refractory clay bricks for coke oven

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 Shandong Wanqiao Group Co.,ltd. mainly produces silica bricks and clay bricks for coke oven. We have four 180-meter tunnel-kiln production lines of silica bricks. And the annual output of silica bricks is up to 80,000 tons. We also have two 90-meter tunnel-kiln production lines of clay bricks, the yearly output of which is about 50,000 tons.We have the worlds leading hardware device and efficient management system. Our company has passed the system certification of ISO9001;2000. Both quality and quantity of our products are well-known in ChinaInrecent years, we activelygo into the international market, havingsold ourproducts toEngland, Canada, Mexico, Japan, Argentina, Pakistan, Columbia, Indonesia, India, Iran, Thailand, Vietnam, South Korean etc.