DOWSIL Silicone Sealants – Multi-Purpose & High-Temp Industrial Grade Options

DOWSIL Silicone Sealants – Commercial-Grade Performance for Demanding Applications

DOWSIL silicone sealants are trusted across industrial, construction, and OEM sectors for their exceptional performance, long-term reliability, and broad application range. Whether you're managing HVAC system installations, electrical enclosure sealing, or high-temperature gasketing, the DOWSIL product line offers purpose-built solutions for commercial and technical buyers. At Bulk55, we stock DOWSIL sealants in various formats, sizes, and colors to meet your project requirements efficiently and affordably.

Explore DOWSIL Product Lines

Multi-Purpose Silicone Sealants (DOWSIL 732 Series)

The DOWSIL 732 series is a one-part, acetoxy-cure RTV silicone adhesive/sealant designed for general-purpose bonding and sealing. With excellent adhesion to glass, metal, ceramics, and plastics, this versatile sealant is ideal for indoor and outdoor use, resisting UV, moisture, and temperature fluctuations.

• DOWSIL 732 Multi-Purpose Aluminum – 10.1 oz (48 Count)
• DOWSIL 732 Multi-Purpose Black – 10.1 oz (48 Count)
• DOWSIL 732 Multi-Purpose Clear – 10.1 oz (48 Count)
• DOWSIL 732 Multi-Purpose Clear – 3 oz (48 Count)
• DOWSIL 732 Multi-Purpose Clear – 4.7 oz (48 Count)
• DOWSIL 732 Multi-Purpose White – 10.1 oz (48 Count)

These sealants are widely used in electrical cabinet assembly, commercial signage, HVAC ducting, and lighting fixture assembly—thanks to their fast cure time, flexible bonding, and clean appearance.

High-Temperature Silicone Sealants (DOWSIL 736 Series)

When sealing components exposed to extreme heat, the DOWSIL 736 series excels. These RTV silicone formulations withstand temperatures up to 500°F continuous and 600°F intermittent, making them indispensable for gasketing and sealing in high-heat environments.

• DOWSIL 736 High-Temperature Red – 3 oz (24 Count)
• DOWSIL 736 High-Temperature Red – 10.1 oz (24 Count)

These formulations are ideal for OEMs producing ovens, motors, or heat shields, as well as field technicians working on furnaces, flues, and combustion chambers. Their durable, flexible cured state helps maintain an air- and moisture-tight seal under thermal cycling conditions.

Why Choose DOWSIL from Bulk55?

• Available in bulk case quantities – ideal for operations and facilities management
• Direct supply chain sourcing to ensure consistent availability
• Product variations by size and color to match application demands

Every DOWSIL silicone sealant we carry has been vetted for professional environments. Whether your focus is industrial manufacturing, commercial HVAC, electrical assembly, or general maintenance, DOWSIL’s reputation for quality and longevity makes it a top-tier solution.

Explore individual product blogs above to dive deeper into specifications, features, and business-use case examples for each formulation. Or visit each product detail page directly to buy by the case and streamline procurement for your facility or project site.