DOWSIL™ 734 Flowable Sealant - Self-Leveling RTV Silicone

Dow Chemicial

RTV734-30ZCLR_EACH

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DOWSIL™ 734 Flowable Sealant

Flowable, self-leveling RTV silicone sealant for industrial sealing and bonding applications requiring fine joint coverage and water resistance.

Key Features and Benefits

  • Flowable and Self-Leveling: Ideal for applications requiring coverage of fine joints and cable connectors.
  • Fast Room-Temperature Cure: Cures quickly upon exposure to air moisture with an acetoxy cure system.
  • Versatile Applications: Suitable for industrial sealing, bonding, and field repairs.
  • Durable and Flexible: Remains stable in temperatures from -65°C (-85°F) to +180°C (+356°F).
  • Excellent Dielectric Properties: Ensures electrical insulation for sensitive applications.
  • Complies with MIL-A-46106: Certified for demanding industrial and aerospace requirements.

Detailed Product Description

DOWSIL™ 734 Flowable Sealant is a one-part RTV silicone elastomer designed for general-purpose industrial sealing and bonding. This self-leveling sealant is particularly effective for fine joints, cable entries, and repairs in existing equipment. It adheres well to a variety of substrates and provides excellent water-tight seals.

The acetoxy cure system ensures easy application and fast tack-free times, making it ideal for time-sensitive projects. Once cured, the sealant forms a tough, flexible rubber with excellent temperature and dielectric properties. Available in both clear and white formulations, DOWSIL™ 734 is suitable for a wide range of industries, including electronics, manufacturing, and aerospace.

This product was originally branded as Dow Corning. Learn more about the rebranding in our detailed blog post.

Applications

  • Sealing assemblies with fine joints.
  • Waterproofing cable entries and connectors.
  • Field repairs on existing silicone-encapsulated equipment.
  • General sealing and bonding applications in industrial environments.

Technical Specifications

  • Product Type: RTV Adhesive/Sealant
  • Cure Type: Moisture
  • Number of Parts: 1
  • Appearance: Clear or White
  • Temperature Range: -65°C to +180°C (-85°F to +356°F)
  • Tear Strength: 17.1 ppi
  • Durometer: 27 Shore A
  • Tensile Strength: 217.6 psi
  • Dielectric Strength: 431.8 volts per mil

Available Sizes and Part Numbers

Size Color Packaging Part Number
3 oz / 90mL White Squeeze Tube 4102964 / 1968751
3 oz / 90mL Clear Squeeze Tube 4102963
10.1 oz / 300mL White Cartridge 4102962 / 99179270
10.1 oz / 300mL Clear Cartridge 4101942 / 99179310
4.5 kg / 10lb White Pail 1954067
4.5 kg / 10lb Clear Pail 2025612
18 kg White Pail 1954067
18 kg Clear Pail 4102353

Why Choose DOWSIL™ 734 Flowable Sealant?

  • Easy-to-apply, self-leveling formula for fine joint coverage.
  • Provides water-tight seals for industrial and electronic assemblies.
  • Suitable for repairs and bonding in demanding conditions.

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