Lubricants for Noise and Vibration Reduction

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Lubricants That Solve Auto Noise and Vibration Problems

Modern automobiles are designed to provide a more comfortable and quiet driving experience compared to their predecessors. However, this can lead to the amplification of faint noises and small rattles that were previously overlooked.

Noise, vibration, and harshness (NVH) as well as buzz, squeak, and rattle (BSR) can arise from various sources both inside and outside the vehicle. These sources can include interactions between rubber and paint, metal and plastic, or even leather on leather, as well as noises originating from the engine itself.

To address NVH and BSR issues effectively, Krytox™ performance lubricants offer the following advantages:

Easy application: Krytox™ lubricants can be easily applied by spraying or brushing onto the desired surfaces, allowing for convenient and precise application.
Superior durability: These lubricants are impervious to the harshest conditions, such as rain, snow, ice, salt, dust, and dirt. They provide long-lasting lubrication, ensuring continued performance under challenging environmental circumstances.
Chemical resistance: Krytox™ lubricants are resistant to fuel, coolant, brake fluid, and washer solvent, maintaining their integrity and lubricating properties even in the presence of these substances.
Long-term stability: These lubricants do not evaporate or undergo significant changes in their characteristics over the lifetime of an automobile. They remain consistent and effective, contributing to sustained noise reduction and improved driving experience.
Compatibility: Krytox™ lubricants are compatible with all other materials and surfaces they come into contact with, ensuring compatibility with various components and minimizing the risk of adverse reactions or damage.

In summary, Krytox™ performance lubricants offer an ideal solution for addressing NVH and BSR concerns in modern cars. Their ease of application, durability, chemical resistance, long-term stability, and compatibility make them a reliable choice for reducing unwanted noise and ensuring a quieter and more comfortable interior driving environment.

Krytox Meeting Driver and Passenger Expectations

In response to customer demands, automakers have dedicated extensive efforts over the years to reduce noise, vibration, and harshness (NVH) and address buzz, squeak, and rattle (BSR) issues. They have employed passive design techniques and incorporated active technology features to achieve these goals.

When purchasing a new car, buyers place significant importance on noise and vibration performance, especially with the rise of electric vehicles (EVs). These factors often shape the perception of a vehicle's quality and value. Beyond being merely annoying, customers seek quiet and smooth-riding cars for several important reasons, including:

Reduced driver fatigue: Excessive noise levels in the low- and mid-frequency range can significantly contribute to driver fatigue. Minimizing these noises enhances the comfort and well-being of drivers, enabling them to remain alert and focused during long journeys.
Clear conversations: Higher frequency noise levels can impede the ability to have conversations within the vehicle. By reducing these noises, automakers create an environment conducive to clear and uninterrupted communication among passengers, improving the overall driving experience.
Physical and mental well-being: Excessive noise can lead to headaches, stress, and irritation, affecting both the physical and mental well-being of occupants. By prioritizing noise reduction, automakers strive to create a more serene and pleasant driving environment that promotes relaxation and minimizes negative health effects.
Comfortable ride: Vibrations in the vehicle can cause discomfort and irritation. By minimizing vibrations, automakers aim to provide a smoother and more enjoyable ride, ensuring passenger comfort and satisfaction.

Where to Use Krytox™ Automotive Lubricants?

The many automotive applications of Krytox™ PFPE lubricants generally fall into two categories:

Under the Hood

Under the hood temperatures are gradually rising as aerodynamics dictate tighter packaging and large engines are being replaced by smaller turbocharged and supercharged engines for improved fuel efficiency. With ambient under the hood temperatures exceeding 120 °C (248 °F), there is a growing list of automotive applications requiring PFPE lubricants, including:

Overrunning decouplers for alternator drive pulleys
Front end accessory drive (FEAD) tensioners and idlers
Throttle body bearings
Exhaust gas recirculation (EGR) valves
Intake manifold seals and actuators
Fan clutch bearings
Fuel system emission control valves
Electric cooling system pumps and valves
Ignition system boots

Vehicle Interior and Exterior Noise, Vibration and Harshness (NVH)

Krytox™ lubricants are an effective, long-term solution to buzz, squeak, and rattle (BSR) noises inside and outside the vehicle cabin. These PFPE oils and greases can be trusted to reduce noise, both from friction between surfaces and from mechanical vibration, without any material compatibility issues or hazardous volatile organic compounds (VOCs). Some applications include: