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0086-533-4591568
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High-strength Silica insulating brick
Details
Our company's silicon insulation bricks have the characteristics of good energy saving effect, high strength, good thermal insulation performance and long service life.
| Project | Index | |
| QG-1.2 | QG-1.1 | |
| SiO2,% not less than | 91 | 92 |
| Refractoriness，% not less than | 1670 | 1680 |
| Kgf/cm2 Load softening start temperature，℃ not less than | 1560 | 1570 |
| Apparent porosity，% not less than | 45 | 45 |
| Normal temperature compressive strength，kgf/cm 2 not less than | 35 | 35 |
| True density， no greater than | 2.39 | 2.39 |
| Bulk density，g/cm 3 no greater than | 1.2 | 1.2 |