堇青石—莫来石棚板: 是以堇青石,莫来石两种材料混合成型,经高温烧结而成。
Cordierite-Mullite Board: It is made by high sintering cordierite and mullite together.
·优点:
Advantage:
具有良好的热稳定性,使用寿命长。特别适用在陶瓷、玻璃、冶金、化工等快速烧成的辊道窑上使用。
Have the good and hot stability, the service life is long. Apply in ceramics, glass, metallurgy, chemical engineering etc areas.
·常用规格(mm):
Dimension in common usage (mm):
600*500 600*470 600*400 500*500 500*370 500*340 500*450 485*460 450*450 450*420 420*380 360*360 340*340 330*330 320*320 310*310
注:厚度可按客户要求生产
Note :The thickness can be produced by customers’ require
·堇青石—莫来石棚板理化指标
化学成分
|
指标
|
物理性能
|
指标
|
Al2O3
|
40∽45%
|
体积密度(g/cm3)
|
2.0∽2.1
|
SiO2
|
45∽50%
|
显气孔率(%)
|
20∽26
|
MgO
|
3∽6%
|
荷重软化温度(℃)
|
1400
|
Fe2O3
|
|
膨胀系数20-1000℃
|
0.35∽0.4
|
|
|
常温抗折(Mpa)
|
10∽11
|
|
|
吸水率%
|
6∽8
|
使用范围
|
安全使用工作温度1250℃以下窑炉
|
·Cordierite-Mullite Board Technique Index
Chemical Composition
|
Contents
|
Physical Property
|
Index
|
Al2O3
|
40∽45%
|
volume concentration(g/cm3)
|
2.0∽2.1
|
SiO2
|
45∽50%
|
apparent porosity(%)
|
20∽26
|
MgO
|
3∽6%
|
refractoriness under load(℃)
|
1400
|
Fe2O3
|
|
swell factor 20-1000℃
|
0.35∽0.4
|
|
|
normal temperature antiflex cracking(Mpa)
|
10∽11
|
|
|
water absorbing capacity%
|
6∽8
|
Serviceable Range
|
Safety usage in the kiln under 1250℃
|