Name: Rubber Roller For Rice Mill 2.Material: NBR, SBR. Poly 3.Color: White, red, yellow, ... Information1.Name: 10" Brwon, Yellow, Red, Amber, Brown Rubber Roller For Rice Mill 2.Material: NBR SBR POLY3.Color: white, red, yellow, brown4 ... avoid to use the single roller, the recommended way is higher hardness for fast roller, lower hardness for slow roller.2.Temperature and Hardness Control ...