Applications

DOWSIL™ SE 1720 CV – Adhesive – Sealing and Bonding for PCB Module Components

• Item Name: DOWSIL™ SE 1720 CV Adhesive
• Manufacturer: Dow Chemical Company
• Technologies: Two-part, addition-curing silicone adhesive
• Color: White
• Cure Type: Heat cure
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 9 months

1. Product Overview

DOWSIL™ SE 1720 CV Adhesive is a two-part, 1:1 mix, white, flowable adhesive with controlled volatility. It offers rapid curing through heat and provides strong adhesion to various substrates.

Key Features & Benefits:

  • Flowable, self-leveling adhesive
  • 1:1 mix ratio for easy processing
  • Heat-curable with adjustable cure schedules
  • Long working time after mixing
  • Low silicone volatility (D4-D10: 75 ppm)
  • No added solvents

2. Applications

  • Automated or manual needle dispensing
  • Sealing ceramic condensers
  • Sealing PCB module components
  • Bonding keypads in electronic devices

3. Typical Properties

Unmixed Properties

Property Unit Part A Part B Mixed
Viscosity cP 37,700 41,900 89,700
Working Time (25°C) Hours 6

Curing Properties

Property Condition Time
Heat Cure 70°C 50 min
Heat Cure 80°C 30 min
Heat Cure 100°C 10 min

Cured Properties

Property Unit Result
Specific Gravity 1.06
Tensile Strength MPa 3.3
Elongation % 375
Durometer Hardness Shore A 33
Lap Shear Strength (Al) MPa 1.6
Dielectric Strength kV/mm 26
Volume Resistivity ohm·cm 3.0E+16
Dielectric Constant @1MHz 2.7

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