Fire bricks SK Series

1.Fire bricks SK Series 2. Professional manufacturer. 3. Delivery is quickly. 4. Quality is good. 5. The lowest price

                                                                  Fire bricks SK Series  

 

 

 

Characteristics:

 

1. High refractoriness.

 

2. Good spalling resistance and wear resistance.

 

3. Good corrosion resistance.

 

4. Good thermal shock resistance.

 

5. High mechanical strength.

 

6. High-temperature creep rate is low.

 

7. Good volume stability at high temperature.

 

Physical and chemical indexes:

Fire clay brick				High alumina brick
SK-30	SK-32	SK-34	SK-35	SK-36	SK-37	SK-38	SK-40
AL2O3 % (≥)	30	35	38	45	55	65	70	82
Fe2O3 % (≤)	2.5	2.5	2.0	2.0	2.0	2.0	2.0	2.0
Refractoriness(SK)	30	32	34	35	36	37	38	40
Refractoriness under load, 0.2MPa, °C (≥)	1250	1300	1350	1400	1450	1480	1550	1600
Apparent porosity (%)	22-26	22-26	20-24	20-22	20-23	20-23	20-22	18-20
Bulk density (g/cm³)	1.9-2.0	1.95-2.1	2.1-2.2	2.15-2.22	2.25-2.4	2.3-2.5	2.4-2.6	2.5-2.7
Cold crushing strength ,MPa (≥)	20	20	25	30	40	45	50	70

Fire bricks SK Series