Al2O3/MgO castable for Ladle Part II

Since I involved this project, it was almost ten years ago. It's a long road to stabilize the formula to overcome the preheating explosion. Without any support, it is not easy to find the key point to prevent this trouble. Well, it may done. The final recipe works well at custom site. I have my thanks to an expert who gives me a hint about this product. I have to say," Thanks for your patience ." to my superior. I have to appreciate my colleagues because they use XRD to control the quality of the raw material.   I mean MgO. I am grateful for business agent of my company because he convince custom to give a chance to prove this  product can be adapted the operation condition of steel-making ladle Without these people, I can't make it.