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Protect and seal your HVAC, duct, and electrical systems with DOWSIL 748 Silicone Sealant. This flexible, food-grade sealant provides long-lasting protection against mildew and mold, while maintaining its integrity in extreme temperatures from -67°F to 350°F. With a 7-day full cure time and 30-minute working time, it's perfect for applications requiring a quick seal. Meets or exceeds stringent standards, including FDA, NSF, and UL 94 HB. Ideal for use in residential and commercial settings, this sealant ensures a secure and airtight seal, reducing energy consumption and preventing costly repairs.
Silicone Sealant, Color White, Application HVAC, Duct and Electrical, Container Size 10 oz, Container Type Cartridge, Resistance Properties Mildew Resistant, Mold Resistant, Sealant Properties Flexible, Food Grade, Standards FDA 21 CFR 177.2600, NSF 51, NSF 61, UL 94 HB, Elongation 350 Percent, Full Cure Time 7 day, Maximum Performance Temperature 350 Degrees F, Minimum Performance Temperature -67 Degrees F, Working Time 30 min