MILLPACBLACKX90ML Mill-Pac Black 90 ml Tube of High-Temperature Sealant for Vented Heat Appliances

The MILLPACBLACKX90ML is a 90 ml. tube of non-toxic Mill-Pack Black sealant for gas heaters. Mill-Pack Black sealant is an organically bound caulk that is inert to combustion byproducts.

MILLPACBLACKX90ML is designed to expand and seal cracks in direct vent heaters, fireplaces, and direct vent systems. The sealant has a maximum operating temperature of up to 1050°F (565°C.)

This high-performance Mill-Pac Black sealant resists erosion, providing a reliable and long-lasting seal.