按照硬化温度,这种耐火泥可分为气硬性和热硬性两种。气硬性耐火泥常用水玻璃等气硬性结合剂配制。热硬性耐火泥常用磷酸或磷酸盐等热硬性结合剂配制。这种热硬性耐火泥硬化后,除在各
项目Item |
硅酸铝质 Alumina Silica Mortar |
粘土质 Silica Mortar |
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GN-2 | GL -2 | NN-45A | NN-45B | ||||||
化学成分,% Chemical Composition |
Al2O3 | ≥ | - | 35 | 70 | 45 | |||
SiO2 | ≥ | 94 | - | - | - | ||||
Fe2O3 | ≤ | 1 | - | - | - | ||||
耐火度 Refractoriness ℃ | ≥ | 1690 | 1560 | 1750 | 1730 | ||||
粒度Particle Size, % | -0.074mm | ≥ | 50 | 50 | 50 | 50 | |||
-1.0mm | 100 | 100 | 100 | 100 | |||||
粘结时间Bonding Time, Min | 1-2 | 1-2 | 1-2 | 1-2 | |||||
抗折粘结强度,MPa MOR |
110℃×24h | ≥ | 1 | 0.3 | 1.0 | 1.0 | 2.0 | ||
1200℃×3h | ≥ | - | 0.8 | - | 3.0 | 6.0 | |||
1400℃×3h | ≥ | 3 | - | 1.5 | - | - | |||
荷重软化温度T0.6 ℃ Refractoriness Under Load |
≥ | 1600 | - | - | - | 1200 | |||
热导率 Thermal Conductivity, W/m.K |
≤ | - | 0.35 | 0.55 | - | - | |||
加热线变化,(1300℃x 3h)% Permanent Linear Change On Heating |
- | - | - | - | +1~ -5 | ||||
应用 Applications |
砌筑轻质粘土砖Laying of light-weight fireclay bricks |
砌筑轻质高铝砖 Laying of Laying-weight high alumina bricks |
砌筑不同牌号粘土砖Laying of fireclay bricks with various brands, |