Inside the Material: What Silent Foam Tires Are Made Of | Composition, Technology & Advantages Explained

Tuesday, October 21, 2025

A comprehensive deep dive into the core materials, acoustic engineering and performance benefits behind silent foam tires, optimized for SEO and EV-focused NVH improvement.

This is the table of contents for this article

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1. What Are Silent Foam Tires?
2. Core Materials Used in Silent Foam Tires
3. Manufacturing & Bonding Technology
4. Key Advantages
5. Potential Drawbacks
6. Typical Applications & Brand Examples
7. Future Trends

1. What Are Silent Foam Tires?

Silent foam tires are a modern NVH (Noise, Vibration, Harshness) engineering solution where a lightweight acoustic foam strip is attached to the inner tire cavity to absorb resonance and reduce road noise.

2. Core Materials Used in Silent Foam Tires

Open-cell Polyurethane (PU) Foam
- High sound absorption efficiency, ultra lightweight
- Customizable density and pore size per model and speed class
EVA / EPP Foamed Polymers
- Better thermal resistance and shape stability
- Frequently used in SUVs and high-performance EVs
Advanced Acoustic Composite Layers (premium tier)
- Multilayer nano-fiber + acoustic membrane
- Applied in luxury brands like Audi, Lexus, BMW

3. Manufacturing & Bonding Technology

High-temperature adhesive + 360° inner-cavity bonding
Thermoset acoustic material curing process
Dynamic rolling fatigue test (>1 million cycles)

4. Key Advantages

Reduces tire noise by 2–4 dB
Enhances cabin quietness and premium driving experience
Especially impactful for EVs (reduces motor high-frequency perception)

5. Potential Drawbacks

Slightly higher cost (+10%–15%)
Foam aging requires periodic inspection
Tire repair process differs from conventional tires

6. Typical Applications & Brand Examples

Audi A6 / Q5 – PU foam technology
Tesla Model 3 / Y – EVA-enhanced design
BMW 7 Series – multilayer acoustic composites

7. Future Trends

Intelligent acoustic tires for autonomous driving
Recyclable bio-based foam materials (eco direction)
Integration with Active Noise Cancellation (ANC)

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FAQ

FAQs

What specific functions can ASLONG's products provide?

Our products cover functions such as insulation, sound insulation, shock absorption, waterproofing and sealing, and are widely used in improving energy efficiency, reducing noise, controlling vibration, protecting equipment, etc., helping customers optimize engineering effects and improve user experience.

What industries are the products provided by ASLONG suitable for?

ASLONG's products are suitable for multiple industries, including air conditioning and HVAC, construction and waterproofing, automobiles and transportation, home appliances and electronics, industrial equipment and machinery, etc. We provide customized solutions for each industry to meet different needs.

How to customize products that meet the needs of my industry?

You only need to contact our sales or technical team, we will conduct an in-depth analysis based on your industry needs and provide tailor-made products and solutions. We guarantee to provide you with efficient and accurate services to meet your personalized requirements.

Does ASLONG provide after-sales service?

Yes, we provide a full range of after-sales services, including technical support, installation guidance, product maintenance and quality tracking, etc., to ensure that each project goes smoothly and continues to perform at its best.

Do ASLONG's products meet environmental protection standards?

Yes, all ASLONG products comply with ISO14001 environmental management system certification and global environmental protection standards. We use environmentally friendly materials and are committed to providing sustainable solutions to help customers achieve green development goals.

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