There are several grades of firebrick refractories :

  1. Fireclay Bricks (SK 32/SK 33 and SK 34)
  2. Hard Fireclay Bricks (DN 12/DN 14 and DN 17)
  3. High Alumina Firebrick (SK 35/SK 36/SK 37/SK 38/ SK 40)
  4. Special High Alumina Brick (SAL 92/SAL 90/SAL 85/SAL 80/SAL 75/SAL 70 & SAL 60)
  5. Alumina Spinel Bricks
  6. Corundum Bricks
  7. Corundum Mullite Bricks
  8. Hollow ware Bricks
  9. Anchor Bricks
  10. Refractory Mortars

Several shapes and sizes of bricks, as follows:

1.     Straight (standard). 230x114x65mmStandard
2.     Arch Y-0. Ukuran 230x114x65x61mmArch type
3.     Arch Y-1. Ukuran 230x114x65x59mm
4.     Arch Y-2. Ukuran 230x114x65x50mm
5.     Arch Y-3. Ukuran 230x114x65x32mm
6.     Wedge T-0. Ukuran 230x114x65x60mmWedge type
7.     Wedge T-1. Ukuran 230x114x65x55mm
8.     Wedge T-2. Ukuran 230x114x65x45mm
9.     Wedge T-3. Ukuran 230x114x65x35mm
10.     Key B-0. Ukuran 230x114x108x65mmKey Type
11.   Key B-1. Ukuran 230x114x105x65mm
12.   Key B-2. Ukuran 230x114x85x65mm
13.   Key B-3. Ukuran 230x114x65x65mm