A range of roll coverings are manufactured by lathia rubber. These roll coverings are used for textile units, encompassing seven variations. These textile roll coverings have some technical features which include:elarsize has cover thickness of 12-35 mm and hardness of 50-800 shore a. Sizewel has cover thickness of 12-35 mm and hardness of 55-750 shore a. Daytone is also provided with cover thickness of 15-35 mm and hardness of 50-700 shore a; it is suitable for superior pick-up of size on yarn. Hisize features thickness of 12-30 mm and hardness of 70-900 shore a. O-size has a cover thickness of 12-35 mm, hardness of 55-750 shore a and was developed specifically for sizing of synthetic yarns. Some general specifications of sizerok include: a cover thickness of 15-25 mm and hardness of 1000 shore a; is meant for use in the size-box; a cover thickness of 10-25 mm and hardness of 80-950 shore a are shown by wearwel; roll covering is recommended as the final roll in size machines.