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About Sealant Flexibility
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Silicone Sealants
Made from silicone, these sealants are RTV (room-temperature vulcanizing). They’re non-sagging, so they won't drip from vertical and overhead surfaces.
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.
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| Mfr. Model No. | Size, fl. oz. | Type | Begins to Harden | Reaches Full Strength | Elongation | Joint Compression/ Expansion Tolerance | Hardness | Temp. Range, °F | For Joining | Specifications Met | Clarity | Color | Each | |
Momentive/GE Silicone | ||||||||||||||
| RTV230 A/B | 13.5 | Syringe | 5 min. | 24 hrs. | 280% | -25% to 25% | Soft (Durometer 36A) | -55° to 400° | Metal Metal to Plastic Metal to Rubber Metal to Glass Plastic Plastic to Rubber Plastic to Glass Rubber Rubber to Glass Glass Masonry | UL 94 HB | Opaque | White | 00000000 | 0000000 |