- Applicable Materials: Metal
- Color: Black
- Compositions: Sodium Silicate Kaolin Clay Carbon Black
- Container Type: Tub
- Drying Time: 1 hr
- Form: Paste
- Net Content: 16 oz
- Odor/Scent: Mild
- Specific Gravity: 1.5 to 1.6
- Temperature Rating: 2000 deg F
Application: For installing or resetting furnaces or oil burners, to fill gaps between masonry and metal, prevents air and gas leaks in flue and chimney joints