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

K23 Insulating Firebrick 9 x 4.5 x 2.5 Thermal Ceramics 2300F Case

Electrically insulating PBO/MXene film with superior thermal

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Insulating Fire Brick - Comprised mainly of Alumina, Silica, & Calcium Oxide Withstand temperatures up to 2300° F Great for Personal Projects on

Insulating FireBrick 9 X 4.5 X 2.5 in (6 Pieces)

K23 Insulating Firebrick 4.5 x 4.5 x .75 Fire Brick Thermal

IFB 2600 9 x 4.5 x 2.5″ – Smith-Sharpe Fire Brick Supply

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

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K26 Insulating Firebrick 2600F. Find higher temp rated and high-grade Insulating Firebrick shapes and sizes 2300F 2600F 3300F. Find high quality

K26 Insulating Firebrick 9 x 4.5 x 2.5 Fire Brick Thermal Ceramics 2600F Qty 1

K20 INSULATING FIREBRICK 4.5 x 4.5 x 2.5 Morgan Thermal Ceramics

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JD18-JH Crystalline Kiln

Super Duty Hardbrick FireBrick Splits 9 X 4.5 X 1.25

Insulating Bricks