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About Sealant Flexibility
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Submersible Sealants
These non-sagging sealants will not drip while hardening on vertical and overhead surfaces. They’re marine grade, so they stand up to water, corrosion from salt spray, mildew, and UV light.
Sika Sikaflex sealants meet NSF/ANSI 61 safety standards for use with drinking water.
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 | Specifications Met | For Joining | Choose a Color | Each | |
Sika Sikaflex Polyurethane | |||||||||||||
291 | 10.1 | Cartridge | 60 min. | 3 days | 500% | -12.5% to 12.5% | Medium Soft (Durometer 40A) | -40° to 190° | NSF/ANSI 61 | Metal | 000000 | 000000 |
Primer for Sika Sikaflex Sealants (3.4 fl. oz Bottle) | 0000000 | Each | 000000 |