... is 1-3 percent. 2,Character: high hardness, wear-resisting, anti-dirty ability, corrosion resistant.3,The lifetime is more than ... various,the outer diameter is from 45-1425mm7,Our floating seals are used in construction machinery and mining machinery , like komatsu ... hyundai and so on.(1)Chinas bulldozer such as SHANTUI, SHANGHAI, YELLOU RIVER, YISHAN AND QINGGONG;(2)Japan bulldozer (KOMATSU): D50 ...