Verified Company
Zibo Hitech Material Co., Ltd.
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Company profile:ZIBO HITECH MATERIAL CO., LTD is the specialized manufacturer and supplier of refractory in China, Our products mainly include refractory bricks, refractory castable, refractory precast shape, insulating brick etc. For refractory castable and precast shape they are very popular in the Europe, North American area.
Type:We can supply High alumina low cement castable,Mullite low cement castable,Corundum low cement castable,High alumina self flowing castable,Mullite self flowing castable,Corundum self flowing castable,AZS Castable,Zircon-Mullite Castable,Zircon-mullite Ramming Mix etc.
Advantage:Our Mullite low cement castable:with high mechanical strength and good thermal shock resistance, abrasion resistant,good density.
Application: they are widely used in various kinds of kiln lining.Such as boiler, blast furnace hot blast stove, heating furnace, ceramic kiln, etc
Specification:
Mullite low cement castable
Product Index | MJ-65 | MJ-70 | MJ-75 | MJ-80 | |
Al2O3:65% | Al2O3:70% | Al2O3:75% | Al2O3:80% | ||
Chemical composition % | Al2O3 ≥ | 65 | 70 | 75 | 80 |
SiO2 ≤ | 25 | 23 | 20 | 15 | |
CaO ≤ | 1.8 | 1.7 | 1.7 | 1.65 | |
Bulk density g/cm3 ≥ | 2.50 | 2.50 | 2.60 | 2.70 | |
Cold crushing strength Mpa≥ | 110°C×24h | 43 | 55 | 55 | 55 |
1100°C×3h | 60 | 63 | 65 | 68 | |
1500°C×3h | 80 | 95 | 96 | 98 | |
Modulus of rupture Mpa ≥ | 110°C×24h | 6.4 | 8 | 8 | 9 |
1100°C×3h | 8.1 | 9 | 9 | 10 | |
1500°C×3h | 13 | 13 | 13 | 13 | |
Reheating linear change % | 1100°C×3h | 0~+1.0 | 0~+1.0 | 0~+1.0 | 0~+1.0 |