CASTROL OG936 SF HEAVY GEAR OIL LUBRICANT
Castrol Molub-Alloy™ OG 936 SF Heavy (previously called Molub-Alloy 936 SF Heavy) is an open gear lubricant
developed specifically for use on heavy duty equipment in mining and industrial service. Molub-Alloy OG 936 SF Heavy is
compounded to give maximum protection to gears and slides on large draglines and shovels while minimising potential
pollutants to the environment.
A proprietary blend of Molub-Alloy lubricating solids is included to promote anti-wear and load carrying properties. These
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.
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 therefore minimise
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 Heavy 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. Rust and oxidation inhibitors
are included in the formulation to protect the equipment and the lubricating film against the elements in severe climates
developed specifically for use on heavy duty equipment in mining and industrial service. Molub-Alloy OG 936 SF Heavy is
compounded to give maximum protection to gears and slides on large draglines and shovels while minimising potential
pollutants to the environment.
A proprietary blend of Molub-Alloy lubricating solids is included to promote anti-wear and load carrying properties. These
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.
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 therefore minimise
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 Heavy 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. Rust and oxidation inhibitors
are included in the formulation to protect the equipment and the lubricating film against the elements in severe climates
In stock
Only 1 left
SKU
CAST-1581EB
TTD $5,781.38
Molub-Alloy OG 936 SF Heavy is suitable for use on all types of open gears, racks and pinions and sliding or skidding
applications such as draglines and shovels. It can be applied either manually or by heavy duty automatic systems.
This product is used extensively in mining, construction, onshore drilling operations and on offshore installations,
facilitating effective lubrication and protection on:
Rack and pinion jacking mechanisms
Cantilever skidding systems
Mooring winch open gearing and slides
FPSO offloading systems
Crane slew ring & pinion
Exposed threads on penstock valves
Heavy duty top dressing for the ultimate protection of wire ropes
Molub-Alloy OG 936 SF Heavy complies with the Bucyrus International SD 4713 specification (CAT) and Komatsu
specifications for Open Gear Lubricants.
Advantages
Formulated to address environmental concerns - it is free of solvents, lead, antimony and Barium
Forms a tough durable film with a "cushioning" effect, even under extreme pressures and at very slow speeds
The film resists erosion from rain or sleet, and resists peeling in dusty environments
The film resists destruction by contaminating oils and greases migrating from nearby mechanisms
Page: 1/2
Typical Characteristics
Name Method Units Molub-Alloy OG 936 SF
Heavy
Density @ 20°C / 59°F ASTM D4052 / ISO 12185 kg/m³ 1002
Consistency ASTM D217 / ISO 2137 NLGI
Grade 0
Worked Penetration (60 strokes @ 25°C / 77°F) ASTM D217 / ISO 2137 0.1 mm 345-360
Brookfield Viscosity ASTM D2983 / ISO 9262 cP 144,000
Base Oil Viscosity @ 40°C / 104°F ASTM D445 / ISO 3104 mm²/s 2030
Base Oil Viscosity @ 100°C / 212°F ASTM D445 / ISO 3104 mm²/s 57
Four Ball Weld Load test - Load Wear Index (27°C
/ 1770 rpm) ASTM D2596 / ISO 11008 - 130
Four Ball Weld Load test - Weld Point ASTM D2596 / ISO 11008 kgf 800
Four Ball Wear test - Wear Scar Diameter (40 kgf /
75°C / 1200 rpm / 1 hr) ASTM D2266 / ISO 51350 mm <0.75
Rust Test (distilled water) ASTM D1743 Pass Pass
Copper Corrosion (24 hrs,100°C / 212°F) ASTM D4048 Rating 1b
Grease Pumpability test - Lincoln Ventmeter in-house method psi 500
Lubricating solids, particle size - microns nominal 15,maxim
applications such as draglines and shovels. It can be applied either manually or by heavy duty automatic systems.
This product is used extensively in mining, construction, onshore drilling operations and on offshore installations,
facilitating effective lubrication and protection on:
Rack and pinion jacking mechanisms
Cantilever skidding systems
Mooring winch open gearing and slides
FPSO offloading systems
Crane slew ring & pinion
Exposed threads on penstock valves
Heavy duty top dressing for the ultimate protection of wire ropes
Molub-Alloy OG 936 SF Heavy complies with the Bucyrus International SD 4713 specification (CAT) and Komatsu
specifications for Open Gear Lubricants.
Advantages
Formulated to address environmental concerns - it is free of solvents, lead, antimony and Barium
Forms a tough durable film with a "cushioning" effect, even under extreme pressures and at very slow speeds
The film resists erosion from rain or sleet, and resists peeling in dusty environments
The film resists destruction by contaminating oils and greases migrating from nearby mechanisms
Page: 1/2
Typical Characteristics
Name Method Units Molub-Alloy OG 936 SF
Heavy
Density @ 20°C / 59°F ASTM D4052 / ISO 12185 kg/m³ 1002
Consistency ASTM D217 / ISO 2137 NLGI
Grade 0
Worked Penetration (60 strokes @ 25°C / 77°F) ASTM D217 / ISO 2137 0.1 mm 345-360
Brookfield Viscosity ASTM D2983 / ISO 9262 cP 144,000
Base Oil Viscosity @ 40°C / 104°F ASTM D445 / ISO 3104 mm²/s 2030
Base Oil Viscosity @ 100°C / 212°F ASTM D445 / ISO 3104 mm²/s 57
Four Ball Weld Load test - Load Wear Index (27°C
/ 1770 rpm) ASTM D2596 / ISO 11008 - 130
Four Ball Weld Load test - Weld Point ASTM D2596 / ISO 11008 kgf 800
Four Ball Wear test - Wear Scar Diameter (40 kgf /
75°C / 1200 rpm / 1 hr) ASTM D2266 / ISO 51350 mm <0.75
Rust Test (distilled water) ASTM D1743 Pass Pass
Copper Corrosion (24 hrs,100°C / 212°F) ASTM D4048 Rating 1b
Grease Pumpability test - Lincoln Ventmeter in-house method psi 500
Lubricating solids, particle size - microns nominal 15,maxim
| SKU | CAST-1581EB |
|---|---|
| Weight | 20.000000 |
| Manufacturer | CASTROL |
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