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High Temperature And High Speed Drilling Grease

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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.
Technical specification
*
Meets the following performance specification: Q/SH303 218—2004
Application
*
Grease 7411 is designed for the lubrication of well drilling roller bit bearings.
*
Suitable operation speed ranged from 60rpm~120rpm.
Typical Properties
Items

Typical Properties

Test method
Appearance

Smooth black buttery

Visual
1/4 Worked Cone Penetration,0.1mm

82

ASTM D217
Dropping Point, ºC

260

ASTM D2265
Evaporation Loss (150ºC,1h),%

1.3

ASTM D972
Load Capability (room temperature, 1500rpm), N
Weld load PD

6092

ASTM D 2783
Attentions
*
Prevent water and impurities during storage and transportation.
*
Do not mix with other type of grease.
*
Do not heat before using.

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