NyoGel® 975F: Silicone-Free Motion Control Grease
Typical uses of grease include controlling motion, providing a quality feel, and reducing noise and vibration in addition to the fundamental reduction of friction and wear. As vehicles shift toward fully electric designs, eliminating unwanted noise and vibration will require more attention. One critical consideration for the automotive industry is performance over a wide temperature range from -40 to 120 °C.
Silicone lubricants meet the typical automotive standards; however, silicone migration is a concern. The technical challenge is to formulate alternatives to silicone-based lubricants with comparable properties. In applications where migration is not an issue, we offer a line of high-performance silicone motion control lubricants.
Nye has developed a new technology that approaches the temperature performance of a silicone-based lubricant. NyoGel® 975F is the first in a series of synthetic hydrocarbon-based lubricants that will provide consistent performance over the automotive interior temperature range of -40 to 120 °C. This new silicone-free grease also provides advanced wear protection that outperforms heritage silicone and hydrocarbon lubricants used in automotive interior applications. NyoGel® 975F meets these needs and fulfills our customers’ requirements for sensitive and demanding applications.
Advantages of NyoGel® 975F
- Imparts a consistent, quality feel over a wide temperature range
- Reduces noise
- Controls precision motion
- Compatible with most plastics & elastomers
- Prevents friction & wear
- Extends component Life
Applications That Require Silicone-Free Grease:
Interior automotive components face a unique set of lubrication challenges. Center consoles, storage compartments, and seat tracks are just a few areas where users expect smooth, noise-free operation. Lubrication is often a cost-effective solution for engineers looking to reduce noise and impart a smooth, quality feel within their design.
- Compartments
- Seating
- Shifter
- Steering
- Ball Joints
- Slides
- Gears
- Dials / Knobs
Advanced Motion Control Properties
Nye chemists have developed a series of advanced test methods to validate the performance of a grease under dynamic conditions observed in the automotive industry.
Product | Viscosity Ratio | Elastic Modulus | Viscous Modulus |
---|---|---|---|
Heritage Silicone | 3.5 | 27 | 59 |
NyoGel® 975F | 24.4 | 62 | 100 |
Heritage Hydrocarbon |
32.2 | 66 | 100 |
Consistency Over Wide Temperature Range
The viscosity ratio (VR) shows the grease’s viscous consistency from -40 to 120 °C; a VR of 1 would be ideal. A hand-operated component, such as a shifter or sun visor, must provide the same actuation force regardless of temperature to give the user the same quality feel. At the wide operating temperatures observed in the automotive industry, NyoGel® 975F outperforms an industry embraced heritage hydrocarbon lubricant. Note, we can measure the shear response at different strains to simulate a customer’s application. For example, the strain ratio can demonstrate how grease will behave in a dial; rotating a dial should feel the same, regardless of the turning speed.
Test Conditions: -40 to 120 °C at 100% Strain. A lower value is better.
Consistency Over Repeated Motion
Nye’s chemists have developed a custom flow test that measures the recovery of the grease’s structure after repeated use. A 100% recovery is ideal. Our test method can be modified to model the frequency of a component’s usage. This test method provides two parameters that describe the structure recovery. The elastic modulus (solid-like properties) measures thickener interactions. The viscous modulus (liquid-like properties) measures the base oil. Observing how a grease recovers over time is essential to a customer’s design so that each actuation feels the same. As shown in the graph below, NyoGel® 975F performs significantly better than the heritage silicone.
Test Conditions: 25 °C. A higher value is better. Blue represents the Elastic Modulus value. Yellow represents the Viscous Modulus value.
Typical Properties
Lubricant Properties | Conditions | NyoGel® 975F | Test Methods |
---|---|---|---|
Base Oil | — | Hydrocarbon | — |
Temperature Range | — | -40 to 125 °C | — |
Kinematic Viscosity | 40 °C 100 °C |
862 cSt 95 cSt |
ASTM D445 |
Flash Point | — | 250 °C | ASTM D92 |
Color, Appearance | — | Light tan, Smooth | — |
Worked Penetration (P60) | 25 °C | 311 | ASTM D217 |
Density | 25 °C | 0.88 g/ml | CTM* |
Dropping Point | — | 288 °C | ASTM D2265 |
Oil Separation | 24 h, 100 °C | 2.1% | ASTM D6184 |
Evaporation | 24 h, 100 °C | 0.08% | CTM* |
Copper Corrosion | 24 h, 100 °C | 1A | ASTM D4048 |
Oxidative Stability (PDSC) | 24 h, 150 °C | No exotherm | ASTM D5483 |
4 Ball Wear | 40 kg load, 1200 RPM, 60 min, 75 °C | 0.55 mm | ASTM D2266 |
MTM Wear Rate | 100 °C | 1.17 µm3/mm | CTM* |
Low Temperature Torque | -40 °C | Starting Torque: 2383 g·cm Running Torque (10 min): 840 g·cm Running Torque (60 min): 810 g·cm |
ASTM D1478 |
Packaging Options
Nye greases are available in a variety of packaging sizes for both high and small volume dispensing.
- 1 kg jars
- 7 & 35 lb pails
- 110 lb kegs
- 385 lb drums
If your application requires a specific container, please contact us for custom packaging.
Want to learn more? Contact Us to request a sample.