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Warp Knitting/​Crochet

Karl Mayer drives technical textiles growth

Innovative warp knitting solutions for filtration and construction at ITMA ASIA 2025.

20th October 2025

Knitting Industry
 |  Obertshausen, Germany

Technical Textiles

Karl Mayer Technical Textiles will present advanced textile solutions for filtration and construction at ITMA ASIA + CITME 2025 in Singapore. The company’s composite and warp knitting machines with weft insertion demonstrate how technical textiles can unlock new business opportunities and deliver sustainable performance across diverse industrial sectors.

At stand A301 in Hall 5 of the Singapore EXPO, the focus will be on two areas where textile innovation is driving progress: filtration and construction.

In the field of filtration, Karl Mayer’swarp knitted hollow fibre mats are based on the membrane principle, enabling gases and impurities to pass across the fibre surfaces while the feed medium flows through. These textiles are used in a wide variety of applications - from beer brewing and ink degassing to ultrapure water treatment and medical dialysis - ensuring purity, efficiency and reliability.

Hollow fibre mat. © Karl Mayer

The Wefttronic II RSP Weft Raschel machine plays a key role in producing these mats. Designed for delicate yarns, it achieves stitch densities of up to 25 M/cm with minimal yarn tension, ensuring hollow fibres remain intact and evenly spaced. This results in superior filter quality and flow rates, offering exceptional performance and durability in demanding filtration systems.

In construction, Karl Mayer’swarp knitting machines with weft insertion - such as the Wefttronic II G - produce high-performance geogrids used to reinforce roads, prevent cracking and rutting, and stabilise slopes. These power textiles replace heavy, corrosion-prone steel reinforcements with lightweight, durable alternatives that can be installed with minimal environmental disruption.

Textiles are also transforming building reinforcement. Non-crimp fabrics and warp knitted grids reduce the need for steel in concrete, cutting CO₂ emissions and extending the lifespan of structures. The Weft Grid Eco machine enables efficient production of warp knitted plaster grids with minimal yarn waste and outputs up to 17 times higher than traditional weaving systems.

Plaster grid. © Karl Mayer

For roofing applications, warp knitted coating carriers produced on the Wefttronic II RS provide flexibility, strength and weather resistance. Their UV-reflective properties help reduce solar heat absorption, contributing to lower energy consumption in buildings.

Roofing textile. © Karl Mayer

With these innovations, Karl Mayerreinforces its position as a key driver of sustainable, high-performance textile technologies for industrial applications.

www.karlmayer.com

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