... 2.Good elasticity 3.High precision, high concentricity 4.No bubbles 5.Smooth surface DescriptionRubber RollerBrandKamidMaterialNature rubber, NBR, PU, Silicone... ... precision, can be within 2ddm3. good depth of parallelism4. no bubbles, smooth surfaceUsageAll kinds of machineTechnologycasting by handOur advantagewe have our ... match our customers' needs Polyurethane coating U groove roller, NO bubbles