About this item High Thermal Insulation – This high temp ceramic fiber board has maximum use temperature of up to 2300F, has low thermal conductivity, low heat storage, and resists thermal shock Dimensions – Aluminosilicate refractory ceramic fiber insulation board measures 24″ x 12″ x 0.47″ Thick in size (Pack of 2) | Density: 20 – 24 lbs/ft³ Easy to Cut – This fireproof insulation board can be easily cut with a knife or hacksaw blade and can be drilled and machined; This ceramic board is not as strong as fire brick, it dents easily Versatile Uses – This insulation board can be used in various types of heating equipment such as wood stoves, fireplaces, pizza ovens, kilns, forges, internal baffle of wood stoves, pellet stoves, backup insulation of refractory bricks and castable linings, furnace hot face linings and boiler wall insulation, heat shields, combustion chambers, and fire protection Compressive Strength – Vacuum cast ceramic fiber refractory board has strength at 25% deformation – 78 PSI, Permanent Linear Shrinkage – 3.5% Max at 2200F when exposed to 24 hours soaking heat, Loss on Ignition (LOI) at 1832F: 4-7%
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