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About Sealants
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Select a sealant that can stretch, contract, and expand enough for your joints.
Self-Leveling Silicone Rubber Sealants
 |  |
Cartridge | Tube |
Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish. Made from silicone rubber, sealants are RTV (room-temperature vulcanizing).
Elongation and joint compression/expansion tolerance indicate flexibility—the higher the values are, the more joint movement sealants can sustain. Sealants that are good for joining dissimilar materials also work well in environments with wide temperature fluctuation.
Container | Temp., ° F | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, fl. oz. | Type | Begins to Harden, min. | Reaches Full Strength, hr. | Elongation | Joint Compression/Expansion Tolerance | Tensile Strength, psi | Hardness Rating | Min. | Max. | For Joining | Primer Req. for Use On | Choose a Color (Clarity) | Each | |||
Dow Silicone Rubber | |||||||||||||||||
| 734 | 3 | Tube | 15 | 24 | 315% | -25% to 25% | 215 | Soft (Durometer 27A) | -85 | 350 | Glass Metal Plastic Rubber Metal to Glass Metal to Plastic Metal to Rubber Plastic to Glass Plastic to Rubber Rubber to Glass | ABS Aluminum Stainless Steel Steel Galvanized Steel | Clear (Clear), White (Opaque) | 75825A5 | 000000 | ||
| 734 | 10.1 | Cartridge | 15 | 24 | 315% | -25% to 25% | 215 | Soft (Durometer 27A) | -85 | 350 | Glass Metal Plastic Rubber Metal to Glass Metal to Plastic Metal to Rubber Plastic to Glass Plastic to Rubber Rubber to Glass | ABS Aluminum Stainless Steel Steel Galvanized Steel | Clear (Clear), White (Opaque) | 75825A6 | 00000 | ||
