- Color: Light Brown
- Compositions: Calcium Aluminate Cement Cristobalite Quartz
- Container Type: Tub
- Curing Time: 24 hr
- Form: Solid
- Net Content: 12 lb
- Odor/Scent: Earthy
- Specific Gravity: 2.6 to 2.7
- Temperature Rating: 2200 deg F
Application: For furnaces, wood and coal stoves, free-standing fireplaces and outdoor fire pit, fill cracks and large holes in masonry firebox