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.
Features
- 1. Low bulk density, low thermal conductivity, good thermal insulation performance.
- 2. Refractory category allow direct contact of fire, suitable ofr various atmosphere
- 3. Good integrity with furnace lining, long service life, easy operation, could be shaped freely
Typical Applications
- 1. Furnaces of metallurgy industry, heat treatment furnace
- 2. Furnaces of chemical industry and construction industry.
- 3. Furnace of incineration of garbage, recirculating fluidized bed furnace
Specification
Refractory fireclay brick
Product Index | N-1 | JN-40 | JN-42 | |
Al2O3 % | ≥42 | ≥40 | ≥42 | |
Fe2O3 % | ≤2.3 | ≤2.7 | ≤2.5 | |
Refractoriness °C | 1760 | 1760 | 1760 | |
Bulk density g/cm3 | 2.25 | 2.20 | 2.25 | |
Apparent porosity % | ≤22 | ≤24 | ≤23 | |
Refractoriness under load 0.2MPa°C | 1400 | 1380 | 1450 | |
Cold crushing strength MPa | 35 | 28 | 35 | |
Permanent linear chang % | 1500°C×2h | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 |