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About Sealant Flexibility
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Structural Noncorrosive Silicone Sealants


Also known as neutral cure, this sealant won't discolor copper, brass, and concrete. It is a structural sealant that combines the mechanical strength of an adhesive with excellent sealing properties and high flexibility. It’s non-sagging, so it won't drip from vertical and overhead surfaces. Made from silicone, this sealant is RTV (room-temperature vulcanizing).
Elongation and joint compression/expansion tolerance indicate flexibility—the higher the values are, the more joint movement a sealant can sustain. This sealant is best suited to joints between similar materials that aren't exposed to wide temperature fluctuation.
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Mfr. Model No. | Size, fl. oz. | Type | Begins to Harden | Reaches Full Strength | Elongation | Joint Compression/ Expansion Tolerance | Tensile Strength, psi | Hardness | Temp. Range, °F | For Joining | Color | Each | |
Dow Corning Silicone | |||||||||||||
995 | 10.3 | Cartridge | 65 min. | 14 days | 525% | -50% to 50% | 350 | Medium Soft (Durometer 40A) | -40° to 300° | Metal | Black | 0000000 | 000000 |
995 | 20 | Sausage Pack | 65 min. | 14 days | 525% | -50% to 50% | 350 | Medium Soft (Durometer 40A) | -40° to 300° | Metal | Black | 0000000 | 00000 |
Primer (16-oz. Bottle) | 0000000 | Each | 000000 |