低气孔率粘土砖
Low porosity fireclay bricks (JC/T638-1996)
该产品具有组织结构致密、显气孔率低，耐高温、耐侵蚀能力强等特点。
These products have very compact structure, low apparent porosity, high refractoriness, and excellent corrosion resistance.
|
|
DN-1 |
DN-2 |
|
显气孔率 Apparent porosity,% |
16 |
20 |
|
体积密度BD,g/cm3 |
≥2.37 |
≥2.30 |
|
耐压强度 CCS,Mpa |
≥68 |
≥58.8 |
|
耐火度 Refractoriness,℃ |
≥1730 |
≥1730 |
|
荷重软化温度 RUL,T0.6,℃ |
≥1500 |
≥1470 |
|
重烧线变化 Linear change on reheating (1400 ℃× 2h),% |
-0.5 |
-0.5 |
|
化学成份
Chemical composition % |
Al2O3
|
55 |
50 |
|
Fe2O3 |
＜1.5 |
＜2.0 |
|
SiO2 |
35 |
45 | |
