... 2.anti-aging, non-degumming 3.low broken rate, good abrasion resistance 4.Cast iron, Aluminium Specification of Rubber rollers TypeWheel ... Roller Character:Elastic stiffness, Strong plasticity under the high hardness, moderate grain force, high roughness, low cardamine.Good wear resistance, long ... keep the balance.keep the rate of the re-hulling under the limitedDon’t make the machine work for a long ...