Ada beberapa grade firebrick refractories yaitu:
- Fireclay Bricks (SK 32/SK 33 and SK 34)
- Hard Fireclay Bricks (DN 12/DN 14 and DN 17)
- High alumina Firebrick (SK 35/SK 36/SK 37/SK 38/ SK 40)
- Special High Alumina Brick (AL 80/AL 75/AL 70 & AL 60)
- Corundum Mullite Bricks
- Nitride Bonded Silicon Carbide Bricks
- Magnesia Bricks
- Magnesia Carbon Brick
- Alumina Magnesia Carbon Bricks
- Alumina Magnesia Spinel Bricks
- Magnesia Calcium Carbon Bricks
- Magnesia Chrome Bricks
- Acid Resistance Bricks
- Hollow ware Bricks
