K-25 (2500 F) Insulating Fire Brick: 9 x 6 x 2.5

Soft insulating fire bricks (IFB) are used for general kiln construction because they are lightweight and easy to cut without the use of special saws

Rutland Tan Ceramic Fire Brick - Ace Hardware

BuildShield Termite & Firestop Barrier BuildBlock Building Systems

Optimizing the thermophysical qualities of innovative clay–rGO

K-25 (2500 F) Insulating Fire Brick: 9 x 6 x 2.5

Owens Corning Eco Touch 15 in. W X 25 ft. L 30 Unfaced Fiberglass

Insulating Fire Bricks 2500F 0.75 inch x 4.5 inch x 9 inch IFB Box of 6 Fire Bricks for Fireplaces, Pizza Ovens, Kilns, Forges

It is made from high purity refractory clays with alumina & organic filler. Stove Insulation- Wood burning Stove, coal burning stove, rocket stove.

9x4.5x1.25 Insulating Firebrick IFB 2500F Pack of 12 Fire Brick

High Temperature Insulation: Firebricks are rated up to the temperature of 2500F, 1.25 Inch x 4.5 Inch x 9 Inch Low Thermal Conductivity, Low Heat

SIMOND STORE Insulating Fire Bricks, 2500F Rated, 1.25 x 4.5 x 9, Soft Fire Bricks for Forge Pizza Oven Wood Stove Kiln Furnace Fireplace Jewelry

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.

Simond Store 25 Insulating Fire Bricks 2500F 1.25in x 4.5in x 9in IFB Box of 12 Fire Bricks, White

Super Duty Hardbrick FireBrick Splits 9 X 4.5 X 1.25