Product Details
Precast concrete block was precasted by high strength castables with a super high purity cement. These blocks provide high density, strength and excellent abrasion resistance, which are produced for extreme applications such as roof, spout and taphole block for EAF, bubbling sleeve and well block for ladle and dam block for tundish.
Features Of Precast Concrete Block
- Good thermal shock property;
- Anti-erosion, and impermeable;
- Higher purging rate;
- Longer service life;
- Higher safety level;
- Less pollution.
Applications Of Precast Concrete Block
- Nonferrous Metal Furnace Tap Hole – Ladle Top Bubbling Sleeve
- Well Block of Porous Plug
Physical And Chemical Indicators For Precast Concrete Block
| Brand Properties | PCB-RT1 | PCB-RT2 | PCB-S1 | PCB-S2 | PCB-D | PCB-W | PCB-WK | |
| Bulk Density (g/cm3) | 2.98 | 2.85 | 2.15 | 2.4 | 2.43 | 2.92 | 3 | |
| Cold Crushing Strength(MPa) | 25 | 45 | 30 | 40 | 35 | 28 | 30 | |
| Permanent Linear Change@1,500℃ x 2H (%) | 0.07 | -0.09 | -0.75 | 0.5 | -0.1 (at1200℃) | 0.2 | – | |
| Chemical Analysis(%) | Al2O3 | 75 | 60 | 45 | 65 | 50 | 90 | 91 |
| SiO2 | – | – | 40 | 30 | – | – | – | |
| MgO | – | – | – | – | – | – | 7 | |
| Cr2O3 | – | – | – | – | – | 7 | ||
| SiC+C | 18 | 14 | 8 | – | 5 | – | – | |
Pictures Of Precast Concrete Block
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