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High Temperature/High Shear
Temperature/High Shear Test measures a lubricant's viscosity
under severe hightemperature and shear conditions that resemble
highly-loaded journal bearings in fired internal combustion
engines. In order to prevent bearing wear, it is important
for a lubricant to maintain its protective viscosity under
severe operating conditions. The minimum High Temperature/High
Shear viscosity for a 30 weight oil is 2.9 cP. As shown in
the graph, AMSOIL Synthetic 10W-30 Motor Oil surpasses this
minimum standard and displayed the highest High Temperature/High
Shear viscosity in the group.
The superior viscosity retention
Synthetic 10W-30 Motor Oil in the face of severe temperature
and shear conditions allows it to provide continuous, unsurpassed
protection for engine bearings, extending equipment life and
Synthetic 10W-30 Motor Oil provides unsurpassed protection
against engine wear. Equipment life is extended, and repairs,
downtime and expenses are reduced.
AMSOIL INC. has been the leader
in synthetic motor oil formulation since its introduction
of the world's first API rated synthetic motor oil in 1972.
By specializing exclusively in the synthetic lubricant technology,
AMSOIL is able to optimize the most advanced chemistries available.
The "Genuine Synthetic PAO Formulated" designation
displayed on AMSOIL packaging indicates that the oils are
formulated with Polyalphaolefin (PAO) synthetic base stocks.
This chemistry is the industry's premier base stock technology.
Unlike conventional mineral-based chemistries, AMSOIL PAO
base stocks contain fully saturated, hydrogenated molecules
and are free of wax and other impurities. Combined with an
exact balance of premium additives, itdelivers superior hot
and cold temperature performance, resists oxidation and acid
formation and provides long-term wear protection.
Synthetic PAO Formulated" oils have shattered the parameters
of the most rigorous industry testing and set the standard
for all other motor oils.
Motor Oil Test and Comparison
Synthetic 10W-30 Motor Oil (ATM) and 10 competing conventional
and synthetic 10W-30 motor oils were subjected to a series
of ASTM motor oil tests. The competing oils included petroleum-based
Castro GTX Drive Hard, Mobil Drive Clean, Pennzoil with Purebase,
Quaker State Peak Performance and Valvoline, as well as synthetic-based
Valvoline Synpower, Quaker State, Castrol Syntec, Pennzoil
and Mobil SuperSyn Multi-Vehicle.
Seven tests were run on the
motor oils. The Thin-Film Oxygen Uptake Test (TFOUT) measures
the oxidation stability of engine oils. The High Temperature/High
Shear Test (HTHS) measures a lubricant's viscosity under severe
operating conditions. The NOACK Volatility Test measures the
evaporation loss of oils in high temperature service. Pour
Point indicates the lowest temperature at which a fluid will
flow. Total Base Number (TBN) is the measurement of a lubricant's
reserve alkalinity for combating acids. The Cold Cranking
Simulator Test (CCS) measures a lubricant's viscosity at low
temperatures and high shear rates. The Four-Ball Wear Test
measures a lubricant's wear protection properties. The impressive
test results show AMSOIL
Synthetic 10W-30 Motor Oil outperformed the competitors
in each test. (More
Why Motor Oil Deteriorates
It is common knowledge
that, at some point, engine oil must be changed. It's something
that is preached relentlessly to vehicle owners by vehicle
manufacturers, quick lubes and oil companies. But consumers
are widely unaware of what exactly makes oil changes necessary.
Many factors contribute
to a motor oil's demise, but it is essentially the accumulation
of contaminants in the oil and chemical changes in the oil
itself that make a motor unfit for further service. With time,
it is inevitable that the oil will be contaminated by dirt
or sludge, or succumb to the extreme pressures or temperatures
found inside an engine. AMSOIL Motor Oils are formulated with
the industry's most advanced synthetic base stocks and additive
packages to combat the forces that deteriorate conventional
What is the NOACK Volatility
Volatization is a term used to describe
what happens to a fluid as it is heated to the point it begins
to "boil off." Upon reaching a certain temperature,
oil will begin to lose some of its lighter weight molecules
as they "boil off" and leave heavier weight molecules
behind. Not only does this cause higher oil consumption, this
process can also cause increased viscosity making the oil
more difficult to circulate through the lubrication system.
Quality Takes Priority at AMSOIL
The AMSOIL chemical
laboratory plays an important role in the daily operations
at AMSOIL headquarters. The lab fulfills tech service requests,
performs competitor testing and comparisons, and works on
the research and development of products at AMSOIL. One of
the most important jobs at the lab is quality control. AMSOIL
is known for formulating high-quality products and the AMSOIL
chemists ensure that everything coming in and going out meets
AMSOIL standards. How do they do it? (read
Synthetic Motor Oils offer the longest drain intervals
on the market, unsurpassed protection and performance that
effectively extends equipment life and improved fuel economy,
saving customers money at the pump and reducing the nation's
dependence on foreign oil.
INC. warrants that the use of its lubricants will not cause
mechanical damage to any mechanically sound equipment when
AMSOIL INC. products are used in full compliance with the
company's recommendations and instructions."
synthetic motor oils are formulated to surpass engine test
specifications, offering protection far greater than competing
motor oils for extended drain intervals. Most synthetic oil
manufacturers make no claim to extended drain intervals, deferring
to the maintenance schedule provided by the vehicle manufacturer.
With its unparalleled oil and warranty program, AMSOIL offers
consumers unprecedented protection and economics.
More than 20 years
ago, AMSOIL began using the NOACK volatility test as a comparison
tool and measurement of quality. Back then, nearly every oil
tested side-by-side with AMSOIL synthetic motor oils failed,
and those that passed barely squeaked by. Other oil companies
paid no attention to NOACK results until Ford Motor Company
made it a requirement for service fill oils, validating what
AMSOIL had said all along.
NOACK Volatility Test
Volatility Test determines the evaporation loss
of lubricants in high temperature service. The more
motor oils vaporize, the thicker and heavier they become,
contributing to poor circulation, reduced fuel economy
and increased oil consumption, wear and emissions. AMSOIL
Synthetic Motor Oil resists high temperature volatization
better than other motor oils. AMSOIL Synthetic Motor
Oil maintains peak fuel efficiency and reduces oil consumption
AMSOIL Now An ISO Certified
received ISO 9001:2000 certification of our Quality Management
System (QMS). NSF International Strategic Registrations is
the registrar that has verified our QMS meets the requirements
of the ISO 9001:2000 standard, the most widely utilized quality
standard throughout the world for quality management systems.
ISO standards are used by over 300,000 companies worldwide
setting rigorous standards for businesses, government and
is applicable to any manufacturing and service organization
providing a framework for system development that focuses
on the customer, quality system performance and ongoing improvement.
AMSOIL received ISO 9001:2000 registration under the scope:
synthetic lubricants blending, packaging, and other fulfillment
directly associated with lubricant product.
certification puts AMSOIL in line with some of the most efficient
companies in the world. It is further assurance that the products
and services AMSOIL provides will continue to maintain the
high level of quality the company always demanded.
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