Mobilgard 12 Series 312

Nhớt Động Cơ Mobilgard 12 Series 312
Mobilgard 12 Series
Diesel Engine Oils
Product Description
Mobilgard 12 Series by ExxonMobil are high performance diesel engine oils developed for use in trunk piston
engines operating on low sulphur distillate fuels in marine and industrial applications. They are formulated to
have excellent resistance to oxidation and viscosity increase over a long period of service. They have superior
water separating properties and provide excellent corrosion protection.
Mobilgard 312 and 412 meet API requirements for CF rating.
Features and Benefits
Mobilgard 12 Series is formulated with base oils having proven successful performance in diesel engines. The
additive system is balanced to provide excellent resistance to thermal degradation under moderately severe
operating conditions. They also provide good engine cleanliness and superior wear protection.
When used as recommended, Mobilgard 12 Series oils provide the following features and potential benefits:
Features Advantages and Potential Benefits
Extended periods between inspections, overhaul and
Excellent thermal and oxidation stability
Improved antiwear properties Reduced ring and liner wear
Excellent TBN reserve and retention Increased protection against corrosive wear
Excellent detergency/dispersancy properties Increased oil service lifeCleaner engines
The Mobilgard 12 Series diesel engine oils are intended for use as cylinder and bearing lubricants in marine
and industrial diesel engines operating on distillate fuels or light fuel blends. They are particularly effective in
small bore, high speed engines in fishing fleets; in new, severe service engines; and in many types of medium
speed engines. They may be used as crankcase lubricants in large crosshead type diesel engines operating on
high sulphur fuels. Mobilgard 512 is recommended occasionally by some builders as running-in oil for crosshead
type engines.
Typical Properties
312 412 512
SAE Grade 30 40 50
Specific Gravity at 15ºC 0.896 0.899 0.903
Flash Point, ºC, ASTM D 92 266 272 282
Pour Point, ºC, ASTM D 97 -9 -9 -9
Viscosity, ASTM D 445
1 of 2
312 412 512
cSt, at 40ºC 108 142 219
cSt, at 100ºC 12.0 14.5 19.4
Viscosity Index, ASTM D 2270 100 100 100
TBN, mg KOH/g, ASTM D 2896 15 15 15
Sulphated Ash, wt%, ASTM D 874 2.1 2.1 2.1
Health and Safety
Based on available information, this product is not expected to produce adverse effects on health when used
for the intended application, following the recommendations provided in the Material Safety Data Sheet (MSDS).
MSDSs are available upon request through your sales contract office, or via the Internet on This product should not be used for purposes other than its intended use. If disposing
of used product, take care to protect the environment.
The ExxonMobil logotype and Mobilgard are trademarks of Exxon Mobil Corporation, or one of its subsidiaries.
ExxonMobil Lubricants & Specialties
All products may not be available locally. For more information, contact your local sales office or visit
ExxonMobil is comprised of numerous affiliates and subsidiaries, many with names that include Esso, Mobil, or ExxonMobil. Nothing in this document is intended to override or
supersede the corporate separateness of local entities. Responsibility for local action and accountability remains with the local ExxonMobil affiliate entities. Due to continual product
research and development, the information contained herein is subject to change without notification. Typical Properties may vary slightly.
© 2007 Exxon Mobil Corporation. All rights reserved.
2 of 2

Trả lời

Thư điện tử của bạn sẽ không được hiển thị công khai. Các trường bắt buộc được đánh dấu *