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产品介绍：
又称高铝质隔热砖，采用优质高铝矾土为主要原材料，经磨细后配以外加剂高温烧制而成。产品具有耐 压强度高，耐火温度高，重烧线变化小，导热系数低等特点。是冶金、碳素、石化、玻璃等工业窑炉的优选 保温产品。
Product introduction:
Also known as high alumina thermal insulation brick,it is made of high-quality high alumina bauxite as the main raw material,which is finely ground and then ired at high temperature with external additives.The product has the characteristics of high compressive strength,high refractory temperature,small changes in the re firing line,and low thermal conductivity.It is the preferred insulation product for industrial kilns such as metallurgy,carbon,petrochemicals,and glass.
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项目Item |
LG140-1.2 |
LG140-1.0 |
LG140-0.8 |
LG135-0.6 |
|
|
Al₂O₃%≥ |
48 |
48 |
48 |
48 |
|
|
Fe₂O₃%≤ |
2.0 |
2.0 |
2.0 |
2.0 |
|
|
体积密度g/cm³≤ |
1.2 |
1.0 |
0.8 |
0.6 |
|
|
常温耐压强度Mpa ≥ |
4.5 |
3.0 |
2.5 |
1.5 |
|
|
加热永久线变化% |
试验温度 |
1400℃×12h |
1400℃×12h |
1400℃×12h |
1350℃×12h |
|
Xmin~Xmax |
-2~1 |
||||
|
导热系数W/m ·k平均温度350±25 ℃ |
0.50 |
0.40 |
0.35 |
0.25 |
|
地址: 河南省郑州市新密市超化镇李坡村6组
电话: 0371-69981122
手机: 18768881122