Dow Dowsil 791 Black 300ml (Box of 24) Weatherproofing Sealant
Description
What is DOWSIL 791 Weatherproofing Sealant
A one-part, medium-modulus, neutral-curing silicone elastomeric sealant for weathersealing applications. It is available in multiple colors and cures to form a flexible and durable silicone rubber weatherseal joint for the building.
Uses
- General weathersealing joints
- Glazing and curtain wall weathersealing joints
- Building façade weathersealing joints
Benefits
- Ease of application – ready to use as supplied
- Excellent rheology, low string upon gunning
- Excellent weatherability, virtually unaffected by sunlight, rain, snow, ozone
- Medium-modulus
- ± 50% joint movement capability
- Low odor
- Sustainability: Low embodied carbon DOWSIL™ Silicone
- Project specific DOW Carbon Neutrality Certificate on request
- Externally verified carbon neutrality according to PAS 2060
- Carbon Neutrality with DOW carbon “INSETS” and reduce carbon footprint
- Green Building certification: contributes to getting additional credits
- Enhance carbon balance (>20x) with long-term durable façade silicones
Properties
Application Benefits
- Primerless Adhesion - Primerless
Product Use and Formulating
- Cure System- 1-Part Cure
- Room Temperature Cure Days - 7 to 14 Days
- Tack-free Time (50% RH) - 45 Minutes
- Where Used - Job Site
- Working Time - 20 Minutes
Typical Properties
- Adhesion to - Alodine Aluminum, Aluminum, Anodized Aluminum, Brickwork, Concrete, Enamelled and Reflective Glass, Extruded Mill Finish, Fluorocarbon Coated Aluminum, Glass, Granite, Heat Strengthened Glass, Light-Weight Stone Panels, Limestone, Low E Coated Glass, Marble, Masonry, Metal, Metal Panels, Paint, Plastic, Polyester Powder Coated Aluminum/Steel, Silicone, Stainless Steel, Steel, Stone, Vinyl/PVC-U, Wood
- Appearance - Opaque
- Chemistry - Neutral
- Color - Black, Bronze, Camel, Grey, Limestone, Precast White, White
- Durometer - Shore A 25-30
- Flow/Sag (Slump)- 0 mm
- Movement - Medium
- Movement Capability -50 to 50 %
- Specific Gravity @ 25°C - 1.51
- Substrate- Non-porous
- Tensile Adhesion (T/A) - 120 psi
- Volatile Organic Content- 45 g/liter
Features
Colour
Black
Grout / Silicone Colour
Black
Product Type
- Construction Sealants
Product URL
https://www.dow.com/en-us/pdp.dowsil-791-weatherproofing-sealant.04082594h.html#tech-content
Size
300ml Cartridge (Box of 24)
Variations
Reviews
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