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Mobil Gargoyle Arctic SHC NH68-美孚佳高SHC NH68详细说明 (浏览878次)

Mobil Gargoyle Arctic SHC NH 68

Synthetic Lubricant for refrigeration compressors - Ammonia applications

Product Description

Mobil Gargoyle Arctic SHC NH 68 is a fully synthetic lubricant, specifically designed to lubricate refrigeration compressors in high performance plants using ammonia as the refrigerating fluid. MobilGargoyle Arctic SHC NH 68 is formulated using wax free, synthesized hydrocarbons of polyalphaolefin (PAO) and synthetic Alkylbenzene base oils, which have demonstrated outstanding resistance to thermal/oxidative degradation. Even in the worst operating conditions, Mobil Gargoyle Arctic SHC NH 68 will reduce sludge and deposit formation, hence avoiding or minimizing valve or filter plugging.

 

Features and Benefits

The Gargoyle Arctic SHC brand of lubricants are recognised and appreciated around the world for their innovation and outstanding performance.  Mobil Gargoyle Arctic SHC NH 68 offers exceptional advantages  for ammonia applications  as follows.

Features  Advantages and Potential Benefits 
Very low pour point Enables evaporator temperature below conventional mineral naphthenic oils
Solvency Cleaning effect, especially when switching from mineral oil technology
Wax-free  Excellent low temperature fluidity, no waxy deposits and improved evaporator efficiency 
Superior thermal/oxidative and chemical stability  Long oil life compared to mineral lubricant, inducing extended drain intervals and lessroutine maintenance. In turn reduction of maintenance costs 
Good compatibility with seals previously used with mineral lubricant  Limited risk of oil leakage 
Low volatility  Avoids viscosity build-up, reduced oil consumption

 

Application

Mobil Gargoyle Arctic SHC NH 68 is recommended for use in screw or reciprocating refrigerationcompressors, in plants using ammonia as refrigerating fluid.Mobil Gargoyle Arctic SHC NH 68 is compatible with mineral lubricants, however, in case ofswitch over, performances or benefits may be minimized, depending on the ratio of mineral oilremaining in the blend. In such case, a specific oil analysis follow up with control of filters should be handled in the following 6 months accordingly.

 

Typical Properties

Test Method  Mobil Gargoyle Arctic SHC NH 68 
ISO VG 68
Viscosity ASTM D445  
cSt at 40°C 64
cSt at 100°C 8.5
Viscosity Index ASTM D2270 111
Specific Gravity ( @15 °C) ASTM D1298 0.85
Flash Point, oC ASTM D93 211
Pour Point, oC ASTM D97 - 54
Color ASTM D1500 0.5
Copper Strip Corrosion, ASTM D 130, 3 h@ 100?C 1B
Water Content, ppm, ASTM D 1533 ?100

 

Health and Safety

Based on available information, this product is not expected to produce adverse effects on health when used for the intended application, and the recommendations provided in the Material Safety Data Sheet (MSDS) are followed. MSDSs are available upon request through your sales contract office, or via the Internet on http://exxonmobil.com. 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, Mobil and Gargoyle SHC are trademarks of Exxon Mobil Corporation, or one of its subsidiaries. 

6-2011 

Copyright ? 2001-2013 Exxon Mobil Corporation. All rights reserved..

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