۷ϳԭƷ^ߵͻȼC(j)е(qing)^͵ğÛϵ(sh)õĿܵȃ(yu)c(din)ɏV(yng)ڴИI(y)늸GưuGtrGtU偠tȸNṤO(sh)
Using the electrocast raw material,the product has such advantages as high refractoriness and mechanical intensity ,small coefficient of heat-espansion ,good slags-resistance,It is used widely in the pushing board in electric kiln of the magnetic material trade,tools of kiln ,the lining of the furnace and all kinds of devices of heat industy.
ָ(bio) / ƷN | t|(zh) | Īʯ|(zh) | 䆄|(zh) | ̼ |
W(xu)
ɷ % | Al2O3 | 70 | 60 | 60 | 10 |
SiO2 | 23 | 25 | 10 | 10 |
SiC | | | | |
ZrO2 | | 10 | 10 | |
Cr2O3 | 0.5 | | | |
| ͻȡ | 1790 | 1750 | 1750 | 1700 |
ܛضȡ 0.2 Mpa | 1670 | 1650 | 1690 | 1500 |
@ % | 20-22 | 20-22 | 20-22 | 20-22 |
weܶ(g/cm3) | 2.5 | 2.6 | 3.0 | 2.4 |
͉(qing)Mpa | 60 | 70 | 60 | 50 |
?z)׃ % | 1500 3h | 1500 3h | 1500 3h | 1400 3h |
0.15 | 0.15 | 0.15 | 0.15 |