... board are available, including Standard, High pure, High aluminium and Zirconium. These products are mainly exported to USA, GERMANY, ITALY, Middle ... abrasive furnace atmosphere.Tech data: Standard High Pure High Aluminum Zirconium Classifition temperature(oC)1260126013601430Work temperature(oC) 1050110012001350ColorPure whitePure whitePure whitePure ...