Molub-Alloy OG 936 SF Light

Open Gear Compound (Solvent Free)

Castrol Molub-Alloy™ OG 936 SF Light (previously called Castrol Molub-Alloy™ 936 SF Light) (Solvent-Free) lubricants are uniquely compounded open gear lubricants developed specifically for use on heavy duty equipment in mining and industrial service.

  • Product category Grease Applications
  • Application Open Gear

Description

Castrol Molub-Alloy™ OG 936 SF Light (previously called Castrol Molub-Alloy™ 936 SF Light) (Solvent-Free) lubricants are uniquely compounded open gear lubricants developed specifically for use on heavy duty equipment in mining and industrial service. Molub-Alloy OG 936 SF light is compounded to give maximum protection to gears and slides on large draglines and shovels while minimizing potential pollutants to the environment. Molub-Alloy is designed to meet the Bucyrus International SD4713 specification for open gear lubricants.
Molub-Alloy OG 936 SF Light is part of Castrol Performance Lubricants’ Eco-Solutions product offering. Formulated to address environmental concerns, Molub-Alloy OG 936 SF Light is free of lead, antimony, barium, and chlorinated solvents. No solvents of any kind are used in 936 SF. The product is available in grades Light and Heavy. 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 thus minimize initial pitting which could lead to progressive and destructive pitting later.
A highly refined, viscous, paraffinic petroleum derivative is the foundation of a blended base fluid with excellent natural chemical and thermal stability. Molub-Alloy OG 936 SF Light is compounded to flow readily in the film-forming process; yet it resists "squeeze-out" and clings tenaciously even to gear teeth in vertical orientation.
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.
Molub-Alloy OG 936 SF Light may be applied either manually or by heavy duty automatic systems.

Advantages
Compounded for the protection of the ecology, the elimination of materials considered to be hazardous.
Forms tough durable film with "cushioning" effect, even under extreme pressures and at very slow speeds; film resists erosion from rain or sleet, and resists peeling in dusty environments.
Resists film destruction by contaminating oils and greases migrating from nearby mechanisms.

Characteristics

Operating temperature Min. -4°F

Max. 176°F
Viscosity 687 mm/s² at 104°F
NLGI 0
Oil type Mineral
Thickener Lithium
Food grade No
Product type Greases
Applicable to these sectors Automotive Manufacture, Cement, Machinery, Metals, Mining, Power Generation, Sugar

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