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For Use On For Use On |
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For Joining For Joining |
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For Use Outdoors For Use Outdoors |
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![]() | Material Certificate with Traceable Lot Number and Product Shelf Life |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Begins to Harden Begins to Harden |
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About Sealant Flexibility
More
Structural Submersible Sealants


The strongest submersible sealants we offer, these combine the mechanical strength of an adhesive with excellent sealing properties and high flexibility. They’re marine grade, so they stand up to water, corrosion from salt spray, mildew, and UV light. Sealants are non-sagging, so they won't drip from vertical and overhead surfaces.
Elongation indicates flexibility—the higher the values are, the more sealants can stretch. These sealants are good for use between dissimilar materials and in environments with wide temperature fluctuation. For high-wear applications, choose a harder sealant for the most abrasion resistance.
Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ORDER HISTORY after your order ships.
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Mfr. Model No. | Size, fl. oz. | Type | Begins to Harden | Reaches Full Strength | Elongation | Tensile Strength, psi | Hardness | Temp. Range, °F | For Joining | Choose a Color | Each | |
3M Polyurethane | ||||||||||||
5200 | 3 | Tube | 72 hrs. | 7 days | 700% | 700 | Hard (Durometer 68A) | -40° to 190° | Metal Metal to Composites Composites Wood | 00000000 | 000000 | |
5200 | 10 | Cartridge | 72 hrs. | 7 days | 700% | 700 | Hard (Durometer 68A) | -40° to 190° | Metal Metal to Composites Composites Wood | 00000000 | 00000 |