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Rectorseal - 81881 RectorSeal Duct Seal Compound is a gray, soft, non-toxic, putty-type compound that adheres to most clean dry surfaces. Duct Seal Compound is asbestos-free; it will not damage plastic materials, corrode metals, or have adverse effect on human skin.
Features
- Can be hand applied from 25°F to 120°F
- Air/water-tight seal
- Resistant to water, alcohols, mild acids bases
- Non-corrosive / non-irritant
