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The research of biodegradable antiwear hydraulic oil specialized in using for concrete transportation pump

HUANG Fu-chuan~1, WAN Chang-e~1, HAO Hong~1, XIE Qiao~2 (1. Chemistry & Chemical Engineering Institute of Guangxi University, Nanning 53004, China; 2. Guangxi lubrication research center, Nanning 530006, China)  
The research of biodegradable hydraulic oil specialized in using for concrete pump is described. It is blended of the Ⅱ based oil, hydrogenate treatment tea seed oil and PAO and the additives without ZDDP to be degradatable. It meets all the hydraulic systems of concrete pump and will extend the service interval.
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