Understand the classification of izitini ezikhanyisayo ngomzuzu owodwa

1. Clay refractory bricks: According to the physical and chemical indicators, they are divided into (national standards) N-1, N-2a, N-2b, N-3a, N-3b, N-4, N-5, and N-6.

2. High-alumina refractory bricks: According to physical and chemical indicators, they are divided into (national standards) LZ-75, LZ-65, LZ-55, LZ-48.

3. According to the refractoriness (international standard) SK32, SK34, SK36, SK37, SK38.

4. The lining bricks for steel drums are divided into: CN-40, CN-42, CL-48, CL-65, CL-75 according to their performance indicators.

5. Refractory bricks for cast steel in steel drums are divided into: SN-40, KN-40, XN-40, ZN-40 according to their performance indicators.

6. Refractory bricks for hot blast stoves are divided into performance indicators: RN-40, RN41, RN42, RN43, RL48, RL55, RN65.

7. Refractory bricks for pouring are divided into: JZN-36, JZN-40, JZN-55, JZN-65 according to their performance indicators.

8. Refractory bricks for coke ovens are divided into: JN-40, JN-42Y, JS-94A, JG-94B according to their performance indicators.

9. Refractory bricks for carbon furnaces are classified into N-1, N-2a, LZ55, and LZ-75 according to their performance indicators.