If you are looking for a reliable material for your high - temperature furnace, our polycrystalline fiber board is the answer. It can be made into furnace linings and is perfectly compatible with silicon - molybdenum rods and silicon - carbon rods. The 1750 - degree working temperature makes it suitable for a wide range of high - temperature applications. Our product has been tested and proven in many fields, such as the industrial production of ceramics and glass, where high - temperature stability is crucial.