for

  • Sealing of electronic equipment and modules
  • Parts fixing on circuit boards
  • Sealing against potential stress cracks

Technical Specifications

General Properties
ColorColor
Black, Translucent or White
Component SystemComponent System
1k
Specific GravitySpecific Gravity
1.35
Physical Properties
ViscosityViscosity
64,000 mPa.s
Mechanical Properties
ElongationElongation
550 %
Physical Properties
Tack-Free TimeTack-Free Time
8 minutes
Electrical Properties
Dielectric StrengthDielectric Strength
23 kV/mm
Volume ResistivityVolume Resistivity
2.0 E+16 Ohms⋅cm

Additional Information

Technical properties

As-supplied / before-processing properties

Typical properties; these values are not intended for use in preparing specifications.

Property Value Unit Method / condition
Color Black, Translucent or White - One-part
Viscosity 64,000 cP -
Tack-Free Time 8 minutes at 25°C
Technical properties

After-processing / final-state properties

Typical properties; these values are not intended for use in preparing specifications.

Property Value Unit Method / condition
Specific Gravity 1.03 - Cured
Durometer 20 Shore A -
Tensile Strength 360 psi -
Elongation 550 % -
Adhesion Lap Shear 185 psi Glass
Dielectric Strength 575 volts/mil -
Volume Resistivity 2.0E+16 ohm*cm -

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