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Castrol Molub-Alloy 936 SF Heavy A

Castrol Molub-Alloy™ 936 SF Heavy A is a uniquely compounded solvent free open gear lubricant developed
specifically for use on heavy duty equipment in mining and industrial service. It 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 Molub-Alloy lubricating solids is included to promote anti-wear and load carrying
properties beyond those of conventional lubricants. The select lubricating solids work synergistically with chemical
anti-wear and extreme pressure (EP) additives to reduce contact temperatures while providing excellent anti-weld
protection under extreme pressure and shock loading.

Application

Molub-Alloy 936 SF Heavy A is suitable for use on 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 specification for open gear lubricants.

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 minimize initial pitting which could lead to progressive and destructive pitting later.

Technical Data
Download Technical Sheet for Castrol-Molub-Alloy-936-SF-Heavy-A