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According to the quantity of shrinkages, casting of fused cast azs block can be divided into below four styles:
1. Normal casting: fused cast azs block adopts normal riser casting and the riser is eliminated in hot state. The cut section of fused cast azs block is divided into two parts, the first part is solidified which crystallized dense, and this part accounts for 40%-50% thickness of casting; another part is then solidified which has shrinkage and coarse crystallization. The price of fused cast azs block produce in this way is relatively low, and it is mainly use in upper structure and sidewall of the tank of glass furnace.

2. Tilt casting: Tilt casting is that makes the mold in a special angle before casting and then cast the mold by putting the riser in one side. This can get a dense area in the T section, and can be used to get higher accuracy in the T direction, so fused cast azs block produced in this way can be mainly used in side wall of glass furnace.

3. Void free casting: The shrinkage hole is concentrated in a certain area, and removes the shrinkage with diamond saw after cooling. The remaining useful part is homogeneous and dense, and the average bulk density is close to the theoretical density. Fused cast azs block manufactured in this method is mainly applied to bottom of tank, channel, electronic brick and other high request parts in glass furnace, and the price is also relatively high.

Zhengzhou Sunrise Refractory Co., Ltd. is mainly engaged in the research and development of glass refractory products. Sunrise as a professional glass refractory manufacturer can provide excellent products such as fused cast AZS block 33#,36#,41#, fused cast alumina block, silica brick, magnesia brick, zircon brick, zircon mullite brick, mullite series brick, sillimanite brick, etc. which have passed the ISO international certified. 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. Zhengzhou Sunrise Refractory Co., Ltd can provide professional guidance for you and is sincerely looking forward to establishing a long-term mutually beneficial relationship with you.