Refractory product with refractoriness is over 1,750oC. Many size and shaped of products are available. We are pleased to enclose the specification as follow:
Chemical composition
1. SiO2, (%), < 55
2. Al¼2O3, (%), > 37
3. Fe2O3, (%), < 1.7
4. CaO, (%), < 1
5. MgO, (%), < 0.2
6. K2O, (%), < 1.5
7. Na2O, (%), < 0.5
Physical properties
1. Refractoriness, (oC), > 1,750oC
2. Heat resistance 950oC û air, > 11 times
LBM refractory ceramic pipe are used for metal casting, specifications as follow:
- SiO2 < 55%
- Al2O3> 37%
- Bulk density, g/cm3 > 1.72
- Refractoriness > 1,750oC
Many size and shapes are available
-Straight pipe
-Elbow pipe
-Tee pipe
-Nozzle cup
