... 8",10",14",20", 25", 28" inch rice rubber roller 2. Cast Iron Drum,Aluminium Drum 3. Got ISO9001-2008 certification Specification of ... in heat and abrasion resistance; Offering very strong bonding between rubber and drum; High shelling efficiency up to 95%; The SBR and ... or three times more than SBR roller at least.Aluminium drum rubber roller, with its light weight, high concentricity, the wear- ...