Refractoriness (℃): | 1770< Refractoriness< 2000 |
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Feature: | Long Time Materials |
Type: | Refractory Material |
Shape: | Brick |
Material: | Alumina Block |
Delivery Time: | 35 Day |
Samples: |
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Customization: |
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Fireclay refractory bricks are manufactured from unfired refractory bond clay and fireclays (chamotte), fired refractory clay or similar grog materials. It is pressed by high pressure and sintered at high temperature with high crushing strength and low apparent porosity.
TECHNICAL DATA SHEET
Items | Al 30-35 SL30 | AL 42% |
Refractoriness under loadºC | 1270-1300 | 1350-1380 |
refractoriness ºC | 1670-1690 | 1710-1750 |
Apparent porosity % | 24 | 21 |
Cold crushing strength Mpa | 25 | 35 |
Thermal expansion 1000ºC % | ≥20 | 20 |
Thermal conductivity 1000ºC % | ≤0.6 | ≤0.55 |
Bulk density | 2.05 | 2.15 |
Al2O3 | 36 | 42 |
SiO2 | 56 | 52 |
Fe2O3 | 3 | 2.8 |
TiO2 | 2.41 | 1.61 |
CaO | 0.53 | 0.42 |
Na2O+K2O | 1.34 | 1.01 |
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