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Eko-tech Converting Company
3M™ Thinsulate™ AU3004-62025-07-04T11:14:33+02:00
3M Thinsulate
3M Thinsulate

3MTM ThinsulateTM

AU3004-6

Optimize Sound Dampening with Precision-Converted Thinsulate™ AU3004-6

3M™ Thinsulate™ Acoustic Insulation AU3004-6 is a lightweight, compressible, and non-linting acoustic material engineered for challenging automotive applications. Its unique fiber blend offers high acoustic energy absorption with minimal weight, making it ideal for OEMs and Tier 1 suppliers focused on performance, durability, and production efficiency.

EKO-TECH, as a 3M Select Converter, provides precision converting of AU3004-6, including rewinding, slitting, sheeting, die & kiss cutting, and laminating with advanced 3M™ adhesive systems. We help you implement Thinsulate™ AU3004-6 in your production with minimal waste and maximum flexibility.

Applications of 3M™ Thinsulate™ AU3004-6

AU3004-6 is specifically designed for:

  • Automotive interior insulation:

      • Door panels
      • Instrument panels
      • A-, B-, C-pillar trims
      • Headliners
  • Trunk and rear section soundproofing:

      • Package trays
      • Cargo compartment linings
  • Automotive exterior dampening:

      • Wheel arch liners
      • Bumpers and protective panels
  • Moist or high-humidity environments
    Hydrophobic fibers ensure performance without mold or odor risk.

Control Noise, Shape Efficiency

Discover 3M™ Thinsulate™ AU3004-6 with Custom Conversion by EKO-TECH!

Benefits of 3M™ Thinsulate™ AU3004-6

  • Superior Sound Absorption
    Fine polypropylene fibers absorb high-frequency noise with low mass.

  • Hydrophobic and Mold-Resistant
    No water absorption = no mildew or unpleasant odors.

  • Lightweight Structure
    With a density of 16.7 kg/m³ and 340 g/m² surface weight, it adds minimal weight to the assembly.

  • Non-Linting & Clean Handling
    Ideal for cleanroom environments and dust-sensitive applications.

  • Thermally Stable
    Maintains performance up to 120 °C continuous exposure.

  • Durable Construction
    Dual embossing and scrim layer improve abrasion resistance and bonding performance.

Why Partner with EKO-TECH – Your 3M Select Converter

EKO-TECH is not just a supplier—we’re a solution partner trusted across the automotive and industrial sectors:

  • Deep Expertise in Thinsulate™ Materials
    AU3004-6 is complex; we make it simple through technical support and application know-how.

  • Flexible Production
    From short-run prototypes to full-volume orders.

  • Certified Quality Assurance
    ISO-compliant, traceable converting with strict QC procedures.

  • Seamless Integration
    Components arrive ready for robotic or manual assembly.

Converting Capabilities for 3M™ AU3004-6 at EKO-TECH

We provide full-service converting of 3M™ Thinsulate™ AU3004-6, including:

  • Rewinding – into custom roll lengths for efficient handling

  • Slitting – to application-specific widths

  • Sheeting – for flat stock packaging or die cutting

  • Die Cutting & Kiss Cutting – precision parts in custom shapes

  • Laminating – with 3M™ adhesive transfer tapes or double-coated solutions

Our converting service ensures your material is ready to apply — no extra steps, no bottlenecks.

FAQ

What is the fiber composition of AU3004-6?2025-07-04T11:36:32+02:00

The web is composed of 62% polypropylene and 38% polyester, while the scrim is 100% polypropylene.

Can AU3004-6 be used in wet areas of the vehicle?2025-07-04T11:37:56+02:00

Yes. The hydrophobic fibers prevent water absorption, making it ideal for humid environments.

What is the typical thickness of AU3004-6?2025-07-04T11:39:24+02:00

Approximately 19 mm, tested after 6 weeks per SAE J1355 @ 0.002 psi.

How is AU3004-6 typically installed?2025-07-04T11:40:53+02:00

It can be attached via ultrasonic or heat spot welding, or laminated with 3M™ pressure-sensitive adhesives.

Do you offer AU3004-6 samples or custom prototypes?2025-07-04T11:42:25+02:00

Yes. EKO-TECH provides samples, short runs, and scaled production for testing and integration.

Downloads

3m-thinsulate-auxx04-6-series-tds_R2-1
3m-auto-acoustic-cellum-gb-3-new-portfolio-2023-1

Ready to Integrate 3M™ Thinsulate™ AU3004-6 into Your Product?

Partner with EKO-TECH to get the most from Thinsulate™ AU3004-6. Our converting expertise ensures this high-performance acoustic insulation arrives exactly how you need it—ready to install. Request a Custom Quote Now

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