| |
粘土砖
Fireclay bricks (YB/T5106-93)
|
NZ-45 |
NZ-40 |
Al2O3,%,≥ |
45 |
40 |
耐火度 Refractoriness,℃ |
1750 |
1730 |
荷重软化温度 RUL,T0.6,℃ |
1400 |
1350 |
重烧线变化 Linear change on reheating(1400 ℃×2h),% |
-0.4～+0.1 |
-0.5～+0.1 |
显气孔率 Apparent porosity,% |
22 |
24 |
耐压强度 CCS,Mpa |
30 |
25 |
热震稳定性 Thermal shock resistance |
良好 Excellent |
|
 |
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 |
高铝.粘土轻质保温砖 （GB3994-83.GB-3995-83）
High alumina insulating refractory bricks and fireclay insulating refractory bricks
本产品结构均匀、闭口气孔多、隔热性能好、导热系数低、强度高，在使用中能保持炉温均衡。减少散热损失，适用于各种工业窑炉及热工设备上的隔热层、保温层。
There products have homogeneous structure, lots of closed pore,good themal msulating property, low thermal conductivity and high stength, When in use, they can keep temperature of furnaces in balance, decrease the heatloss. So they are applied to heat insulating linings of kilns and heat cquipment.
|
轻质高铝砖 High alumina bricks |
轻质粘土砖 Fireclay bricks |
| LG-1.0 |
LG-0.9 |
LG-0.8 |
LG-0.7 |
LG-0.6 |
NG-1.3 |
NG-1.0 |
NG-0.8 |
化学成份
Chemical Composition,% |
Al2O3 |
≥48 |
≥33 |
| Fe2O3 |
≤2 |
≤2 |
| 体积密度,BD,g/cm3 |
1.0 |
0.9 |
0.8 |
0.7 |
0.6 |
1.3 |
1.0 |
0.8 |
| 耐压强度 CCS,Mpa |
≥4.0 |
≥3.5 |
≥3.0 |
≥2.5 |
≥2.0 |
≥4.5 |
≥3.0 |
≥2.5 |
重烧线变化≤2%的试验温度
Temperature with PLC≤2%,℃ |
1400 |
1400 |
1400 |
1350 |
1350 |
1400 |
1350 |
1250 |
| 导热系数
Thermal conductivity (250±25℃),W/(m·k) |
≤0.50 |
≤0.45 |
≤0.35 |
≤0.35 |
≤0.30 |
0.55 |
0.5 |
0.35 |
各种加热炉用耐火浇注料
Diversified pyrogenation for stove fire-resistant castable
性能Properties |
牌号Brands |
项目Atam |
|
粘土结合耐火浇注料 |
水泥结合耐火浇注料 |
NL-70 |
NL-60 |
NN-45 |
GL-85 |
GL-70 |
GL-60 |
Al2O3,%不小于 |
70 |
60 |
45 |
85 |
70 |
60 |
耐火度,℃不低于 |
1760 |
1720 |
1700 |
1780 |
1720 |
1700 |
烧后线变化率不大于±1%的试验温度（保温3h ）,℃ |
1450 |
1400 |
1350 |
1500 |
1450 |
1400 |
110℃烘干耐压强度 Mpa不小于 |
20 |
20 |
20 |
45 |
45 |
40 |
1350℃烧后耐压强度 Mpa 不小于 |
50 |
40 |
40 |
60 |
55 |
50 |
110℃烘干抗折强度 Mpa不小于 |
4 |
3 |
2.5 |
5.5 |
5 |
4 |
容重g/cm3 |
2.4 |
2.3 |
2.2 |
2.5 |
2.4 |
2.35 |
不定型耐火材料
|
铁沟免烘捣打料 |
高炉泡泥 |
| 1# |
2# |
1# |
2# |
AL2O3，% |
60 |
65 |
46 |
28 |
SiO2，% |
/ |
/ |
18 |
30 |
SiC，% |
13 |
13 |
/ |
/ |
体积密度(110℃×24h)BD,g/cm3 |
≥2.3 |
≥2.4 |
1.83 |
1.78 |
抗折强度MPa
MOR |
110℃×24h |
3 |
4 |
6 |
2 |
1450℃×3h |
5 |
6 |
/ |
/ |
耐压强度MPa
CCS |
110℃×24h |
8 |
10 |
3.3 |
3.6 |
| 1450℃×3h |
15 |
18 |
/ |
/ |
线变化率, PLC, % |
±0.5 |
±0.5 |
/ |
/ |
显气孔率 Apparent porosity, % |
/ |
/ |
23 |
25 |
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