Zirconium oxide plays an important role in glass refractory and it is an important chemical composition of zircon related refractory, such as fused cast azs block, zircon brick, fused cast high zirconia brick and zircon mullite brick . Zirconium oxide is a white crystalline which is difficult to dissolve in water, hydrochloric acid and dilute sulfuric acid. Zirconium oxide has the characteristics of high melting point, high resistance coefficient, high refractive index and low thermal expansion coefficient.

1. The Profile Of Zirconium Oxide
Zirconium oxide plays an important role in glass refractory and it is an important chemical
composition of zircon related refractory, such as fused cast azs block, zircon brick, fused cast
high zirconia brick and zircon mullite brick . Zirconium oxide is a white crystalline which is
difficult to dissolve in water, hydrochloric acid and dilute sulfuric acid. Zirconium oxide has the
characteristics of high melting point, high resistance coefficient, high refractive index and low
thermal expansion coefficient.
Industry used zircon is stable zirconium oxide which is made by electric melting method,
adding carbon and stabilizer of calcium oxide during the electric melting process, meanwhile,
silicon, zirconium oxide and calcium oxide form solid solution, then through crushing and
whole grain processing, stable zirconium oxide is made.
Zirconium oxide fiber is one kind of amorphous refractory fiber material. Duo to the high
melting point and other high temperature properties, which makes zirconium oxide fiber have
higher using temperature than alumina fiber, mullite fiber, aluminum silicate fiber and other
refractory fiber. Zirconium oxide fiber can be long-term used in high temperature which may
over 1500 , and the maximum using temperature of zirconium oxide fiber is up to 2200 ,℃ ℃
even keep completed shape when temperature reach to 2500 . So zirconium oxide fiber is℃
one of the world's top refractory fiber materials with the properties of stable chemical
performance, anti-corrosion, antioxidant, anti heat shock, non volatile and no pollution
Zhengzhou Sunrise Refractory Co., Ltd. is mainly engaged in the research and development
of refractory products. Sunrise can provide excellent quality of zircon related products such as
fused cast AZS block 33#,36#,41#, fused cast high zirconia block, zircon brick, zircon mullite
brick. Over 30 years producing and marketing experience, with reliable quality, competitive
price and prompt delivery, Sunrise has established long-term business and cooperation
relationship with many customers in different countries and regions. For any further
information, Contact us, we will do our best to help you.
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