What ceramic fiberboard is more suitable for fireplace insulation?

I received an inquiry from Mr. Alan about 1000 * 500 * 30mm ceramic fiberboard in July and I replied Alan immediately after receiving his email.

Simond Store Ceramic Fiber Insulation Roll, 2400F 1315C 1 X 24 X 25', High Density Fireproof Insulating Blanket for Wood Stoves

Simond Store Ceramic Fiber Insulation Board, 2300F, 1 Inch X 12 Inch X 12 Inch, Ceramic Thermal Insulation Board for Wood Stoves Fireplaces Furnaces Forges Kiln Pizza Oven

Ceramic fiber hearth board, ceramic board insulation

Door Core Calcium Silicate Board - High Temperature Fireproof Insulation

An overview of refractory ceramic fibers

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Simond Store Ceramic Fiber Insulation Board, 2300F, 1 Inch X 12 Inch X 12 Inch, Ceramic Thermal Insulation Board for Wood Stoves Fireplaces Furnaces Forges Kiln Pizza Oven

Ceramic Insulation is the best solution for your high temperature insulation. The mixture of refractory fibers and binders, which have low organic content is vacuum processed into high temperature ceramic fiber board that imparts good mechanical strength even after heating. Ceramic Board is a refractory board which has low thermal conductivity and high tensile strength and excellent resistance against thermal shock and chemical attack.

Simond Store Ceramic Fiber Insulation Board, 2300F, 1 inch x 19.7 inch x 39.4 inch, Ceramic Thermal Insulation Board for Wood Stoves Fireplaces

Ceramic Fiberboard Insulator

Ceramic Insulation is the best solution for your high temperature insulation. The mixture of refractory fibers and binders, which have low organic content is vacuum processed into high temperature ceramic fiber board that imparts good mechanical strength even after heating. Ceramic Board is a refractory board which has low thermal conductivity and high tensile strength and excellent resistance against thermal shock and chemical attack.

Simond Store Ceramic Fiber Board Insulation - 2 x 19.7 x 39.4 - 2300F Rated - Pack of 1 - Fireproof Insulation Board for Wood Stove Pizza Oven

Curing Ceramic Fiber Board

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Ceramic Fiber Board Insulation - 2300F Rated - 1 x 19.7 x 39.4 - Pack of 1 - Ceramic Fiber Thermal Insulation Board for Wood Stoves, Ovens, Forges, Kilns, Furnaces, Fireplace