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				| Dow Corning 3-7509 |  |  |  | Dow Corning 3-7509 Silicone Sealant is intended for use as a secondary sealant in a dual-sealed insulating glass unit. A primary seal, typically polyisobutylene, is required to prevent moisture vapor from transmitting into the airspace of the insulating glass unit.
 Dow Corning 3-7509 Silicone Sealant can bond the individual components, forming a weather-resistant unit capable of being certified to a CBA rating by an independent test laboratory in accordance with industry standards.
 |  |  |  | Physical Form : Uniform, viscous paste Specific Gravity : 1.04
 Tack Free Time, minutes : 10
 Extrusion Rate : 295
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