Insulating Fire Brick for Forge, 0.75 x 4.5 x 9, 2500F Rated, Pack of 6, Soft Fire Bricks for Wood Stove, Ovens, Fireplaces, Fire Pits, Kilns

HFK-25 is an insulating fire brick which can resist temperature up to 2500F. It has optimum thermal conductivity (K) factor which provides best insulation value of the equipment. It is made from high purity refractory clays with alumina & organic filler. Organic filler burns out during firing to give a uniform, controlled pore structure.

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Use these intermediate duty fire bricks to build new fireplaces, replace old or broken bricks in existing fixtures, in wood or coal stoves, furnaces and fireplace inserts. Use our Refractory Cement (610) for mortar. The bricks measure 9 x 4-1/2 x 1 1/4.

Rutland Products Fire Brick

Substantial Built: Insulating firebricks are shaped refractory products that belong to the groups of thermal insulation refractory bricks built with

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Insulating Fire Brick for Forge, 0.75 x 4.5 x 9, 2500F Rated, Pack of 6, Soft Fire Bricks for Wood Stove, Ovens, Fireplaces, Fire Pits, Kilns, Clay Firing, Jewelry Soldering, Heat

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Substantial Built: Insulating firebricks are shaped refractory products that belong to the groups of thermal insulation refractory firebrick built

Insulating FireBrick, 9 x 4.5 x 1.25, 2500F Rated, Set of 12 Fire Brick for Pizza Ovens, Kilns, Fireplaces, Forges, Wood Stoves, Heat Insulation

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Insulating Fire Bricks, 2500F Rated 2 Inch x 4.5 Inch x 9 Inches, Soft Fire Brick for Forge Jewelry Soldering Block Garden Pizza Oven Furnace Kiln Insulation – Pack of 8