Versatile, one-part RTV adhesive/sealant offering excellent adhesion to most materials, fast curing, and exceptional weather resistance. Ideal for industrial assembly and waterproofing applications.
Key Features and Benefits
Primerless Adhesion: Adheres to a wide variety of materials, including metals, plastics, glass, and rubbers.
Fast Curing: Rapid cure for quick installation and assembly.
No Slump or Sag: Stays in place for clean, professional application on vertical and horizontal surfaces.
Broad Temperature Performance: Remains flexible in extreme temperatures from -85°F to 350°F (-65°C to 177°C).
Exceptional Weather Resistance: Protects against UV light, rain, snow, and temperature extremes.
Detailed Product Description
DOWSIL™ 737 Neutral Cure Sealant is a multipurpose RTV adhesive/sealant designed for a variety of industrial assembly and installation operations. It provides primerless adhesion to most materials, eliminating the need for mechanical fasteners in many applications. This high-performance sealant cures at room temperature to form a durable, flexible bond that withstands extreme temperatures and weather conditions.
With superior adhesion to metals, plastics, painted surfaces, and glass, DOWSIL™ 737 is ideal for sealing refrigerator liners, adhering trim applications, and protecting electrical components. Its non-slumping formula ensures clean, precise application on vertical and horizontal surfaces.
Originally branded under Dow Corning, this product is now part of the DOWSIL™ line. Learn more about the transition in our detailed blog post.
Applications
Substitute for mechanical fasteners in appliance assembly.
Sealing refrigerator and freezer liners.
Waterproofing electrical components and coaxial connectors.
Adhering plastic moldings and decals to various substrates.
Sealing and protecting instrumentation assemblies.
Technical Specifications
Product Type: RTV Adhesive/Sealant
Cure System: Neutral Cure
Number of Parts: 1
Temperature Range: -85°F to 350°F (-65°C to 177°C)
Shelf Life: 720 Days
Color Options: Clear, Black, White
Durometer: 33 Shore A
Elongation: >300%
Tensile Strength: >175 psi
Available Sizes and Part Numbers
Size
Color
Part Number
3 oz / 90ml
Clear
4098499
10.1 oz / 300ml
Clear
4098498
4.5 kg / 8lb
Clear
4003560
10.1 oz / 300ml
Black
4001479 / 4099911
4.5 kg / 8lb
Black
4003582
10.1 oz / 300ml
White
4100011
Why Choose DOWSIL™ 737 Neutral Cure Sealant?
Flexible and durable performance across a broad temperature range.
Excellent weather resistance for long-term protection.
Primerless adhesion to most common materials.
Versatile for industrial, electrical, and assembly applications.
