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Lithium Complex
Extra-duty, heavy-duty, and extreme pressure applications.
Simple Lithium
Heavy-duty multi-purpose greases for extreme pressure applications.
Polyurea
For filled-for-life and high-speed motor applications.
Specialty
Extra-duty product for sprayable applications.
Calcium Sulfonate Complex
Outstanding oxidation and thermal stability.
Main Qualities of Grease
Qualities that are measured & rated:
- Consistency
- Viscosity
- Heat Resistance
Consistency
The measure of consistency is called penetration. This grease classification is assigned by the National Lubricating Grease Institute (NLGI) and measured with a tool called a penetrometer instrument.
Viscosity
Viscosity is the most important characteristic of grease. Like other lubricants, base oil primarily provides the lubricant film, but it’s the thickener that holds it together. Film thickness is a result of viscosity. When increasing the speed of rotation, the viscosity will need to decrease to provide a more protective film thickness and create a greater resistance to flow.
The classification system for grease viscosity was established by the International Standards Organization (ISO) and is determined using a tool called a viscometer.
Heat Resistance
Heat resistance identifies at what temperature the performance of grease is compromised. This measurement process and the quality control benchmarks are developed by the American Society for Testing Materials (ASTM) and is called the Dropping Point.
The Dropping Point identifies the maximum temperature when grease transforms from a semi solid to a liquid and loses its protective qualities. This measurement is determined using a thermometer and aluminum block oven.
Thickening agents are minerals or synthetic materials that are added to liquid lubricants (base oil) in order to transform the compound into a semi-solid grease form. Different thickening agents create different consistencies of grease.
Simple Lithium
Simple Lithium greases are a good general-use product with low-temperature properties such as pumpability and good working stability. It’s good for load-carrying, shear stability and is water resistant.
Chevron Ultra-Duty HD
Chevron Multifak®
Lithium Complex
Lithium complex greases provide excellent oxidation and thermal stability performance at high operating temperatures. They provide good water resistance and load carrying properties, but are less effective with cold temperature pumpability.
Chevron Starplex® EP
Chevron Starplex® HD
Lithium Complex with Molybdenum Disulfide
Comprehensive line of greases that are available with molybdenum disulfide. These greases are designed for plain and anti-friction bearing applications operating under high stress/high load conditions, coupled with high ambient temperatures typically found in heavy duty off-road applications.
Chevron Starplex® HD M3
Chevron Starplex® HD M5
Polyurea
Polyurea greases are non-metallic with antioxidant capabilities. They provide good thermal stability and high-temperature performance but are less effective for shear stability. Polyurea greases are an ideal choice for sealed-for-life applications.
Chevron Black Pearl®
Specialty
Calcium-based grease that resists washout and provides good film strength and load carrying capabilities.
Chevron Texclad®
Calcium Sulfonate Complex
Calcium sulfonate complex greases offer superior attributes in most product performance attributes. They provide outstanding oxidation and thermal stability at higher operating temperatures, as well as water resistance and load carrying properties.
Chevron Rykon® EP
Chevron Rykon® HD
| NLGI Number | ASTM worked (60 strokes) penetration at 25 °C tenths of a millimetre |
Appearance | Food Consistency Analogy |
|---|---|---|---|
| 000 | 445-475 | Fluid | Cooking Oil |
| 00 | 400-430 | Semi-Fluid | Apple Sauce |
| 0 | 355-385 | Very Soft | Brown Mustard |
| 1 | 310-340 | Soft | Tomato Paste |
| 2 | 265-295 | “Normal” Grease | Peanut Butter |
| 3 | 220-250 | Firm | Vegetable Shortening |
| 4 | 175-205 | Very Firm | Frozen Yogurt |
| 5 | 130-160 | Hard | Smooth Pâté |
| 6 | 85-115 | Very Hard | Cheddar Cheese |
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