... ISO9001-2008 Natural rubber+steel Rubber buffer is applicable for vibration roller,vibration rammer,plate vibration,cab,crusher,truck,pile driver,brand machines ... Stavestro,Sakai,Irge Rsoll-Rand,etc;The hardness of the rubber is between shore over 70A;The steel plate has ... been specially treated ,so the adhesion between the rubber and the steel plate far exceeds the stipulation in natural ...