Light Weight Alumina Bubble Castable Refractory
Properties |
Brands |
OR-light |
ORM-18 |
Chemical composition(%) |
Al2O3 |
¡Ý95 |
¡Ý95 |
SiO2 |
¡Ü0.5 |
¡Ü0.5 |
max service temperature ( ° C ) |
1800 |
1800 |
bulk density after burnt at 1500 ° C(g/cm3) |
1.35-1.40 |
1.35-1.40 |
Linear changes after burnt at (1500°C¡Á3h)(%) |
¡À0.5 |
¡À0.5 |
compressive / bending
strength ( MPa ) |
110 ° C¡Á24h |
¡Ý8 /¡Ý3 |
¡Ý8/¡Ý3 |
1100 ° C¡Á3h |
¡Ý15/¡Ý4 |
¡Ý15/¡Ý4 |
1500 ° C¡Á3h |
¡Ý20/¡Ý6 |
¡Ý25/ ¡Ý6 |
max particle size of bubbles(mm) |
5 |
5 |
water content for construction (%):
|
9-12 |
9-12 |
thernel conductivity coefficient(w/m.k) |
0.7-0.8 |
0.7-0.8 |
