Group I Base Stocks
Our Group I base stock slate provides lubricant blender with the base oil interchange and viscosity-grade read-across capabilities. This allows for greater supply chain flexibility and simplified qualification testing requirements.
We ensure reliable delivery of consistent, quality base stocks by following rigorous processes, allowing you to confidently meet your business needs. Our CORE™ base stocks are designed to provide consistent quality and broad blending coverage, offering performance capabilities in applications, from engine oils to industrial lubricants. Americas CORE™ base stocks and AP/E CORE™ base stocks constitute two Group I base stock slates as defined within API/ATIEL guidelines for the formulation and qualification of automotive lubricants.
Benefits of ExxonMobil CORE™ Group I Base Stocks
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We develop our CORE™ base stocks for a variety of applications, providing broad blending coverage for lubricant manufacturers.
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With manufacturing and distributions sites across three continents, we have the flexibility and capacity to consistently meet Group I base stock demand.
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Our CORE™ base stocks deliver high quality and consistency, simplifying qualification testing requirements.
America’s CORE™
Specifications
| Property | Standard method (a) | Limit | CORE™ 100 | CORE™ 150 | CORE™ 600 | CORE™ 2500 |
|---|---|---|---|---|---|---|
| Appearance | Visual | Clear and Bright | Clear and Bright | Clear and Bright | Clear and Bright | |
| ASTM Color | ASTM D 1500 | Max | 1.5 | 1.5 | 4.0 | 6.0 |
| CCS Viscosity -25°C mPa*sec | ASTM D 5293 | Max | 1650 | |||
| CCS Viscosity -20°C mPa*sec | ASTM D 5293 | Max | 2100 | |||
| Flash Point, COC Dg C | ASTM D92 | Min | 194 | 210 | 246 | 294 |
| Kinematic Viscosity @ 40°C mm2/sec | ASTM D 445 | Min - Max | 18.5-21.0 | 29.0-32.0 | 109.0-116.0 | |
| Kinematic Viscosity @ 100°C mm2/sec | ASTM D 445 | Min - Max | 30.6-32.7 | |||
| NOACK Volatility wt% | ASTM D 5800 | Max | 30 | 20 | ||
| Pour Point Deg C | ASTM D 97 | Max | -18 | -15 | -6 | -6 |
| Viscosity Index | ASTM D 2270 | Min | 95 | 95 | 95 | 95 |
Asia Pacific, Europe, Middle East, Africa CORE™
Specifications
| Property | Standard method (a) | Limit | CORE™ 100 | CORE™ 150 | CORE™ 600 | CORE™ 2500 |
|---|---|---|---|---|---|---|
| Appearance | Visual | Clear and Bright | Clear and Bright | Clear and Bright | Clear and Bright | |
| ASTM Color | ASTM D 1500 | Max | 1.0 | 1.5 | 4.0 | 6.0 |
| CCS Viscosity -25°C mPa*sec | ASTM D 5293 | Max | 1650 | |||
| CCS Viscosity -15°C mPa*sec | ASTM D 5293 | Max | 1250 | |||
| Flash Point, COC Dg C | ASTM D92 | Min | 194 | 210 | 246 | 294 |
| Kinematic Viscosity @ 40°C mm2/sec | ASTM D 445 | Min - Max | 18.5-21.0 | 29.0-32.0 | 109.0-116.0 | |
| Kinematic Viscosity @ 100°C mm2/sec | ASTM D 445 | Min - Max | 30.6-32.7 | |||
| NOACK Volatility wt% |
ASTM D 5800 |
Max | 29.3 | 15.8 | ||
| Pour Point Deg C | ASTM D 97 | Max | -18 | -12 | -6 | -6 |
| Viscosity Index | ASTM D 2270 | Min | 95 | 100 | 95 | 95 |
(a) In lieu of standard test method, alternate test methods may be used for the certification of a product property.
Note 1: Products are certified on release to meet the values specified. Actual values may deviate within the established reproducibility of the test method specified.
Note 2: For purpose of determining conformance with specification, observed or calculated values shall be rounded off to the nearest unit in the last significant digit used in expressing the limiting value in accordance to the ASTM E 29 method.
Complementary and Specialty Group I Base Stocks
Other complementary and specialty Group I base stocks are available in the following regions.
| Americas | Europe, Middle East, Africa | Asia Pacific | |
|---|---|---|---|
| Complementary | |||
| Specialty |
SN 800 Canthus 1000 |
AP SN 800 |
"Our relationship with the ExxonMobil Basestocks team has enabled our business to grow 15% over the last year."*
-Emarat, automotive and industrial lubricant manufacturer
* This testimonial is based on the experience of a single customer. Actual results can vary depending upon the type of equipment used and its maintenance, operating conditions and environment, and any prior base stock used.
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Where to Buy
As a global producer of Group I and Group II base stocks, our supply chain optimization begins with our global manufacturing and reach, designed to simplify your logistics needs.
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Health & Safety
Detailed health and safety information for this product is provided in the safety data sheet (SDS), available upon request through your local sales representative or search our safety data sheets.
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