LE Inc’s own Technology Center in Wichita, Kansas, USA, continually develops more effective and efficient additives and products that are exclusive to Lubrication Engineers. This ensures that LE lubricants will remain the finest available in the industrial world.
LE’s unique additives are the main reasons why LE lubricants provide the best possible product performance versus competitive brands and consistently increase profitability for all our customers by:
Extending service intervals (reduced lubricant consumption)
Increasing equipment life (less wear)
Reducing energy consumption (less friction)
Improving reliability (less expensive downtime)
Minimising inventory (multipurpose products)
These exclusive LE additives are only available in LE products – no other company has access to, or uses this proprietary additive technology.
years after the introduction of its famous, unique and proprietary
anti-wear additive Almasol, LE launched Duolec – an even
better additive for enhancing gear oils.
(more info) (PDF - 711KB)
What is Duolec?
LE’s exclusive dual-acting liquid additive, which imparts synergistic properties to LE lubricants , providing both wear-reducing and extreme pressure protection.
result of revolutionary technology designed specifically for use in LE
gear lubricants, Duolec increases oil film strength and is
temperature-activated to provide a protective layer that smooths metal
surfaces and minimises the effects of any contact, thereby reducing
friction and preventing surface wear.
What does Duolec do?
Reduces friction, heat and wear in gearboxes and gears.
Increases lubricant film strength and protects metal surfaces by outperforming at greater temperatures and loads.
How does Duolec work?
Thermally Activated Technology
incorporates revolutionary technology that is thermally activated to
provide a dual layer of anti-wear and extreme pressure protection that
forms a solid-like protective layer on the metal surface.
fills surface asperities, effectively smoothing the surface and
minimizing the effects of any metal-to-metal contact, thereby reducing
friction and preventing welding and surface wear.
also greatly enhances the film strength of the oil to prevent rupture
of the oil film and minimise asperity contact.
technology in Duolec is designed to be thermally activated in stages.
When the loads are increasing, the Elasto-Hydro-Dynamic (EHD) and mixed
film anti-wear components of Duolec start working. After loads become
even greater, the boundary lubrication extreme pressure performance of
Duolec is activated.
Anti-Wear & Extreme Pressure
Like Monolec, it is a liquid anti-wear additive for the EHD regime and is soluble in base fluids.
it works in the boundary regime of extreme pressure surface protection
at temperatures normally encountered by gear lubricants.
How does Duolec perform?
a wear test according to ASTM protocol, Duolec was found to reduce wear
by as much as 11% when it was the only additive incorporated into base
oil – proving its outstanding performance without the
interference of other ingredients.
for the friction reduction capabilities of Duolec was conducted using
the SRV friction test machine. The test results showed a 25% reduction
in friction over the base oil when Duolec was incorporated.
Value of Duolec to LE Lubricants
Is designed specifically for use in gear lubricants under the conditions and loads typical to gear service
Acts synergistically to improve performance qualities of other components in the lubricants
wear by reducing friction, improving oil film strength and providing
surface protection when extreme pressures cause metal to metal
Does not build up or fall out of solution
Almasol reduces friction, heat and wear and resists chemical attack while withstanding high loads and temperatures
to 1,038°C (1,900°F) It has been used on every manned U.S. space mission due to its incredible capabilities.
(more info) (PDF - 311KB)
What is Almasol?
LE’s exclusive solid wear-reducing agent
Highly refined dry-film lubricant is derived from aluminum, magnesium and silicate.
Almasol particles are so small (1-2 microns) that 8,000 would cover this full stop.
Is attracted to metal surfaces, forming a microscopic layer but not building on itself or affecting machine clearances
Acts like a protective glove around all moving parts, providing resistance to acid and reduced friction, heat and wear
Carries heavy loads of up to 400,000 psi, providing complete protection against shock loads
How does Almasol perform?
Reduces wear – In FZG tests, LE lubricants containing Almasol show less wear than other commercial gear oils.
Provides EP protection – In case of load increase and/or speed decrease
Reduces friction and energy – Provides smooth, low drag surface and reduces heat
Molybdenum Disulfide (MoS2)
Maximum Service Temperature
Load-Carrying Capacity, psi
Shearing of molecular
Polymer alters orientation
Some – cannot tolerate hydrochloric acid, nitric acid, fluorine, chlorine, pure oxygen
a natural affinity to metal as a result of surface attraction. Will not
build on itself or affect machine tolerances.
in air above 343°C to form molybdenum trioxide which is
abrasive. Tendency to build on itself & affect close tolerances.
Cannot tolerate hydrochloric acid & nitric acid, which are
often present in lubricant environments especially where heat, water
& air are present
Galvanic corrosion problems. Tendency to build on itself.
No load-carrying capacity. Tendency to build on itself.
invaluable component in LE’s engine oils, industrial oils and
many of its other lubricants, Monolec allows opposing surfaces to slide
by one another. By separating the moving metal components, it minimises
metal-to-metal contact and greatly reduces friction, heat and
the oil’s film strength break down, Monolec reacts chemically
to form a protective, synthetic lubricant that increases the
lubricant’s film strength without affecting clearances.
(more info) (PDF - 380KB)
What is Monolec?
LE’s exclusive liquid wear-reducing agent
is derived from “mono-molecular” – how
the molecules form a single molecular lubricating film on metal
What does Monolec do?
Reduces friction, heat and wear (proven 24.2% reduction) in engines, pumps, bearings, transmissions
Less friction = less energy = cost savings
is used in LE greases, hydraulic oils, compressor and turbine oils,
engine oils, industrial oils and other products.
How does Monolec work?
Protects all metal surfaces with a single layer of “liquid ball bearings”
Reacts with any high-temperature asperities allowing the abrasive high points to flow, rather than tear
Increases oil film strength by up to 200% through particulate attraction
How does Monolec perform?
synergistically to improve performance qualities of other components in
oils and greases. It enhances anti-wear agents in LE lubricants
Reduces wear, lowers operating temperatures and greatly extends equipment life
Has no negative side effects, such as becoming corrosive, building on itself or falling out of suspension
all competitive products during the Bowden-Leben Test at Imperial
College, London. This is a test used to measure the effect of
temperature on the coefficient of friction of lubricant oils. When all
conventional chemical anti-wear additives broke down between 204 and
232°C (350 and 450°F), Monolec continued to protect
against wear to nearly 315°C (600°F).
contributes to outstanding water resistance, tackiness and enhanced
mechanical stability, and helps to form a barrier against corrosion. It
adheres to the applied surface, which allows the grease to resist
info) (PDF - 698KB)
What is Quinplex?
LE’s exclusive impact-resistant additive that enhances lubricant performance
What does Quinplex do?
Improves water spray-off resistance
Improves cohesion (enhances the coupling of the oil with the grease thickener)
Improves mechanical stability
Forms a barrier against rust and corrosion
How does Quinplex perform?
Lubricants containing Quinplex have decisively outperformed competitive products in several areas:
It increases the viscosity index of fluid products and grease base
oils, which stabilises the viscosity against the influence of
No detrimental effects:
Due to the chemical composition of Quinplex, it will not interfere with
other chemically active components of lubricants.
Higher load-carrying ability:
Research in the UK has shown that in a journal bearing test rig,
lubricants with Quinplex carried more load than lubricants of equal
viscosity but without Quinplex. Research also indicated the
load-carrying capacity is substantially greater than existing theory
Water spray-off test results:
Almagard® Vari-Purpose Lubricant (3752), which contains
Quinplex, will typically have less than 10% water spray-off loss in the
ASTM D4049 test. This compares to 60-95% spray-off loss measured on
competitive high-performance NLGI 2 multipurpose lithium products.
Impact test (slap test): This LE test demonstrates the ability of greases containing Quinplex to resist pound-out under EP loads.
In addition to LE’s unique Duolec, Almasol, Monolec and Quinplex additives, there are also many other different types of additives that are used by LE to improve the quality and performance of our lubricants:
Antioxidants: Resist the formation of acids, sludge and varnish, all of which increase oil viscosity
Extreme Pressure & Anti-Wear Agents: Protect against shock loading, scuffing, galling, adhesive wear and abrasive wear
Corrosion Inhibitors: Protect against rust and corrosion
Foam Inhibitors & Air Release Agents: Reduce foaming and air entrainment
Demulsifying Agents: Enable the lubricant to separate faster from water
Viscosity Index Improvers: Increase the operational temperature range of the lubricant
Detergents: Keep equipment parts clean in high-temperature operations and protect parts from rust formation
Dispersants: Suspend foreign bodies within the lubricant by preventing them from agglomerating or collecting on engine parts to form sludge and varnish
Pour Point Depressants: Lower the solidification temperature of the lubricant
Base Oils: The
finest, highest quality, specially refined base oils are used
– along with the additives – to produce
LE’s high-performance, superior quality lubricants.