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Ideal Industries Duct Seal Compound, MPN 31-601, is a one-pound block designed for sealing a variety of materials including metal, masonry, wood, and plastic. This compound has a specific gravity of 1.65 and is non-toxic. It is made using a blend of calcium carbonate, magnesium aluminum silicate, and crystalline quartz silica among other materials. This duct seal complies with UL standards, ensuring its reliability in various applications.
This duct seal is effective in preventing air and moisture leaks around junction boxes, flashings, and service entrances.
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