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.

Wholesale Wall Hung Ceramic Fiber Board Manufacturer and Supplier

Universal Ceramic Insulation Fiber Baffle Board, 2300F, 24″ x 18″ x 3/4″, Boiler, Stove, Forge, Kiln

Ways of sticking refractory ceramic fiber board to furnace lining

Simond Ceramic Fiber Board, 2300F Rated, 0.47 x 12 x 24 for Wood Stove, Furnaces, Forges, Kiln, Pizza Ovens, Fireplace Heat Shield

Curing Ceramic Fiber Board

What ceramic fiberboard is more suitable for fireplace insulation?

Ceramic Fiber Board for Fireproof Door Insulation real-time quotes, last-sale prices

Reliable and Woven fireplace insulation board

Kingspan XPS available in California at Foam Sales Group

Ceramic fiber boards, Aluminum silicate wool boards