Molub-Alloy OG 936 WT 680

Open Gear Lubricant

Castrol Molub-Alloy™OG 936 WT 680 (previously called Molub-Alloy™ 936 WT 680) is a uniquely compounded open gear lubricant specifically formulated for extreme cold operating conditions and for use on heavy duty equipment in mining and industrial service.

  • OEM approved 1 approvals
  • Product category Grease Applications
  • Application Open Gear

Description

Castrol Molub-Alloy™OG 936 WT 680 (previously called Molub-Alloy™ 936 WT 680) is a uniquely compounded open gear lubricant specifically formulated for extreme cold operating conditions and for use on heavy duty equipment in mining and industrial service. Molub-Alloy OG 936 WT 680 is compounded to give maximum protection to gears and slides on large draglines and shovels while minimizing potential pollutants to the environment. A highly refined, viscous, paraffinic petroleum derivative is the foundation of a blended base fluid with excellent natural chemical and thermal stability. A proprietary blend of Castrol Molub-Alloy lubricating solids is included to promote antiwear and load carrying properties beyond those of conventional lubricants. The select lubricating solids work synergistically with chemical antiwear and extreme pressure (EP) additives to reduce contact temperatures while providing excellent antiweld protection under extreme pressure and shock loading. Rust and oxidation inhibitors are included in the formulation to protect the equipment and the lubricating film against the elements in severe climate. Application Mining applications include all types of open gears, rails and rollers, racks and pinions, dipper sticks and other slides on shovels and draglines. It is certified to Bucyrus International SD 4713 open gear specification. The structural integrity and strength of the lubricating film is particularly valuable in the critical process of seating new gears because of the natural occurrence of high spots (asperities) in newly machined surfaces. The lubricating film must separate the mating surfaces sufficiently to cushion the effect of the impact of asperities, and minimise initial pitting which could lead to progressive and destructive pitting later. Molub-Alloy OG 936 WT 680 may be applied either manually or by heavy duty automatic systems and can be pumped down to temperatures of -44°C/-47°F.

Characteristics

Operating temperature Min. -40°F

Max. 140°F
Viscosity 687 mm/s² at 104°F
NLGI 0.5
Oil type Mineral
Thickener Lithium
Food grade No
Product type Greases
Applicable to these sectors Metals, Mining

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