Product Details
As the crucial and staple materials for producing ceramic fiber blanket, board, module and other formed products, ceramic bulk fiber is normally manufactured from high purity raw materials-alumina powder, silica sand through unique production techniques of spun or blowing, these bulks are loose, long and flexible with fine thermal properties, at present, the chopped fibers are vacuum formed production, the lubricated bulk fibers are the fiber for textiles are all available. Ceramic bulk fibers Serve as ab ideal filler for various types of refractory lining and insulation tools.
Features
- Good springiness for fiber
- Excellent strength and resistance to blowing
- Excellent chemical stability, resistance to erosion
- Low thermal conductivity
- Low thermal shrinkage
- Excellent sound absorption
Applications
- Filling insulation and joint sealing
- Back-up lining for industrial furnaces
- Fireproof materials for construction
- High temperature materials for filtration
- Raw materials of fiber Paper and vacuum forming products
- Raw materials of fiber coating materials
- Raw materials of fiber castable and coatings
- High-temperature furnace heating equipment wall lining fillings
- Raw materials of fiber textile products
Specifications
- Alumina contents range from 34% to 44%
- Widely used throughout metallurgical industry
Physical And Chemical Indicators
| Brand
Properties |
STD BULK | HP BULK | HZ BULK | |
|
Chemical Composition(%) |
Al2O3 | ≥44 | ≥45 | ≥34 |
| SiO2 | ≥52 | ≥54 | ≥50 | |
| Fe2O3 | ≤1.0 | ≤0.5 | ≤0.5 | |
| Na2O | ≤1.0 | ≤0.2 | ≤0.2 | |
| ZrO2 | – | – | ≥15 | |
| Specification Temp. (℃) | 1260 | 1260 | 1430 | |
| Shot content (%) | ≤15 | ≤15 | ≤12 | |
| Fiber Diameter(μm) | 3.5 | |||
Pictures
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