Publication: Sep 14, 2022 Last updated: Sep 09, 2025

Amplifying car audio performance with TPE compounds


KRAIBURG TPE, a global TPE manufacturer of a diverse range of thermoplastic elastomer products and custom solutions for a variety of industries, offers THERMOLAST® K GP/FG and AD1/AP series of TPE compounds suitable for automotive interior applications, such as speaker seals and covers. 

KRAIBURG TPE, a global TPE manufacturer of a diverse range of thermoplastic elastomer products and custom solutions for a variety of industries, offers THERMOLAST® K GP/FG and AD1/AP series of TPE compounds suitable for automotive interior applications, such as speaker seals and covers.

The global market for in-vehicle technology is expected to grow due to increased demand for robust features in in-car electronics systems. Technological advancements in connected automobile ecosystem, such as audio speaker systems providing entertainment and information to passengers in automobiles, will drive consumers to seek a more valuable, seamless user experience.

Manufacturers have focused on optimizing the performance and design of entertainment systems by applying connected technology and with breakthrough materials such as thermoplastic elastomers (TPE).

GP/FG series – multifaceted solution for vehicle applications

KRAIBURG TPE’s THERMOLAST® K GP/FG series of compounds is ideal for providing effective sealing in car interiors and speaker systems.  

The series complies with VDA270 (odor), VDA278 (VOC and Fog), and DIN 75201-B (fogging), assisting in meeting tighter air quality regulations in car interiors.

When it comes to design, the GP/FG series delivers extra soft-touch and dry haptic qualities for greater passenger comfort and a luxurious feel.

Other material advantages include easy coloring, especially for natural color compounds, outstanding mechanical and processing qualities, superb adherence to PP and wide hardness range.

AD1/AP series – material choice for the Asia Pacific market

KRAIBURG TPE’s THERMOLAST® K AD1/AP series is best suited for hard-soft composite components with high surface quality requirements.

This series, which meets recognized OEM emission and odor specifications, is ideal for use in automobile carpets, cup holders, and door sills, as well as automotive audio system applications.

This series also reduces rattling and creaking noise when utilized as a damping element.

Furthermore, this series exhibit good adhesion to polar thermoplastics like PC, ABS, and ABS/PC, various hardness, and are available in black and natural color. In addition, color matching service is available for specific OEM color. This series is also UL/HB listed.

The AD1/AP series is aimed primarily for the Asia Pacific vehicle interior and industrial parts markets.

Sustainability successes of our TPE

Besides the materials for car audio system applications, KRAIBURG TPE’s recent sustainability innovations include a specially developed material solution for consumer, and industry applications comprising post-consumer recycled (PCR) and post-industrial recycled (PIR) content.

Are you looking for a sustainable TPE solution? Talk to us!

Our experts are happy to answer any questions you have, as well as to offer the right solution for your application.

KRAIBURG TPE Quick Facts
 

  • Founded in 2001 as an independent business unit of the KRAIBURG Group 
  • HQ & Production Site: Waldkraiburg / Germany
  • Regional HQ & Production site: Kuala Lumpur / Malaysia, Atlanta / USA
  • Products: Thermoplastic Elastomer Compounds
  • Brands: THERMOLAST®, COPEC®, HIPEX®, and For Tec E®
  • Markets: EMEA, APAC, Americas
  • Employees: 660

Download press release

In our media package you will find comprehensive information, graphics and pictures on the subject.

14.09.2022 MEDIA PACKAGE FOR Amplifying car audio performance with TPE compounds

Latest News

Safe and Ergonomic TPE Solutions for Modern Wheelchair Design
04.11.2025 Safe and Ergonomic TPE Solutions for Modern Wheelchair Design How can medical-grade TPEs enhance wheelchair design? KRAIBURG TPE’s medical-grade TPE offers soft-touch comfort, strong adhesion, color customization, and certified safety, supporting both user well-being and efficient manufacturing. read more
With its FR3 compounds, KRAIBURG TPE is setting new standards for meeting the highest fire safety requirements
29.10.2025 With its FR3 compounds, KRAIBURG TPE is setting new standards for meeting the highest fire safety requirements With the new FR3 series, KRAIBURG TPE has now developed the third generation of compounds for use in environments that place the highest demands on fire protection. All requirements of the European standard for railway applications DIN EN 45545-2 have been met. In addition to their fire protection properties, TPE compounds in the FR3 series have other material properties that make them ideal for use in demanding environments, such as very good compression set values and improved tear resistance. Since power cables are often installed with multi-component plastic parts, excellent PP adhesion and processing in standard injection molding and extrusion processes are also important. read more
Sustainability Meets Function in Car Storage Tray Design
28.10.2025 Sustainability Meets Function in Car Storage Tray Design Want to declutter your car with durable, stylish trays that deliver high performance for safer, cleaner interiors? KRAIBURG TPE’s GRS-certified materials feature over 70% recycled content, low emissions, and soft-touch, non-slip surfaces that combine sustainability with performance. read more
Trusted and Food-Safe TPE Solutions for Coffee Makers
21.10.2025 Trusted and Food-Safe TPE Solutions for Coffee Makers Looking for a food-safe TPE that’s durable, heat-resistant, and sticks strongly to PP for your coffee machine? Check out our article for more info. read more