Gardner Bender Duct Seal Compound Plugs is a dough-like material that is easy to handle. This material helps seal and protect gaps, holes and conduit openings against dust, moisture, drafts and noise. This material is non-toxic, non-corrosive and non-staining. This seal can be used in temperatures that range between -20F up to 350F.

• Dough-like material; Not for use outdoors
• Viscosity: ASTM D-217 300-gram load - 7.0 -11.0; ASTM DS-S2 100-gram load - 9.0 -15.1
• Temperature Range: Adheres at -20 deg F (-29 deg C). Will not slump after 1 hr. at 350 deg F (175 deg C)
• Flash Point: Over 550 deg F (285 deg C)
• Other Properties: Non-conducting, non-deteriorating, non-toxic, non-corrosive, non-staining, non-curable; 99% solid, coil-based
• Helps seal conduit openings, gaps and holes against drafts, dust, moisture and noise
• Easy to handle