NVH Improvement, Friction Noise Reduction, and Stick-Slip Control 

Reduce squeak noise, friction-induced vibration, stick-slip behavior, and Noise, Vibration, and Harshness (NVH) issues in engineering plastic applications through advanced friction-control technologies.

 Reduce Friction Noise and Improve NVH Performance  

Squeak noise generated by friction between plastic components can negatively affect product quality, customer perception, and long-term performance. These issues are commonly observed in automotive interiors, consumer products, household appliances, and industrial assemblies where repeated sliding or intermittent contact occurs.

Anti-squeak additives help reduce friction-induced noise and improve Noise, Vibration, and Harshness (NVH) performance by stabilizing friction behavior at critical contact interfaces.

 Common Causes of Squeak Noise 

Friction noise in polymer systems is often caused by unstable motion at the contact interface between two materials. This phenomenon can occur between plastic components or between plastics and dissimilar materials such as leather, coated surfaces, or metal parts.

Common challenges include:

・Squeaking during sliding or intermittent motion.
・Stick-slip behavior causing vibration and audible noise.
・Noise generation in automotive interior components.
・Performance variation over time and temperature changes.
・Inconsistent friction behavior at contact surfaces.

What Causes Squeak Noise in Engineering Plastics? 

Friction noise in polymer systems is often caused by unstable motion at the contact interface between two materials. This phenomenon can occur between plastic components or between plastics and dissimilar materials such as leather, coated surfaces, and metal parts.

Changes in friction behavior can lead to audible squeak noise, vibration, and inconsistent long-term performance.

  • Squeaking during sliding or intermittent motion
  • Stick-slip behavior causing vibration and noise
  • Noise generation in automotive interior components
  • Performance variation due to temperature and environmental changes
  • Inconsistent friction behavior at contact surfaces

 How Stick-Slip Motion Generates Noise 

Stick-slip occurs when static friction and kinetic friction differ significantly during movement. As surfaces repeatedly stick and slide, vibration is generated and may become audible as squeak noise.

The severity of squeak noise depends on factors including material combinations, surface conditions, contact pressure, temperature, humidity, and component design.

How Anti-Squeak Additives Improve NVH Performance 

Anti-squeak additives help stabilize friction behavior at the contact interface between materials. Rather than allowing repeated transitions between sticking and sliding, they promote smoother and more consistent motion.

By suppressing stick-slip behavior, anti-squeak additives reduce friction-induced vibration, lower noise generation, and contribute to improved NVH performance in engineering plastic applications.

 Benefits of Anti-Squeak Additives 

  • Reduces squeak and friction-induced noise
  • Improves Noise, Vibration, and Harshness (NVH) performance
  • Helps suppress stick-slip behavior
  • Stabilizes the coefficient of friction
  • Supports long-term noise reduction performance
  • Provides consistent operation under dynamic conditions
  • Improves perceived product quality and user experience
  • Enhances tribological performance in polymer systems

 Applications 

Anti-squeak additives are used in engineering plastic systems where friction control, squeak prevention, and NVH improvement are required.

  • Automotive Interior Components
  • POM Components and Assemblies
  • PA Resin Applications
  • PC, ABS, and PC/ABS Systems
  • Consumer Electronics
  • Household Appliances
  • Industrial Sliding Components
  • Multi-Material Contact Interfaces

 Featured Technology 

MODIPER® AS Series is designed to reduce squeak noise, stabilize friction behavior, and improve tribological performance in engineering plastics and multi-material contact applications.

Explore MODIPER® AS Series technologies for automotive, industrial, consumer product, and engineering plastic applications requiring friction noise reduction and NVH improvement.

View MODIPER® AS series