Products

DOWSIL™ 744 RTV Adhesive Sealant

  • Brand Name: DOWSIL™ 744 RTV Adhesive Sealant

  • Available Sizes:

    • 90 mL (3 oz) tubes
    • 310 mL (10.5 oz) cartridges
    • 20 L (approximately 250 kg) pail
  • Shelf Life: Approximately 12 months (1 year) from the date of manufacture.

DOWSIL™ 744 RTV Adhesive Sealant is a one-part, white, non-flowing, general-purpose moisture cure adhesive. It cures at room temperature to form a flexible rubber, providing high elongation for added stress relief. This adhesive is designed for applications requiring reliable adhesion and protection against moisture, environmental exposure, mechanical shock, and thermal cycling stress.

Applications:

  • Bonding large components such as batteries or capacitors to circuit boards.
  • Automated or manual needle dispensing systems.

Typical Properties:

Property Unit Value
Extrusion Rate g/min 190
Flow Rate – Slump cm 0.2
Tack-Free Time at 25°C minutes 30
Specific Gravity (Cured) 1.4
Tensile Strength MPa 2.6
Elongation at Break % 620
Tear Strength (Die B) kN/m 14
Unprimed Adhesion – Lap Shear to Aluminum MPa 3
Durometer Hardness Shore A 39
Dielectric Strength kV/mm 16
Volume Resistivity Ohm·cm 1.0 × 10¹⁵
Shelf Life at 25°C months 12
UL Flammability Classification 94-HB

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