How Do Whitmore Matrix Greases Prevent Bearing Wear?
Whitmore Matrix extreme service greases are formulated with a high-performance calcium sulfonate complex thickener system. This specialized thickener chemistry delivers a protective boundary layer similar to molybdenum disulfide, protecting industrial bearings, bushings, pins, and slides under slow speeds and extreme shock loads. By utilizing a high-viscosity base oil with polymers—achieving a kinematic viscosity of 800 cSt at 40°C—Matrix greases maintain an exceptionally strong lubricating film that resists heavy mechanical shearing and extreme pressure.
Unlike conventional lithium-complex greases, the calcium sulfonate complex inherently neutralizes acids and resists reactions with caustic chemicals. This chemical resistance makes Whitmore Matrix highly effective in corrosive environments. In real-world applications, it has successfully prevented equipment corrosion despite continuous, multi-year exposure to aggressive phosphoric acid fumes.
How Do Matrix EP and Matrix M Perform in High-Temperature Environments?
Industrial applications such as oven conveyors, plastic extruders, and rotary unions subject bearings to extreme thermal stress. Whitmore Matrix EP and Matrix M are designed to operate safely within a continuous temperature range up to 400°F (200°C). Under extremely demanding conditions, these greases can withstand continuous operating temperatures of 550°F (288°C), provided the bearings are replenished every 30 minutes with normal quantities of grease.
Additionally, both grease formulations can sustain occasional temperature spikes up to 600°F (315°C) for brief periods of 5 to 10 minutes. Because they are based on a calcium sulfonate complex thickener, they do not melt or carbonize during these short-term spikes, keeping critical equipment protected against catastrophic seizure.
What Is the Difference Between Whitmore Matrix EP and Matrix M?
While both greases utilize the same robust calcium sulfonate complex thickener system and share equivalent thermal and acid-neutralizing capabilities, they differ in their friction-reduction additives and specific mechanical test performances:
- Whitmore Matrix EP: Formulated without solid additives, this grade relies on its premium calcium sulfonate thickener system to protect against wear. Matrix EP 2 is highly recommended for electric motor bearings, supporting DN operating speeds up to 250,000. It features exceptional water washout resistance, showing less than 2% loss in ASTM D-1264 testing.
- Whitmore Matrix M (with Moly): This variation incorporates molybdenum disulfide (moly) to further enhance its load-carrying and extreme pressure capacity. The addition of solid moly provides a secondary physical barrier on metallic contacts, making it optimal for extremely slow-speed, high-load machinery. In ASTM D-2266 wear testing, Matrix M EP 1 achieves a highly restrictive scar width of 0.44 mm.
Which Industry Standards and OEM Specifications Do Matrix Greases Meet?
Whitmore Matrix lubricants are engineered to comply with stringent global industrial and manufacturer standards to ensure drop-in compatibility across heavy machinery fleets. Both Matrix EP 2 and Matrix M EP 2 meet the Bucyrus International specification for multi-purpose grease (SD 4711), certifying them for heavy earthmoving and mining applications.
Furthermore, under the DIN 51502 standard, Matrix EP 2 is classified as KP2R -20. Matrix M grades 1 and 2 meet the DIN standards KP0R -20, KP1R-20, and KP2R-10. Additionally, Andritz Separation, Inc. of Arlington, Texas, has formally approved Whitmore Matrix EP Grease for use in the automatic lubrication systems of their proprietary tilting pan filters, confirming its pumpability and stability under continuous operating conditions.
Summary
- Calcium Sulfonate Thickener: Inherently neutralizes industrial acids and resists water washout, with less than 2% loss in ASTM D-1264 testing.
- High-Temperature Capabilities: Safe for continuous duty up to 400°F, and up to 550°F when replenished every 30 minutes.
- Moly Solid Additive: Matrix M includes molybdenum disulfide for enhanced extreme-pressure boundary protection on heavily loaded pins, bushings, and low-speed bearings.
- OEM Approvals: Approved by Andritz Separation for tilting pan filter automatic lubrication systems, and meets Bucyrus International SD 4711 standards.
Products discussed in this episode
- WHITMORE MATRIX EP 2 w/Liner Pail Greases
- Matrix M EP 2 Greases
- MATRIX EP 0 50 CT CART Greases
- WHITMORE MATRIX EP 1 50 CT Cartridges Greases
- Matrix M EP 1 Greases
- MATRIX TK EP 2 w/Liner Keg Greases
- WHITMORE MATRIX TK EP 2 w/LINER Drum Greases
- MATRIX TK EP 2 50 CT CART Greases
- MATRIX TK EP 2 Liner Pail Greases
- WHITMORE MATRIX TK EP 2 Pail Greases
- MATRIX TK EP 2 Drum Greases
- MATRIX LC 2 50 CT CARTRIDGES Greases
- WHITMORE MATRIX LC 2 Liner Keg Greases
- MATRIX LC 2 Pail Greases
- MATRIX LC
- WHITMORE MATRIX LC 1 Liner Keg Greases
- MATRIX LC 1 Keg Greases
- MATRIX LC
- WHITMORE MATRIX EP 2 50 CT CARTRIDGES Greases
- MATRIX EP 2 Liner Keg Greases
- MATRIX EP 2 Liner Drum Greases
- WHITMORE MATRIX EP 2 Pail Greases
- MATRIX EP 2 Keg Greases
- MATRIX EP
- WHITMORE MATRIX EP 2 One Way Tote Greases
- MATRIX EP 1 Liner Pail Greases
- MATRIX EP 1 Liner Keg Greases
- WHITMORE MATRIX EP 1 Liner Drum Greases
- MATRIX EP 1 Pail Greases
- MATRIX EP 1 Keg Greases
- WHITMORE MATRIX EP 1 Drum Greases
- MATRIX EP 0 Liner Pail Greases
- MATRIX EP
- WHITMORE MATRIX EP 0 Keg Greases
- MATRIX EP 0 Drum Greases
- Matrix EP
- WHITMORE Matrix EP 0 Tote Greases
- Matrix EP 1 Tote Greases
- Matrix EP 2 Tote Greases
Browse all Whitmore products on PE Energy Industrial Supply.
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