3M^TM Thinsulate^TM

High-Performance Sound Control with 3M™ Thinsulate™ AU4002-6 – Processed Precisely at EKO-TECH

Q: What processing methods are compatible with AU4002-6?

The material can be ultrasonically or heat spot welded , or bonded with adhesives , including pressure-sensitive and hot melt systems.

Q: Can you supply AU4002-6 in die-cut parts?

Absolutely. EKO-TECH offers die-cut, kiss-cut, or sheeted formats depending on your assembly line needs.

Q: Do you support short runs or prototypes?

Yes – we support both R&D batches and mass production , with quick turnarounds.

Looking to enhance cabin quietness and comfort in automotive design? 3M™ Thinsulate™ Acoustic Insulation AU4002-6 delivers premium sound absorption while being lightweight, clean-processing, and hydrophobic. Its unique construction ensures reduced noise transfer and superior material integrity, even in humid or high-use environments.

At EKO-TECH, we take this material further. As a 3M Select Converter, we provide full-scale customization services for AU4002-6 – including rewinding to length, precision slitting, sheeting, die-cutting, kiss-cutting, and laminating with 3M™ adhesive systems tailored to your assembly process.

Where AU4002-6 Works Best

3M™ Thinsulate™ AU4002-6 is specifically designed for demanding acoustic applications in:

Vehicle Interiors
- - Door panels
- - Instrument panels
- - Pillar trims
- - Headliners
Luggage & Trunk Areas
- - Package trays
- - Load floor insulation
Exterior Automotive Components
- - Wheel arch liners
- - Bumper cavities
Humid & Wet Environments
- - Ideal due to its hydrophobic fiber structure that resists water, mildew, and odor development.

Maximize Sound Insulation Performance with 3M™ Thinsulate™ AU4002-6

Custom Cut, Laminated & Delivered by EKO-TECH!

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Why Choose 3M™ Thinsulate™ AU4002-6?

Excellent Acoustic Absorption
Ultra-fine polypropylene fibers enable outstanding sound energy absorption with minimal weight impact.
Low Density, High Performance
Weighing only 317 g/m² with a density of 16.7 kg/m³, it delivers efficiency without structural compromise.
Superior Moisture Resistance
Thanks to its hydrophobic composition, it resists moisture and helps prevent mold and odor buildup.
Enhanced Thickness
With a material thickness of 26 mm, AU4002-6 offers improved damping in critical areas.
Abrasion Resistance & Stability
Embossed surfaces and scrim backing improve mechanical durability and adhesion.
Heat Tolerance
Tested for resistance up to 462°C over 2000 hours – ideal for challenging thermal zones.

Why Work with EKO-TECH – Certified 3M Select Converter

EKO-TECH isn’t just a converter – we are a trusted engineering and production partner.

Deep Knowledge of 3M Thinsulate™ Portfolio
We know how to extract maximum value from AU4002-6 for your specific project.
End-to-End Manufacturing Flexibility
From prototypes to high-volume production, we ensure quality and repeatability.
Customized Formats & Ready-to-Apply Parts
Reduce waste and increase efficiency with component-ready materials.
Reliable Supply & Consistency
ISO-based systems, quality control, and dependable delivery cycles.

Our Converting Services for AU4002-6

We offer full converting capabilities tailored to AU4002-6:

Rewinding to Custom Lengths – matching your process requirements
Slitting to Width – for narrow rolls or exact-fit liners
Sheeting – ideal for flat application or pre-assembly
Die & Kiss Cutting – from basic shapes to complex forms
Laminating – with the optimal 3M™ adhesive for bonding to plastics, metals, or textiles

Whether you need material on roll or precision die-cut parts, EKO-TECH delivers performance and precision.

Technical data

Composition web 65% polypropylene, 35% polyester
Composition scrim 100% polypropylene
Construction and colour White web with single black scrim, both sides embossed
Material Thickness 26 mm (tested after 6 weeks on roll according SAE J1355 @ 0,002 psi (14 N/m²))
Surface weight 462 g/m² (web and scrim; tested on 315 x 315 mm samples)
Density 17 kg/m3
Flammability Self-Extinguishing (SE) as per SAE J369 (FMVSS 302, ISO 3795, DIN75200)
Temperature resistance 120° C (tested for 2,000 hours)

Storage Rolls need to be stored upright
Availability
Die cuts as per customer requirement
– plain cut, hot trim edge or sealed edge
– available with adhesive
Acoustical Properties – Alpha Cabin
Alpha Cabin Measurement with 1.2 m² sample measuring Random In

FAQ

What is the composition of AU4002-6?Monika Kluk2025-07-04T09:36:46+02:00

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Ready to Enhance Your Acoustics with 3M™ Thinsulate™ AU4002-6?

Partner with EKO-TECH for a perfectly converted, application-ready acoustic insulation solution – engineered for performance, processed for precision. Request a Custom Quote Today

Contact Us!

High-Performance Sound Control with 3M™ Thinsulate™ AU4002-6 – Processed Precisely at EKO-TECH

Where AU4002-6 Works Best

Why Choose 3M™ Thinsulate™ AU4002-6?

Why Work with EKO-TECH – Certified 3M Select Converter

Our Converting Services for AU4002-6

Technical data

FAQ

What is the composition of AU4002-6?

Is this insulation suitable for wet areas?

What processing methods are compatible with AU4002-6?

Can you supply AU4002-6 in die-cut parts?

Do you support short runs or prototypes?

Downloads

Products in the same category:

Ready to Enhance Your Acoustics with 3M™ Thinsulate™ AU4002-6?

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