Applications

DOWSIL™ 844 RTV Adhesive Sealant – Adhesive/Sealant – Bonding and sealing of modules and multi-component assemblies

  • Item Name: DOWSIL™ 844 RTV Adhesive Sealant
  • Manufacturer: Dow Chemical Company
  • Technologies: One-part, non-flowing moisture cure adhesive
  • Color: Not specified
  • Cure Type: Room temperature moisture cure
  • Package Size: Contact to Avantek for details.
  • Shelf Life: 12 months

1. Product Overview

DOWSIL™ 844 RTV Adhesive Sealant is a one-part, non-flowing, moisture cure adhesive designed for fast room-temperature curing with high green strength and durable adhesion to a variety of substrates. It features a neutral alkoxy cure system and high elongation for stress relief.


2. Applications

  • Bonding/sealing of modules and multi-component assemblies
  • Formed-in-place gasketing
  • Suitable for automated or manual dispensing systems

3. Typical Properties

Property Unit Result
Extrusion Rate g/min 120
Flow – Slump cm ≤ 0.2 (0.6)
Tack-Free Time (25°C, 40% RH) minutes 25
Specific Gravity 1.35
Tensile Strength psi / MPa 320 / 2.2
Elongation % 400
Tensile Modulus psi / MPa 100 / 0.69
Tear Strength (Die B) ppi 35
Unprimed Adhesion – Lap Shear to Aluminum psi / MPa 180 min / 1.25
Durometer Hardness Shore A 37
Shelf Life months 12

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