Loading Port:China Main Port
Payment Terms:TT OR LC
Min Order Qty:-
Supply Capability:-
silica refractory brick with high CCS, stable performance,
good package and delivery on time
Product name:silica refractory brick for glass furnace
Chemical and physical specification:
| specification | machine pressed | checkers&handmade |
chemical analysis Al2O3 % max SiO2 % min Fe2O3% max alkalies % max TiO2 % max CaO % max free quartz % max |
1 95 1 0.2 0.2 3 1
|
1 95 1 0.2 0.2 3 1
|
bulk density kg/m3 min true density kg/m3 max | 1800 2340 | 1750 2340 |
| apparent porosity % max | 21 | 23 |
cold crushing strength mpa min | 30
| 20
|
permanent linear change % max 1500℃/4hr | 0.2 -0.2 | 0.2 -0.2 |
| creep 1500℃/20-50hr/0.2N/MM2 % max | 0.2 | 0.2 |
refractoriness under load 0.2n/mm2 0.5% ℃ min 2.0% ℃ min 5.0% ℃ min |
1530 1600 1600 |
1530 1600 1600 |
