Dow -DOWSIL™ 790 Silicone Building Sealant

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A one-part silicone formulation that cures in the presence of atmospheric moisture to produce a durable, fire-resistant, flexible and ultra-low-modulus silicone rubber building joint seal.


Category: caulking compounds | caulks | elastomeric sealants...

MasterFormat: Joint Protection | Joint Fillers | Joint Sealants



Dow
Corporate Center
PO Box 994
Midland, MI 48686
Tel: (586) 496-4000

https://www.dow.com/en-us.html

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Overview


DOWSIL™ 790 Silicone Building Sealant

A one-part silicone formulation that cures in the presence of atmospheric moisture to produce a durable, fire-resistant, flexible and ultra-low-modulus silicone rubber building joint seal.

Simply the best-performing weatherseal for stone, concrete and masonry construction

For over 50 years, DOWSIL™ 790 Silicone Building Sealant has been the standard for weathersealing performance in new construction and renovation applications around the world, especially on stone and masonry surfaces. A neutral-cure, one-part sealant that quickly cures to a durable, flexible seal, its excellent movement capabilities (+100/-50 percent of the original joint width) make it ideal for sealing expansion and control joints, precast concrete panels and seismic joints, and EIFS joints. The wide range of colors available makes it easy to match your project.


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Specifications

Typical Properties

Adhesion to

Brickwork, Ceramic, Concrete, Extruded Mill Finish, Glass, Granite, Heat Strengthened Glass, Light-Weight Stone Panels, Limestone, Low E Coated Glass, Marble, Masonry, Paint, Silicone, Stone, Wood

Appearance

Opaque

Chemistry

Neutral

Color

Adobe Tan, Black, Blue Spruce, Bronze, Charcoal Gray, Dusty Rose, Gray, Limestone, Natural Stone, Precast White, Rustic Brick, Sandstone, White

Cure System

1-Part Cure

Durometer - Shore A

15 Shore A

Movement

High

Number of Parts

One

Peel Strength

25 ppi

Primerless Adhesion

Primerless

Resistance Type

Thermal Resistance, UV Resistance, Water Resistance

Room Temperature Cure - Hours

168 to 336 Hours

Shelf Life

360 Days

Substrate

Porous

Tack-Free Time-50% RH

60 Minutes

Tensile Strength

100 psi

Volatile Organic Content

23 g/liter

Water Resistant

Yes

Where Used

Job Site

Working Time

10 to 20 Minutes