- Maximum service temperature: 1800C
- Brand Name: DFLC
- Shape: Brick
- Place of Origin: Henan China (Mainland)
- Material: Alumina Block
- Model Number: DFMQ/DFLQ
Alumina Bubble Insulation Refractory Brick
Max service temp 1800oC
Strong resistance ability to subversive gas and slag
oC Alumina Hollow Sphere Insulating Refractory Bricks
Composition:
Alumina Hollow Sphere Insulating Refractory Bricks are made of high pure alumina hollow Sphere and alumina micro-powder as the main material in addition with some additive. By shaping at high pressure,sintering at high temperature.
Features:
This series of products are characterized by low bulk density,high cold crushing strength,low thermal conductivity,good mechanical impact and vibration resistance and good corrosion resistance,which can improve the service life of furnace greatly.With features of both heavy and light weight refractory products.
Application
It is a kind of perfect energy-saving material widely used in synthetic ammonia furnace,ethylene gas-making furnace and high temperature shuttle furnace.They boast strong resistance ability to subversive gas and slag .The maximum service is 1800oC.
Spec / Type | DFMQ1.5 | DFLQ1.5 | DFLQ1.7 |
Bulk Density (g/m3)≤ | 1.5 | 1.5 | 1.7 |
Cold Crushing Strength (Mpa)≥ | 8.0 | 8.0 | 10.0 |
Thermal Shock Resistance (1100 water quening,cycles) | 20 | ----------- | ------------- |
Test Temperature at which PLC≤0.5%(×h) | 1650×8 | 1700×8 | 1750×8 |
Thermal Conductivity 350±25(W/m.k) | 0.65 | 0.65 | 0.65 |
Al2O3 % ≥ | 85 | 98 | 98 |
Note:1.The The data of thermal conductivity is obtained by flat test. We can aslo produce according to the requested specification.
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