... recyclely 4,Add to the filter 5,filter waste oil Product overview RR-05 is not only used ... also used for filtering decolorization in rubber, plastic oil, diesel refining. After treatmented, the color of ... also can be used for filtering in waste oil, hydraulic oil, lubricating oil.UsageThe product is added to the filter ... lost activity, purged overheating gas until no gas oil in the dry gas. It can be ...