| Ort der Herkunft |
Shandong China (Mainland) |
| Form |
Ziegel |
Clay bricks for coke oven battery itemsindexN-1N-2aN-2bN-3aN-3bN-4N-5N-6Refractoriness,cone CN 1761741741721721701661581400135013201300Linear change%1400OC 2h+1-0.4+1 -0.5+0.2 -0.51350Oc 2h+0.2 -0.5+0.2 -0.5+0.2 -0.5+0.2 -0.5Apparent porosity %22max 24max26max24max26max24max26max28maxCold crushing strength kgf/cm2 300min250min200min200min150 min200min150 min150min