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Lynn Manufacturing Insulating Fire Brick, Heat Insulation Block, Low Thermal Conductivity, 2.5 x 4.5 x 9, Pack of 12, for Kilns, Forges, Furnaces, Soldering, 3126T
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 9 x 4.5 x 2.5”, alumina silica refractory ceramic clay brick Well packed in bubble wrap to ensure delivery in good condition Dimensions 39.37 x 39.37 x 19.69

Price is $145.00
Price: $144.85