3M^TM Thinsulate^TM

Transform Automotive Silence with Precision-Converted 3M™ Thinsulate™ AU3002-4

3M™ Thinsulate™ Acoustic Insulation AU3002-4 delivers next-level sound absorption in a compressible, lightweight, non-linting mat designed for complex vehicle environments. With EKO-TECH as your 3M Select Converter, you gain access to tailored acoustic solutions: rewound, slit, sheeted, kiss-cut, die-cut, or laminated with trusted 3M™ adhesives to suit your unique application.

Whether you’re dampening engine noise or insulating wheel arches, we optimize 3M™ Thinsulate™ AU3002-4 for production-ready integration into your product line.

Applications of 3M™ Thinsulate™ AU3002-4

3M™ Thinsulate™ AU3002-4 is ideally suited for:

Vehicle interiors:
- Door panels
- Instrument panels
- Pillar trims
- Headliners
Cargo and rear spaces:
- Luggage compartment liners
- Package trays
Exterior automotive parts:
- Bumpers
- Wheel arch liners
Industrial and humid environments
Thanks to its hydrophobic fibers and high acoustic efficiency.

Superior Sound Absorption
Fine polypropylene fibers ensure excellent high-frequency noise reduction.

Superior Sound Absorption
Fine fibers ensure high acoustic energy capture with low material weight.
Lightweight & Durable
Only 16.7 kg/m³ density – designed for weight-sensitive automotive designs.
Non-Water Absorbing
Hydrophobic construction avoids moisture retention, mildew, and odor issues.
Thermal Stability
Withstands continuous temperatures up to 120°C – ideal for automotive under-hood and trim applications.
Non-Linting & Clean
Scrim reinforcement and dual-sided embossing improve abrasion resistance and cleanliness.
Flexible Processing Options
Ideal for ultrasonic welding, heat sealing, or adhesive bonding with tapes and hot melts.

Why Choose EKO-TECH as Your 3M Select Converter?

Partnering with EKO-TECH means gaining a proven, certified converting expert with in-depth knowledge of Thinsulate™ materials:

Precision Engineering
We tailor AU3002-4 to match your form, fit, and function requirements.
Fast Prototyping to Series Production
From R&D samples to high-volume delivery — we scale with you.
Guaranteed Process Control
Quality-driven workflows and ISO-certified production lines ensure consistent, reliable results.
Strategic Supply Chain Support
Seamless collaboration with 3M and flexible delivery formats for your plant or partners.

EKO-TECH Converting Services for 3M™ AU3002-4

We bring your acoustic vision to life through precision converting. Our services include:

Rewinding – custom roll lengths to match your production specs
Slitting – narrow or wide cuts with tight tolerance
Sheeting – flat panels for manual or robotic placement
Die & Kiss Cutting – intricate shapes, logos, or assembly-ready forms
Laminating – bonding AU3002-4 with 3M™ adhesives for direct application to plastic, metal, or fabric substrates

We simplify your supply chain by delivering plug-and-play acoustic insulation components – ready for assembly, packaging, or direct use.

Technical data

Composition web 65% polypropylene, 35% polyester
Composition scrim 100% polypropylene
Construction and colour White web with single black scrim and single white scrim on opposite sides, both sides
embossed
Material Thickness 19 mm (tested after 6 weeks on roll according SAE J1355 @ 0,002psi (14N/m²))
Surface weight 362 g/m² (web and scrim; tested on 315 x 315 mm samples)

Density 19,1 kg/m3
Flammability Self-Extinguishing (SE) as per SAE J369 (FMVSS 302, ISO 3795, DIN75200)
Temperature resistance 120°C (tested for 2000 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