- Great insulators with low thermal conductivity and very low weight
- Sold as single bricks, well packed in bubble wrap to ensure safe delivery
- Easy to shape, cut, and carve with wood working tools
- Used for kilns, forges, furnaces, knife making, PMC metal clay firing, jewelry casting, or jewelry soldering block
- Specifications: 2300F rated, weight 2.1lbs.,
- Rectangular: 9" x 4.5" x 2.5”
- Arch: 9" x 4.5" x 3" to 2.64" taper
- All made of alumina silica refractory ceramic clay brick
