| Ort der Herkunft |
Shandong China (Mainland) |
| Al2O3-Gehalt |
≥40 |
| Marke |
BN-40a BN-40b |
| Form |
Ziegel |
caly brick for glass furnace pls check the physical and chemical indicators itemsindexBN-40aBN-40bAl2O3 %40Fe2O3 %1.5 max1.8 maxrefractoriness under load at 0.2Mpa OC1450 min1400 minpermanent linear change %1400oC,2h0-0.4apparent porosity,%18 max18 maxCold crushing strength,Mpa49.0 min34.3 min