HomeProducts RTV-1 Silicone Rubber Adhesive and Sealant Dowsil™ 737 - Neutral Cure Rtv Silicone Sealant for Appliance And Electronics Assembly
Dowsil™ 737 - Neutral Cure Rtv Silicone Sealant for Appliance And Electronics Assembly

Dowsil™ 737 - Neutral Cure Rtv Silicone Sealant for Appliance And Electronics Assembly

Multipurpose, one-part sealant for application in a wide range of industrial assembly and installation operations.
PRODUCTS DESCRIPTION

It is a room-temperature vulcanizing (RTV) silicone formulated for durable bonding and sealing across a wide range of industrial substrates. It cures via moisture exposure to form a flexible, non-corrosive elastomer with excellent resistance to weathering, UV radiation, and thermal cycling. 


Offering primerless adhesion to metals, plastics, glass, and painted surfaces, it is ideal for appliance assembly, electrical insulation, and general-purpose gasketing. Its fast skin-over time and non-slumping paste consistency make it suitable for vertical and overhead applications in both OEM and maintenance environments.

products parameters

Composition:Silicone Rubber
Appearance:Clear to translucent
Durometer : 33 Shore A
Elongation:> 300 %
Peel Strength:20 ppi
Specific Gracity @ 25°C:1.04
Packaging:300ml




key features

  • Primerless adhesion to diverse substrates – Bonds effectively to plastics, metals, glass, painted surfaces, and rubbers without the need for primers, simplifying processing and reducing preparation time.


  • Fast oxime cure at room temperature – Cures upon exposure to ambient moisture with a skin-over time of 3–6 minutes and tack-free time of ~14 minutes, reaching handling strength within 24 hours for efficient throughput.


  • Non-corrosive to metals and plastics – Formulated to avoid chemical reactions with most substrates, making it suitable for sensitive electronic and industrial assemblies (see product limitations for exceptions).


  • Stable performance across wide temperatures – Remains flexible and functional from −65°C to 177°C (−85°F to 350°F), supporting applications exposed to thermal cycling or harsh environments.


  • Durable silicone rubber with weather resistance

    – Cured material is 100% silicone rubber, offering long-term resistance to UV, rain, snow, and temperature extremes without slumping or sagging.


Application
  • Appliance Manufacturing – Used for bonding and sealing components in household and commercial appliances, especially where flexibility and moisture resistance are required.


  • Electronics – Applied in waterproofing, gasketing, and insulating electronic modules, connectors, and housings to protect against environmental stress.


  • Telecommunications – Suitable for sealing and bonding in telecom devices and enclosures, helping maintain signal integrity and environmental protection.


  • Industrial Equipment – Used for general-purpose sealing and bonding in machinery, control panels, and instrumentation, offering vibration resistance and long-term durability.



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