Pro-ma MBL Superior Grease MSDS

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A Quick Summary of the MBL Material Safety Data Sheet

The Lithium Complex soap structure with a micro metallic base lubricity matrix provides good high-temperature performance characteristics. In many conventional greases, load carrying additives normally limit high temperature performance but MBL Grease retains this feature whilst continuing to provide extreme pressure protection. MBL Grease provides dependable lubrication at low temperatures. Low temperature torque tests conducted at -40°C (-40°F) show MBL Grease to be suitable for use at temperatures at or above this level. The ability to retain a relatively soft consistency at low temperatures means that cold weather dispensing problems are minimised. MBL Grease has extreme pressure and anti wear characteristics that enable it to serve under conditions of high loading or severe shock loading.

Specifications

The Base Grease Used in MBL Grease has the Following Specifications:

NLGI Grade……………………………………………………….. 2
Soap Type………………………………………………………… Lithium-complex
Texture…………………………………………………………….. Buttery

Base oil viscosity
cSt at 40°C………………………………………………………. 148
cSt at 100°C…………………………………………………….. 14
SUS at 100°F……………………………………………………. 767
SUS at 210°F……………………………………………………. 75
Base oil viscosity index……………………………………….. 90
Dropping point C (F) (ASTM D 2265)……………………….. 280°+C (500°+F)

Penetration, mm/10 (ASTM D 217)
Unworked………………………………………………………… 280
Worked 60 Strokes……………………………………………. 285
Worked 100,000 strokes, % change…………………….. .+10

Trident probe viscosity (ASTM D 3232)
204°C (400°F), poises………………………………………… 15

Oil Separation (ASTM D 1742)
24 hr at 25°C (77°F), %………………………………………. 3

Lubrication life (ASTM D 3336), no. 204 bearing
10,000 rpm, 163°C (325°F), hrs…………………………… 290

Oxidation stability (ASTM D 942)
Pressure drop at 100 hr, kPa (psi)………………………… 14(2)
Pressure drop at 500hr, kPa (psi………………………….. 70 (10)
Roll stability (ASTM D 1831) % penetration change.. +10

Wheel bearing test (ASTM D 1263 modified: 60-9 pack 160°C (325°F)
Leakage, g………………………………………………………… .1.5

Load carrying properties:
Timken load (ASTM D 2509,kg (lb)…………………………. 25 (55)

4-Ball EP test (ASTM D 2596)
Load wear Index, kg……………………………………………. 40
Weld point, kg…………………………………………………… 250

4-Ball wear test (ASTM D 2266), 40kg, 1200rpm,
75°C (167°F), 1 hr. Wear scar diameter, mm…………. 0.40

Ball-joint test (ASTM D 3428)
Brine sensitivity (noise and wear)……………………….. Pass
Torque stability…………………………………………………. Pass
Water washout (ASTM D 1264), % at 80°C (175°F)… 4
Rust prevention (ASTM D 1743), ASTM rating……….. 1

Low temperature torque (ASTM D 1478), -40°C (-40°F)
Starting, g-cm…………………………………………………… 13,000
Running, g-cm………………………………………………….. 5,000

Mobility (U.S. Steel method)
Flow rate at -18°C (0°F), g/sec……………………………. 0.5

Rubber swell (GM method) 70hr at 100°C (210°F)
Volume change, %…………………………………………….. +12

 

Pro-ma MBL Lithium Grease