通用粘土、高鋁質制品系列嚴格按國家標準組織生產、采用優質粘土、高鋁熟料、冷高壓成型,高溫燒制,可廣泛應用于各類工業窯爐,作內襯耐火材料。
Universal clay and high-alumina series products are produced in accordance with national standard strictly ,whose raw material is high-quality clay and high-alumina grog.This product experiencing cold compression formation and high temperature burning can be used as inner refractory linning for various industrial kilns & furnaces.
重質粘土耐火材料制
指標 | 牌號 |
N-1 | N-2a | N-2b | N-3a | N-3b | N-4 | N-5 | N-6 |
耐火度℃ | 1750 | 1730 | 1730 | 1710 | 1710 | 1690 | 1670 | 1580 |
荷重軟化溫度℃( 0.2Mpa ) | 1400 | 1350 | | 1320 | | 1300 | | |
重燒線變化 %1400 ℃× 2h | | | | | | | | |
+0.1 | +0.1 | +0.2 | | | | | |
-0.4 | -0.5 | -0.5 | | | | | |
1350 ℃× 2h | | | | | +0.2 | | | |
| | | | -0.5 | | | ℃ |
顯氣孔率 % | 22 | 24 | 26 | 24 | 26 | 24 | 26 | 28 |
常常溫耐強度 Mpa | 29.4 | 24.5 | 19.6 | 19.6 | 14.7 | 19.6 | 14.7 | 14.7 |
熱震穩定性次數 | N-2b ,N-3 必須進行此項檢驗,將實測數據在質量證明書注明。 |
重質高鋁耐火制品
指標 | 牌號 |
LZ-75 | LZ-65 | LZ-55 | LZ-48 |
Al2o3 不小于 | 75 | 65 | 55 | 48 |
耐火度℃ 不低于 | 1790 | 1790 | 1770 | 1750 |
荷重軟化溫度℃( 0.2Mpa ) | 1520 | 1500 | 1470 | 1420 |
重燒線變化 %1500 ℃× 2h | | +0.1 | -0.4 | |
1450 ℃× 2h | | | | +0.1 -0.4 |
顯氣孔率 % 不大于 | 23 | 22 |
常溫耐強度 Mpa | 54 | 50 | 45 | 40 |