Casting grade chrome sand composition index: quality requirements: in line with technical standards JB/T********3, the specific requirements are as follows :

AFS****0：

AFS****0 :

 

AFS****5 :

 

Granularity: ****0 mesh; ****0 mesh; ****0 mesh; *****0 mesh; ****0 mesh; *****0 mesh;

*****0 mesh; **0 mesh; **5 mesh series casting grade products, suitable For drainage sand materials, casting, ceramics, glass and refractory materials, etc.

Generally, the suitable sand size for large steel castings is ****0 mesh, and the size of sand used for medium and small parts is *****0 mesh. There are also some special cases, such as: some small pump industry, considering the economic factors, replacing zirconia sand with chrome ore. The chrome ore purchased by these factories requires very fine, requiring *****0 mesh, even ******0 mesh, and so on.