Special Wear Resistant Brick Feature
Special wear resistant bricks have high refractoriness, strong acid and alkali slag corrosion resistance, and high temperature mechanical strength. Therefore, Special wear resistant bricks are widely used in metallurgical industry and other furnaces.
Special Wear Resistant Brick Specification Form
Standard shape, general shape, special shape and special shape brick
Special Wear Resistant Brick Application
Special wear resistant brick has good thermal stability and is suitable for hot air furnace, various boiler linings, and flue, smoke room, etc.
Special Wear Resistant Brick Specification
| Item |
NMZ-A |
NMZ—B |
NMZ—C |
| Chemical Composition |
Al2o2 % ≥ |
80 |
75 |
70 |
| Sio2 % ≤ |
15 |
20 |
25 |
| Normal temperature compressive strength CCS Mpa ≥ |
100 |
85 |
72 |
| Bulk Density g/cm3 ≥ |
2.92 |
2.80 |
2.70 |
| Normal temperature flexural strength MOR Mpa ≥ |
15 |
13 |
11 |
| Abrasion resistance coefficient CC CWT ≤ |
5 |
8 |
9 |
| Refractoriness ℃ ≥ |
1790 |
1790 |
1790 |
| Load softening temperature ≥ |
1550 |
1530 |
1500 |
| Thermal Conductivity W/m.k (350℃+-25℃） TCS |
1.49 |
1.49 |
1.49 |
| Maximum use temperature ℃ |
1650 |
1600 |
1500 |
| Thermal shock stability（900℃，Water cooling）Times TSR ≥ |
20 |
20 |
20 |
