Ultra high temperature polycrystalline alumina fiberboard
The ultra-high temperature polycrystalline alumina composite fiberboard product series uses polycrystalline alumina fibers as the main raw material, compounded with fillers and adhesives. Formed by a combination of suction and pressure, it has the characteristics of good processability, low thermal conductivity and bulk density.
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Product Introduction
The products are fabricated by suck-press combined method using polycrystalline alumina fiber as main starting materials, adding packing materials and binders. Compared with calcined fiber products, the products are featured with better machinability, lower thermal conductivity and volume weight. The FHB1800 fiber board and special shaped products can long term serve at 1 700 ℃ and at 1 800 ℃ of the maximum, and have been used in many kilns to substitute imported products, saving energy and cutting cost.
Product specification
Product | Ultra-high temperature polycrystalline | ||||
| alumina fiber composite board | ||||
Brands | FHB1500 | FHB1600 | FHB1700 | FHB1800 | |
Classification temperature | 1500 | 1600 | 1700 | 1800 | |
Max.service temperature | 1500 | 1600 | 1700 | 1800 | |
Long-term service temperature | ≤1400 | ≤1500 | ≤1600 | ≤1700 | |
(furnace temperature),℃ | |||||
Volume weight | 380-400 | 400 | 400 | 500 | |
Thermal conductivity | 0.15 | 0.15 | 0.155 | 0.16 | |
| Linear shrinkage on heating | 1400℃ | <2 | ≤0.3 | / | / |
24h | |||||
| 1500℃ | <2 | ≤0.3 | / | / |
24h | |||||
| 1600℃ | / | <2 | ≤0.3 | / |
24h | |||||
| 1700℃ | / | / | <2 | ≤0.5 |
24h | |||||
Application
Used as thermal and electric insulating materials for high temperature electric furnace and heating units of equipment, and lining materials for tunnel kiln and roller kiln
Product Specifications
Product specification：Standard: 1000×600×30-100（ mm）(Length * width * thickness)
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