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3M™ AU1220 Thinsulate™2025-07-07T10:05:11+02:00
3M Thinsulate
3M Thinsulate

3MTM ThinsulateTM

3M™ AU1220 Thinsulate™

What is 3M™ AU1220 Thinsulate™ Acoustic Insulation?

3M™ Thinsulate™ Acoustic Insulation AU1220 is a cutting-edge sound-absorbing material designed to reduce interior vehicle noise and enhance passenger comfort. Using a proprietary mix of fine microfibers and loft-retaining structures, it provides exceptional mid- to high-frequency sound absorption, making it ideal for automotive NVH (Noise, Vibration & Harshness) control.

Where to Use AU1220

3M™ AU1220 Thinsulate™ Acoustic Insulation is ideal for:

  • Door Panels

  • Headliners

  • Instrument Panels

  • Trunk Liners

  • Pillars & Parcel Trays

  • Carpet/Dashmats

  • Underbody & Underfloor Areas

  • Wheel Well Linings

  • Variable Cavity Damping Zones

Its versatility and conformability make it suitable across a range of vehicle classes and acoustic control zones.

Key Benefits – Why Choose 3M™ AU1220?

  • Market-Leading Acoustic Performance

    • Delivers more acoustic absorption per unit weight than many alternatives
    • Enhances cabin quietness and ride comfort
  • Supports Lightweight Design Goals

    • Thin, low-mass, high-efficiency non-woven structure
    • Aids automotive OEMs in meeting vehicle mass reduction targets
  • Moisture & Mold Resistant

    • Naturally resistant to mildew without needing added waterproofing layers
  • Installation-Friendly

    • Easy to cut, conform, and install using thermal, ultrasonic, or adhesive bonding
    • Better handling than felt, PET, or fiberglass alternatives
  • Efficient, Proven Material

    • Caliper: 14 mm
    • Basis Weight: 142 g/m²
    • White scrim finish

Converter Benefits – Why Work with a 3M Select Converter & Eko-Tech?

Why Choose Eko-Tech?

  • Proven expertise in high-precision converting of acoustic and thermal materials

  • Fast turnaround and custom solutions tailored to your production workflow

  • ISO-certified quality, flexible MOQs, and experienced engineering support

  • European reach with localized support

3M Select Converter Advantage

  • Direct access to 3M’s technical resources and material innovations

  • Quality-assured sourcing and authorized converting capabilities

Converting Services by Eko-Tech – Tailored to Fit Your Application

As an experienced 3M Select Converter, Eko-Tech transforms 3M™ AU1220 Thinsulate™ Acoustic Insulation into ready-to-use formats:

  • Rewinding – To custom roll lengths

  • Slitting – To precise widths

  • Sheeting – Flat-cut sheets to spec

  • Die Cutting – Custom parts for interior trims or cavities

  • Kiss Cutting – Multi-part designs with easy peel release

We design and modify insulation formats to meet your NVH goals, reduce waste, and simplify integration into your production.

FAQ

Can Eko-Tech provide die cut prototypes?2025-07-07T09:37:58+02:00

Absolutely. We support rapid prototyping with our advanced die and kiss cutting equipment.

What’s the minimum order for custom-cut formats?2025-07-07T09:37:48+02:00

Eko-Tech offers flexible order quantities depending on your application and timeline.

Do I need an additional waterproof layer?2025-07-07T09:37:38+02:00

No. AU1220 is inherently resistant to moisture and mildew, making it ideal for automotive interiors.

Can AU1220 be heat-sealed or welded?2025-07-07T09:37:28+02:00

Yes, it can be ultrasonically welded or thermally bonded to compatible substrates.

How is AU1220 different from other acoustic insulations?2025-07-07T09:37:20+02:00

It provides high acoustic absorption with lower weight. It’s also mold/moisture resistant and easier to install than fiberglass or shoddy alternatives.

Downloads

AU1220-1320-2020-3020-4020-6020.pdf

Ready to Silence the Noise?

Contact Eko-Tech today to discuss your project and get a tailored converting solution for 3M™ AU1220 Thinsulate™ Acoustic Insulation. Optimize your design for acoustic excellence — from prototype to production.Let’s Build a Quieter Future

Eko-Tech Converting Company
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