Dow Corning® 795 Silicone Building Sealant - …

1 Product Information Silicone Sealants Dow corning 795 Silicone Building Sealant FEATURES & BENEFITS Neutral, one-part Silicone Sealant Suitable for most new construction and remedial sealing applications APPLICATIONS. Versatile high performance Structural and nonstructural glazing structural glazing and weather Structural attachment of many panel systems sealing from a single product Panel stiffener applications Available in 16 standard colors; Weather sealing of most common construction materials including glass, custom colors also available aluminum, steel, painted metal, EIFS, granite and other stone, concrete, brick Excellent weatherability virtually and plastics unaffected by sunlight, rain, snow, ozone and temperature extremes of TYPICAL PROPERTIES.

2 -40 F (-40 C) to 300 F (149 C) Specification Writers: These values are not intended for use in preparing Excellent unprimed adhesion to a specifications. Please contact your local Dow corning sales office or your Global wide variety of construction Dow corning Connection before writing specifications on this product. materials and Building components, including anodized, Test Property Unit Result alodined, most coated and many Kynar 1-painted aluminums2 As Supplied Ease of application ready to use ASTM C 679 Tack-Free Time, 50% RH hours 3. as supplied Ease of use all-temperature Curing Time at 25 C (77оF) and days 7 14.

3 50% RH. gunnability, easy tooling and low- odor cure byproduct Full Adhesion days 14 21. Meets global standards (Americas, ASTM C 639 Flow, Sag or Slump Inches (mm) ( ). Asia and Europe). Working Time minutes 20 30. COMPOSITION VOC Content g/L 28. One-part, neutral-cure, RTV As Cured-After 21 days at 25 C (77 F) and 50% RH. Silicone Sealant ASTM D 2240 Durometer Hardness, Shore A points 35. ASTM C 794 Peel Strength lb/in (kg/cm) 32 ( ). ASTM C 1135 Tension Adhesion Strength At 25% extension psi (MPa) 45 ( ). At 50% extension psi (MPa) 60 ( ). ASTM C 719 Joint Movement Capability percent 50.

4 ASTM C 1248 Staining (granite, marble, lime- Stone, None brick and concrete). As Cured-After 21 days at 25 C (77 F) and 50% RH followed by 10,000 hours in a QUV weatherometer, ASTM G 53. ASTM C 1135 Tensile Adhesion Strength At 25% extension psi (MPa) 35 ( ). At 50% extension psi (MPa) 50 ( ). 1. 1. Kynar is a trademark of Atofina Chemicals Inc. Based on South Coast Air Quality Management District of California. Maximum VOC is listed both 2 inclusive and exclusive of water and exempt compounds. For a VOC data sheet for a specific Sealant Contact your local Dow corning Sales Application Engineer for specifics.

5 Color, please send your request to DESCRIPTION COLORS HANDLING. Dow corning 795 Silicone Building Dow corning 795 Silicone Building PRECAUTIONS. Sealant is a one-part, neutral-cure, Sealant is available in 16 colors: PRODUCT SAFETY. architectural-grade Sealant that easily white, limestone, champagne, natural INFORMATION REQUIRED FOR. extrudes in any weather and cures stone, gray, black, bronze, sandstone, SAFE USE IS NOT INCLUDED IN. quickly at room temperature. This adobe tan, dusty rose, rustic brick, THIS DOCUMENT. BEFORE. cold-applied, non-sagging Silicone blue spruce, anodized aluminum, and HANDLING, READ PRODUCT.

6 Material cures to a medium- modulus charcoal. Custom colors may be AND SAFETY DATA SHEETS. Silicone rubber upon exposure to ordered to match virtually any AND CONTAINER LABELS FOR. atmospheric moisture. The cured substrate. SAFE USE, PHYSICAL AND. Sealant is durable and flexible enough HEALTH HAZARD. to accommodate 50 percent HOW TO USE INFORMATION. THE SAFETY. movement of original joint dimension Please consult the Dow corning DATA SHEET IS AVAILABLE ON. when installed in a properly designed Americas Technical Manual, Form THE DOW corning WEBSITE. weather seal joint.

7 In a properly No. 62-1112, for detailed information AT , OR. designed structurally glazed joint, the on state-of-the- art application FROM YOUR DOW corning . Sealant is strong enough to support methods and joint design. Please SALES APPLICATION. glass and other panel materials under contact your local Dow corning Sales ENGINEER, OR DISTRIBUTOR, high wind load. Application Engineer for specific OR BY CALLING. advice. DOW corning CUSTOMER. APPROVALS/ SERVICE. SPECIFICATIONS Preparation Dow corning 795 Silicone Building Clean all joints, removing all foreign USABLE LIFE AND.

8 Sealant meets the requirements of: matter and contaminants such as STORAGE. Federal Specification TT-S 001 grease, oil, dust, water, frost, surface When stored at or below 27 C (80 F), 543A (COM-NBS) Class A for dirt, old sealants or glazing Dow corning 795 Silicone Building Silicone Building sealants compounds and protective coatings. Sealant has a shelf life of 12 months Federal Specification TT-S- from the date of manufacture. Refer to 00230C (COM-NBS) Class A for Application Method product packaging for Use By Date.. one- component Building sealants Install backing material or joint filler, ASTM Specification C 920 Type setting blocks, spacer shims and tapes.

9 Mask areas adjacent to joints to ensure PACKAGING. S, Grade NS, Class 50, Use NT, G, neat Sealant lines. Primer is generally INFORMATION. A and O. not required on non-porous surfaces, Dow corning 795 Silicone Building ASTM Specification C 1184 for Sealant is supplied in oz (305- structural Silicone sealants but may be necessary for optimal sealing of certain porous surfaces. A mL) disposable plastic cartridges that Canadian Specification CAN2- fit ordinary caulking guns, 20-fl oz M82 test placement is always recommended. Apply Dow corning (590- mL) sausages and 2- and 795 Silicone Building Sealant in a ( and 1 7-L) bulk containers.

10 Continuous operation using positive pressure. (The Sealant can be applied LIMITATIONS. using many types of air-operated guns Dow corning 795 Silicone Building and most types of bulk dispensing Sealant should not be used: equipment.) Before a skin forms In structural applications without (typically within 15 minutes), tool the prior review and approval by your Sealant with light pressure to spread local Dow corning Sales the Sealant against the backing Application Engineer material and joint surfaces. Remove In below-grade applications masking tape as soon as the bead is When surface temperatures exceed tooled.