Refractories Co., Ltd., Zhengzhou City shangzhuang tell us something sinister turn, did not burn through brick, inside some sinister custom shaped brick castable, so called black heart bricks. Black heart on the performance of refractories and refractory products, greatly damaging effects. Refractories "black" products can not be recycled. Which produces "black" the main reason is the high content of iron-titanium raw materials, firing thermal system is unreasonable and the code brick, brick drying existing problems, should start from the above reasons, process improvement, strict operation, to reduce or avoid the "black "produces custom shaped brick castable, improve product quality. Therefore, to reduce or avoid the "black" to improve product yields and high alumina bricks performance is meaningful. Refractories Co., Ltd., Zhengzhou City shangzhuang think as China's industrial structure, macroeconomic policy adjustments custom shaped brick castable refractory functional needs of the most high quality will increase. Lightweight high alumina refractories result has excellent thermal shock resistance, mechanical properties, and high temperature, wear resistance, excellent a performance guarantee. Use the key iron, chemicals, machinery, ceramics and other industries critical parts. They have shown superior performance than other materials. Thus the demand for high-grade high-alumina refractory light will increase every year, the market has broad prospects. Custom shaped brick castable, custom shaped brick castable, custom shaped brick by shangzhuang castable refractories. This information consists of: Zhengzhou City shangzhuang Refractories Co. (www.yntjj.com.cn) provide, we are business alliance member, the integrity of the entire network certified suppliers. Feel free to contact us, contact: Cheng Haitao