The chlorination process with temperatures of up to 1,400 °C and aggressive gas causes big stress for the applied refractory material.  Extreme conditions of chemical, abrasive and thermal attacks, require special chlorine-resistant, dense and abrasion-resistant bricks, RATH has brought to the market under the name DURRATH HD-45. This high-end product results in an excellent refractory wear lining for these very demanding and difficult conditions is considered as the industry standard for the chlorination process.