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Luoyang Yilong Refractory Co., Ltd.
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high alumina insulating fire bricks for lead smelter
Company profiles
We YILONG have more than 20 years manufacturing experience in producing all types of electric furnace refractories, ladle refractories, tundish refractories, metallurgy furnace burden refractory insulating products, industrial furnace refractories, etc, which have been passed the ISO901-2000, ISO14001, GB28001 audited and famous for its top service and competitive factory price.
insulating fire bricks bricks
This king of products is sintered mainly with supper-fine bauxite charlotte and propr additive by a method of EPS ignition loss.
insulating fire bricks advantages
1. high intensity,
2. low thermal conductivity,
3. excellent thermal stability,
4. very small reheat linear change,
5. outstands erosion and corrosion resistance etc.
Application: They are an ideal kind of energy conserving products, which can be widely used as lining or insulating layers of various industrial furnaces and kilns in metallurgical industry, machine building industry, ceramic industry, chemical industry, chemical industry, etc.
Note: Recommended to use below 1400OC.
Physical and chemical indexes
Brand | PJL-0.5 | PJL-0.6 | PJL-0.7 | PJL-0.8 | PJL-1.0 | PJL-1.2 | PJL-1.3 |
Bulk density ,g/cm³,≤ | 0.5 | 0.6 | 0.7 | 0.8 | 1.0 | 1.2 | 1.3 |
Cold crushing strength, Mpa,≥ | 1.0 | 1.5 | 2.0 | 3.0 | 3.98 | 4.90 | 5.88 |
Reheating linear change ≤2% ( °C×h ) | 1300×12 | 1350×12 | 1350×12 | 1400×12 | 1400×12 | 1400×12 | 1400×12 |
(1100°C Water cooling), cycle | 8 | 8 | 8 | 10 | 15 | 15 | 15 |
Thermal conductivity ≤ 350±25°C(W/m.k) | 0.23 | 0.26 | 0.28 | 0.29 | 0.30 | 0.33 | 0.36 |
Al2O3,% | 40 | 45 | 48 | 48 | 48 | 48 | 48 |
Fe2O3 ,% | 2.5 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 |
insulating fire bricks for lead smelter
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insulating fire bricks package