#Composites

2019-10-13

Chomarat creates the fabrics for a super light car’s underbody part

Chomarat Group’s composite reinforcements will be featured at the KraussMaffei stand during the next KMesse in Düsseldorf. Chomarat has created a glass reinforcement adapted to the mass production of automotive parts, helping to lighten leaf springs by 60% compared to metal.

AUTOMOTIVE: PRODUCING 60% LIGHTER LEAF SPRINGS FOR CAR’s UNDERBODY

The new leaf springs made of composites are 60% lighter than their pendants made of steel thanks to KraussMaffei process and the involvement of a network of partners, including Chomarat with G-PLY™ glass reinforcement. Their strength can be deliberately increased in sections where it is required and the corrosion resistance offers further added value.

"We created the fabrics, when Engenuity developed the component, Huntsman supplied the matrix system made of epoxy resin, Johns Manville supplied the glass fibers, Schmidt & Heinzmann manufactured the preforms, Alpex designed the RTM mold and Hufschmied (Bobingen, Germany) took charge of post-mold processing of the component by milling. KraussMaffei has taken over the project management for Hengrui and coordinates the project with the partners”, Francisco De Oliveira at Chomarat explains.

G-PLY™: THE REINFORCEMENT MADE FOR HIGH SPEED PRODUCTION

The stitched UD glass developed for the project is adapted to the HP-RTM process (high pressure resin transfer molding) used to produce the leaf spring with high weight content of glass fiber. This design of the fabric offers an improved permeability that allows the resin flow through the multiple plies of the preforms.

“This new reinforcement includes a binder to allow preform stability and automatization onto the cutting and stacking processes. Chomarat strengthens its developments for the automotive industry by offering a new generation of reinforcements, usable in short cycle time process”, Francisco De Oliveira pursues.

Don’t miss the live demos at K2019 – Hall 15, Booth C24-C27

textile.4U publishes special edition “Top 100 Textile Recycling Companies 2025”

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Francois Guetat joins Suominen as COO

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From concept to stage: Submit presentations for the Techtextil Forum and Texprocess Forum 2026 now

Anyone who wants to contribute to shaping the future of the textile industry can submit a presentation for the Techtextil and Texprocess Forum by 15 December 2025. Both stages represent innovation and practical solutions and promote exchange between research and industry. An international Programme Committee selects the contributions and curates a programme on key future topics in the textile sector. From 21 to 24 April 2026, the two leading trade fairs will once again be the centre of global business dialogue in Frankfurt.