How to choose a good corrugated roller? Corrugating roll is the most important part of single facer. The service life of the hardness of the tungsten carbide corrugated roller is 3-5 times longer than the chrome-plated corrugating roll. Reduce the replacement frequency and cost of the corrugated roller by 65-80% Besides, the quality of TC flute roller is better. The roll surface temperature is evenly distributed, and the glue on the cardboard is more uniform. LLY PACK is proud to provide tailor made solutions.