... 4",7", 8",10",14",20", 25", 28" inch rice rubber roller 2. Cast Iron Drum,Aluminium Drum ... 25 inches, 28 inchesMaterial: SBR, NBR, POLYColor: Brown, White, AmberDetails: Chibi Doulbe Lion’s rice rubber roller are ... efficiency up to 95%;The SBR and NBR rice huller rubber roller can be options. Elastic stiffness, ... out.NBR roller is the 2nd generation of rice huller rubber roller, is adopted 100% NBR rubber ...