Adhesive Sealant & Lubricant
Weatherproofing Sealant DOWSIL™ 791
A one-part, medium-modulus, neutral-curing silicone elastomeric sealant for weathersealing applications. It is available in a multiple colors and cures to form a flexible and durable silicone rubber weatherseal joint for the building.
Typical Properties
Application Benefits
Processing-Formulating Benefits
| 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 |
Application Benefits
| Primerless Adhesion | Primerless |
Processing-Formulating Benefits
| 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 |
