Features:

1) Sizes (mm): 330 x 330, 340 x 340, 350 x 450, 350 x 650, 370 x 500, 

    380 x 380, 390 x 460, 420 x 450, 430 x 430, 450 x 450, 460 x 460, 

    450 x 500, 450 x 510, 450 x 560, 460 x 510, 470 x 470, 500 x 500, 700 x 700

2) Special sizes can be produced according to customers' requirements

3) Primary data in physical and chemical tests:

    a) Al2O3: 45% min.

    b) MgO: 3.0% min.

    c) Fe2O3: 1.0% max.

    d) Bulk density: 2.0g/cm3 max.

    e) Safe temperature: 1,350 max.



Packing: boxes

sizes(mm)
500x500 420x450 350x450 370x500
450x500 450x510 430x430 470x470
460x510 450x450 460x460 340x340
330x330 390x460 450x560 380x380
350x650 700x700(we could  also produce special sizes according to the requirement
of customers)               

Primary datas in physical and chemical tests:
Al2O3:35% MIN    MgO:6.5% MIN  Fe2O3:1.0% MAX
bulk density:1.8g/cm*3 MAX 
safe temperature:1350 MAX