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Dầu Nhớt Mobil SHC 634

Dầu bánh Răng Tổng Hợp(Mobil)

Mobil SHC 600 Series ™ dầu nhờn là sản phẩm hiệu suất vượt trội và các loại dầu được thiết kế với khả năng xuất sắc về bảo vệ thiết bị,với tuổi thọ dầu bền bỉ và hoạt động trơn tru đã giúp cho phép khách hàng tăng năng suất. Những loại dầu khoa học thiết kế được xây dựng bằng cách sử dụng công nghệ đang chờ Mobil SHC độc quyền và bằng sáng chế mới nhất để cung cấp hiệu suất vượt trội và cân bằng với nhu cầu ứng dụng ở nhiệt độ cao và thấp. Mobil SHC 600 sản phẩm tính năng đặc tính nhiệt độ thấp tuyệt vời, cũng như cải thiện hiệu suất xả khí ở cấp độ nhớt thấp. Những sản phẩm này là khả năng chống cắt cơ khí, bằng cách đưa vào cơ cấu tải nặng và cắt độ cao ổ trục ứng dụng,sao cho gần như không có mất độ nhớt...
Price per Unit (KG): Call for price


Product Description

Mobil SHC™ 600 Series lubricants are exceptional performance gear and bearing oils designed to provide outstanding service in terms of equipment protection, oil life and problem-free operation helping to enable increased customer productivity. These scientifically engineered oils are formulated using the latest proprietary and patent pending Mobil SHC technology to provide outstanding and balanced performance in demanding applications at high and low temperatures. Mobil SHC 600 products feature excellent low temperature properties, as well as improved air release performance in the lower viscosity grades. These products are resistant to mechanical shear, even in heavily loaded gear and high shear bearing applications, so that there is virtually no loss of viscosity.

Mobil SHC 600 Series products have low traction coefficients relative to mineral oils which derive from the molecular structure of the base stocks used. This results in low fluid friction in the load zone of non-conforming surfaces such as gears and rolling contact bearings. Low fluid friction produces lower operating temperatures and improved gear efficiency, which translates into reduced power consumption. Mobil SHC 600 Series products have demonstrated up to 3.6% improvement in energy efficiency in controlled laboratory testing(*). Mobil SHC 600 Series formulation also provides excellent resistance to oxidation and deposit formation at elevated temperatures, as well as exceptional resistance to rusting and corrosion, antiwear, demulsibility, foam control and air release properties, and multi-metal compatibility. Mobil SHC 600 Series oils maintain good compatibility with seals and other materials used in equipment normally lubricated with mineral oils.

Mobil SHC 600 Series lubricants are suitable for use in a wide range of equipment, not only as high temperature problem solvers, but also because of the other benefits they offer.

(*) Energy efficiency relates solely to the performance of Mobil SHC 600 when compared to conventional (mineral) reference oils of the same viscosity grade in circulating and gear applications. The technology used allows up to 3.6% efficiency compared to the reference when tested in a worm gearbox under controlled conditions. Efficiency improvements will vary based on operating conditions and application.

Features and Benefits

 Mobil SHC brand of lubricants are recognized and appreciated around the world for their innovation and outstanding performance. These synthetic products, molecularly designed and pioneered by our research scientists, embody the continuing commitment to using advanced technology to provide outstanding lubricant products. The development of Mobil SHC 600 Series was preceded by close contacts between our scientists and application specialists with key Original Equipment Manufacturers (OEMs) to ensure that the products provide exceptional performance in the continually evolving industrial equipment designs.

Our work with key equipment builders has helped confirm the results from our own laboratory and rig tests showing the exceptional performance of Mobil SHC 600 Series lubricants. Not least among the benefits, shown in work with OEMs, is the potential for energy efficiency improvements up to 3.6% relative to mineral oils (*). These benefits are particularly evident in equipment with a high level of mechanical losses, such as high ratio worm gears.

To develop the latest Mobil SHC technology for Mobil SHC 600 Series oils, our product formulation scientists chose select base oils because of their exceptional thermal/oxidative resistance potential and combined them with a balanced additive system, which complements the inherent benefits of the base oils to provide excellent oil life, deposit control and resistance to thermal/oxidative and chemical degradation. This formulation approach provides low temperature fluidity characteristics exceeding that of many conventional mineral products and is a key benefit for remote, low ambient temperature applications. Mobil SHC 600 Series oils offer the following features and potential benefits:



FeaturesAdvantages and Potential Benefits
Superb high temperature thermal/oxidation resistance Helps extend equipment high temperature operating capability
Long oil life, helps reduce maintenance costs
Helps minimize deposits to enable trouble-free operation and long filter life
High Viscosity Index and absence of wax Maintains viscosity and film thickness at high temperatures
Helps enable exceptional low temperature performance, including start-up
Low traction coefficient Helps reduce friction and increase efficiency in sliding mechanisms such as gearing, with potential for reduced power consumption and lower steady-state operating temperatures.
Helps minimize the effects of micro slip in rolling contact bearings to potentially extend rolling-element life
High load carrying capability Helps protects equipment and extends life; helps minimize unexpected downtime and extends service periods
Balanced additive combination

Provides excellent performance in terms of rust and corrosion prevention, water separability, foam control and air release performance enabling problem-free operation in a wide range of industrial applications, and reduced operating cost


Typical Properties


Mobil SHC 600 Series 634
ISO Viscosity Grade 460
Viscosity, ASTM D 445  
cSt @ 40º C 460
cSt @ 100º C 50.7
Viscosity Index, ASTM D2270 174
Pour Point, ºC, ASTM D5950 -39
Flash Point, ºC, ASTM D 92 228
Density @ 15°C (60°F) (g/cc)  0.87
ASTM D4052
Appearance, visual Orange
TOST, ASTM D 943 mod, hours 10,000+
RPVOT, ASTM D 2722, minutes 2500
Rust protection, ASTM D665B, Synthetic Sea Water Pass
Water Separability, ASTM  -
D1401,Min. to 37 ml water @ 54º C
Water Separability, ASTM  20
D1401,Min. to 37 ml water @ 82º C
Copper Corrosion, ASTM D130,  1B
24 hrs @ 121º C
Foam Test, ASTM D892, Seq I,II,IIITendency / Stability, ml/ml 0/0,0/0,0/0
FZG gear scuffing test, A/8.3/90,  13+
ISO 14635-1 (mod), 
Failure Stage
FAG FE8 Bearing Wear Test 
((DIN 51819-3) 
Roller Wear (mg)



While Mobil SHC 600 Series are generally compatible with mineral oil based products, admixture may detract from their performance. Consequently it is recommended that before changing a system to one of Mobil SHC 600 Series products, it should be thoroughly cleaned out and flushed to achieve the maximum performance benefits. Mobil SHC 600 Series oils are compatible with most NBR, FKM and most other elastomeric seal materials that are used with mineral oils. There is the potential for substantial variations in the elastomers. For best results, consult your equipment supplier, seal manufacturer, or your local company representative to verify compatibility.

Mobil SHC 600 Series lubricants are recommended for use in a wide variety of gear and bearing applications where high or low temperatures are encountered or where operating temperatures or bulk oil temperatures are such that conventional lubricants give unsatisfactory life, or where improved efficiency is desired. They are particularly effective in applications where the maintenance costs of component replacement, system cleaning and lubricant changes are high. Specific applications require selection of the appropriate viscosity grade and include:

Filled for life gearboxes, especially high ratio/ low-efficiency worm gears

Remotely located gearboxes, where oil change-out is difficult

Low temperature applications, such as ski lifts where seasonal oil changes can be avoided

Mixer roll bearings and roll neck bearings where high temperatures are encountered

Plastic calendars

Severe centrifuge applications, including marine centrifuges

Railroad A/C Traction Drives

Mobil SHC 626, 627, 629 and 630 are suitable for Oil Flooded Rotary Screw Compressors compressing natural gas, field gas gathering, CO2 and other process gasses used in the natural gas industry

Mobil SHC  634 are approved by Siemens AG for use in Flender gearboxes

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