DOWSIL™ 786 Silicone Sealant - Mildew-Resistant Sealant

DOWSIL™ 786 Silicone Sealant

High-performance silicone sealant designed for nonporous surfaces in high-humidity and temperature-extreme environments, offering mildew resistance and long-lasting flexibility.

Key Features and Benefits

• Mildew Resistant: Cured sealant resists mildew growth, making it ideal for bathrooms and kitchens.
• Permanently Flexible: Maintains flexibility without shrinking, cracking, or crumbling, even after years of exposure.
• Stain and Spot Resistant: Prevents discoloration and retains its original design properties.
• High Durability: Designed for high-humidity environments and temperature extremes.
• Regulatory Compliant: Meets FDA Regulation No. 21 CFR 177.2600 and NSF standards.

Detailed Product Description

DOWSIL™ 786 Silicone Sealant is a premium one-part acetoxy silicone sealant formulated for sealing nonporous surfaces in areas exposed to high humidity and temperature fluctuations. It is particularly effective around showers, tubs, sinks, and plumbing fixtures, providing a durable seal that resists mildew growth and discoloration.

This sealant remains permanently flexible and resists cracking or crumbling, ensuring long-term reliability. It adheres well to surfaces like glass and nylon 6/6, making it a versatile choice for residential and commercial applications. With a tack-free time of just 20 minutes and a shelf life of up to 900 days, DOWSIL™ 786 Silicone Sealant is a dependable solution for demanding environments.

Learn more about the history of the DOWSIL™ brand and its transition from Dow Corning in our detailed blog post.

Applications

• Sealing around showers, tubs, sinks, and plumbing fixtures.
• Nonporous surfaces in kitchens, bathrooms, and other high-humidity areas.
• Residential and commercial construction projects requiring water-resistant seals.

Technical Specifications

• Product Type: Silicone Sealant
• Cure System: 1-Part Cure
• Adhesion: Glass, Nylon 6/6
• Chemistry: Acetoxy
• Colors Available: White, Clear
• Tack-Free Time: 20 minutes
• Durometer (Shore A): 25
• Tear Strength: 25 ppi
• Tensile Strength: 325 psi
• VOC Content: 22 g/liter
• Shelf Life: 900 Days

Available Sizes and Part Numbers

• 300mL / 10.1oz Tubes:
• White: PN 4074663
• Clear: PN 4074662

Why Choose DOWSIL™ 786 Silicone Sealant?

• Proven mildew resistance for humid environments.
• Durable and flexible for long-term performance.
• Backed by the trusted DOWSIL™ brand legacy.