SINOPEC High Temperature and High Speed Drilling Grease 7411 is manufactured from a highly refined mineral base oil, a special complex soap thickener and well-chosen anti-oxidant, AW, EP and anti-rust additives. According to GB/T 7631.8-90 (ISO6743/9-1987), Grease 7411 can be classified as L-XBEHB1-2.
Features & Benefits
Excellent anti-wear and heavy load capability
Excellent retention and resistance to high-temperature degradation
Exceptional rust and corrosion prevention performance
Prolonged service life
Do not contain any heavy metal and nitrite that will do harm to human’s health and pollute environment.
Meets the following performance specification: Q/SH303 218—2004
Grease 7411 is designed for the lubrication of well drilling roller bit bearings.
Suitable operation speed ranged from 60rpm~120rpm.
|Items||Typical Properties||Test method|
|Appearance||Smooth black buttery||Visual|
|1/4 Worked Cone Penetration,0.1mm||82||ASTM D217|
|Dropping Point, ?C||260||ASTM D2265|
|Evaporation Loss (150?C,1h),%||1.3||ASTM D972|
|Load Capability (room temperature, 1500rpm), N||6092||ASTM D 2783|
|Weld load PD|
Prevent water and impurities during storage and transportation.
Do not mix with other type of grease.
Do not heat before using.