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Cheap Brown Aluminum Oxide Grit Suppliers Philippines

In view of the development of secondary refining technology and the improvement of steel quality requirements(brown aluminum oxide), this paper analyzes the damage of corundum spinel permeable brick from the damage situation of refractory materials for ladle, and expects to further study the influence of raw materials on its performance(aluminum oxide grit). The shape of the crucible is 70mm × 70mm, adding a-Al2O3 micro powder, and the inner hole size is 25mmx40mm.


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At the same time, the permeable brick contacts with steel slag(silicon carbide abrasive), which is impacted by the bottom argon blowing process, the slag erosion and melting loss, and the structural spalling caused by the metamorphic layer formed by the penetration of slag(synthetic corundum). The performance of refractory material resisting the rapid change of temperature and uniform change of temperature without cracking or spalling off is called thermal shock resistance.(cheap brown aluminum oxide grit suppliers philippines)


With the need of production in recent years, many scholars and technicians have carried out further research and development on the permeable brick for ladle(pink corundum). On the basis of the previous work, the corundum spinel system material analysis is carried out. In order to improve the performance of the products and prolong the service life of the products(emery abrasive), the unfired corundum spinel permeable brick for ladle is developed, and the microstructure of each sample was analyzed. 


(cheap brown aluminum oxide grit suppliers philippines)According to the development of permeable brick(brown aluminium oxide), corundum spinel porous brick has attracted many scholars' attention due to its excellent performance in thermal shock resistance, corrosion resistance, oxidation resistance and service performance. After demoulding, it is dried in the air for 48h and then dried at 110 ℃ for 24h(green silicon carbide). 18G steel slag powder is put into the inner hole and heated at 1600 ℃ for 4B. Then the crucible is cut into two parts symmetrically. 


Corundum spinel permeable brick with pure calcium aluminate cement as binder has good performance and has been widely used in recent years(black corundum). Its service conditions are very harsh, including the upper surface of the permeable brick contacts with molten steel and forms a temperature gradient between the upper surface and the lower surface(black silicon carbide), and the temperature gradient generated by the action of cold air flow blown in during the argon blowing process.(cheap brown aluminum oxide grit suppliers philippines)


The overall dimension of the crucible field sample is 70mm × 70mm, and the inner hole size is 25mmx40mm(white alumina). According to the vibration casting method, it is demoulded after natural curing for 24h. The results show that the suitable addition amount of a-Al2O3 micro powder is 12% when using plate-shaped corundum and sintered spinel as main raw materials(brown fused alumina factory), pure calcium aluminate cement and proper amount of water reducing agent. 


(cheap brown aluminum oxide grit suppliers philippines)And the rapid cooling and heating in the process of repeated use, and the erosion of high temperature molten steel flow(brown fused alumina). The depth of slag erosion and penetration at the bottom and side of each sample was compared. The temperature rise diagram of the samples was obtained when the samples were heat treated at 1100 ℃ x4h and 1600 ℃ x4h(aluminum oxide abrasive), respectively. SiO2 micropowder is directly crushed from fused quartz ore (SiO2 > 99%).


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