Veröffentlichung: 09. September 2025 Zuletzt aktualisiert: 03. September 2025

Unlocking Advanced Functionality for Smart Locks with Light Effect TPE


How can smart locks, automotive interiors, and consumer electronics combine performance with style? With KRAIBURG TPE’s Light Effect TPE—durable, flexible, soft-touch, and light-transmissible for intuitive illuminated features.

Smart lock systems are electronic alternatives to mechanical locks, operating without physical keys. They use technologies like PIN codes, fingerprint recognition, RFID cards, Bluetooth or Wi-Fi, and voice control to provide secure, convenient, and remote access in homes, offices, apartments, and vehicles. To make operation more intuitive, manufacturers use thermoplastic elastomers (TPE), which simplify functions, improve control surfaces, and enhance visibility in low light, while keeping the locks reliable and easy to use.

KRAIBURG TPE, a global manufacturer of TPEs and customized solutions for various industries, offers Light Effect TPE, a light-transmissible material that creates an ambient glow. It combines aesthetics with performance and is suited for smart home devices, automotive interiors, and other electronic applications.

Illuminating features for function and style
KRAIBURG TPE’s Light Effect TPE is tailored for components that emit light, providing subtle backlighting and illuminated indicators to enhance user engagement and device intuitiveness. It allows soft, diffused light to pass through, making it ideal for lighting keypads, buttons, or keyholes in low light, signaling lock status, marking touch-sensitive areas, and adding lighting accents. Available in black and colored variants, it gives designers control over illumination levels for both functional and aesthetic purposes.

Reliable performance and versatile applications
KRAIBURG TPE’s Light Effect TPE compounds have a density of 0.89 ± 0.03 g/cm³, a hardness of 60 ± 5 ShA, and offer a tensile strength of 10 MPa with 700% elongation, providing the flexibility and durability needed for demanding applications. The material is weather-resistant, UV-resistant, halogen-free (in accordance with IEC 61249-2-21), and maintains its performance and shape throughout its service life. It bonds well with polypropylene (PP), making it suitable for smart lock systems, interior car lighting, light panel covers, gaming accessories, display panels, household appliances, consumer electronics, and smart home devices. It can also be reused during production to promote a more sustainable manufacturing.

Soft touch for precision and control
KRAIBURG TPE’s Light Effect TPE has a soft-touch surface that gives smart lock devices a high-end, tactile finish. When used on frequently handled components, it improves comfort and control, resulting in smoother operation and a more polished device interface.

Sustainability from the get-go
At KRAIBURG TPE, sustainability is at the heart of our innovation. Our portfolio features bio-based TPEs and compounds with post-consumer (PCR) and post-industrial (PIR) recycled content. Selected TPEs carry GRS and ISCC PLUS certifications. We also provide Product Carbon Footprint (PCF) data on request to support sustainability decisions.

We have proudly earned the EcoVadis Gold Medal in 2025 and are committed to the Science Based Targets initiative (SBTi), aligning our goals with global climate action.

From reducing emissions to increasing circularity, our sustainable TPEs deliver dependable performance and are available worldwide to help meet your applications while advancing your sustainability goals.

Get in touch today to explore how KRAIBURG TPE is able to support you on your sustainability and product development journey.
Disclaimer: The applications mentioned are illustrative of material capabilities only. Final product suitability and regulatory compliance must be assessed and validated by the customer.

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