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DOWSIL™ SE 1700 – Adhesive – Sealing & Bonding Applications

  • Item Name: DOWSIL™ SE 1700 Adhesive
  • Manufacturer: Dow
  • Technologies: Polydimethylsiloxane adhesive
  • Color: Translucent or White
  • Cure Type: Heat cure
  • Package Size: Contact to Techniq VN for details.
  • Shelf Life: 18 months

1. Product Overview

DOWSIL™ SE 1700 is a two-part, heat-cure, non-flowing silicone adhesive designed for high tensile strength applications. It offers good working time, rapid cure processing, and long-term reliability in PCB and electronics applications.

2. Applications

  • Sealing ceramic condensers
  • Sealing PCB components
  • Bonding agent for keypads of PCs

3. Typical Properties

Property Unit Value
Viscosity (Mixed) cP 542,000
Working Time @ 25°C Hours 8
Heat Cure Time @ 150°C Minutes 30
Specific Gravity (Cured) 1.13
Tensile Strength psi / MPa 985 / 6.8
Elongation % 355
Durometer Hardness (Shore A) 48
Lap Shear Strength to Aluminum psi / MPa 390 / 2.7
Dielectric Strength Volts/mil 550
Volume Resistivity ohm·cm 5.0E+14
Dielectric Constant @ 1 MHz 3.0
Dissipation Factor @ 1 MHz 0.001
Shelf Life @ 25°C Months 18

Additional Notes

  • Curing: Addition-curing, accelerated with heat.
  • Adhesion: Excellent on metals, ceramics, and glass without primers.
  • Temperature Range: -45°C to 200°C (long-term), -55°C possible with testing.
  • Compatibility: Avoid exposure to sulfur-containing materials and organotin compounds.
  • Solvent Resistance: Withstands intermittent solvent exposure but not continuous contact.

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BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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