Lynn Manufacturing Insulating Fire Brick, Heat Insulation Block, Low Thermal Conductivity, 1.25" x 4.5" x 9" Split, Single Pack, 2300-F Rated, for Kilns, Forges, Furnaces, Soldering, 3143P
Great insulator with low thermal conductivity and very low weight
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 1.1 lbs., 9" x 4.5" x 1.25”, alumina silica refractory ceramic clay brick
Well packed in bubble wrap to ensure delivery in good condition
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