DOWSIL™ 734 Flowable Sealant is a one-part, acetoxy-cure silicone adhesive/sealant renowned for its self-leveling properties and versatility in industrial applications. It cures at room temperature upon exposure to moisture, forming a durable, flexible rubber suitable for sealing fine joints, cable entries, and connectors to ensure watertight integrity.
Product Overview
Cure System : Acetoxy (releases acetic acid during curing)
Cure Time : Tack-free in approximately 13 minutes; full cure in 24 hours at room temperature
Operating Temperature : -65°C to +180°C (intermittent peaks up to +205°C)
Colors Available : Clear and white
Packaging Options : Available in 90 mL tubes, 300 mL cartridges, and 18 kg pails
Certifications : Complies with MIL-A-46106, UL 94 HB, FDA 21 CFR 177.2600, and NSF 51
Key Features
Flowable and Self-Leveling : Ideal for applications requiring a smooth, even seal
Excellent Dielectric Properties : Dielectric strength of approximately 17 kV/mm
Mechanical Properties:
* Hardness: Shore A 27
* Tensile Strength: 1.5 MPa
* Elongation at Break: 315%
Adhesion : Good adhesion to a variety of substrates, including metals, glass, ceramics, and plastics
Weather Resistance : Resistant to ozone, UV radiation, and temperature extremes
Applications
Industrial Sealing : Sealing assemblies with fine joints, cable entries, and connectors
Formed-in-Place Gaskets : Creating custom gaskets for compressors, gearboxes, and pumps
Conformal Coating : Coating mechanical devices and electrical terminals
Potting : Encapsulating electrical terminals and components
Safety and Handling
Ventilation : Use in well-ventilated areas to avoid inhalation of acetic acid vapors released during curing
Skin and Eye Contact : Avoid contact; use appropriate personal protective equipment
Storage : Store in a cool, dry place away from direct sunlight
Shelf Life : Up to 12 months when stored in unopened containers at or below 27°C
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