Our broad portfolio of engineered yarns is used in a wide range of applications. Most of our technical yarns are customized to meet the requirements of certain downstream processes and end uses.
Textile yarns are often used as reinforcement materials in rubber products. In textile reinforced rubber products, the textile yarn provides properties such as tensile strength and stiffness. For rubber applications, we treat our yarns with RFL dips (Resorcinol Formaldehyde Latex) or with our RF-free MSA treatment (Mehler Sustain Adhesive) to achieve the required level of adhesion between the specific type of rubber and the specific type of yarn.
Beyond the wide product field of engineered yarns for rubberized products, we also produce customized untreated engineered yarns and specialty yarns for niche markets.

For more technical informaiton on our feasibilities, take a look at our datasheets:
Technical Datasheets Engineered Yarns

Discover our complete range of engineered yarns:

Soft cords are made from raw yarns based on polyamide, polyester, aramid, polyvinyl alcohol (PVA) and rayon. The raw yarns are twisted or threaded and dipped in water-based substrates to achieve adhesion to various rubber mixtures. Offered water-based treatments are the RF-free treatment technology MSA (Mehler Sustain Adhesive), or traditional RFL (Resorcin Formaldehyd Latex) dips. Demanding adhesion requirements may request an additional pre-dip in advance.
Soft cords are characterized by soft haptics and low stiffness.
The finished soft cords are mainly used in tires, hoses, air springs, rubber couplings or seals & profiles. For example, soft cords for tire cords reinforce the tire structure and are designed to maintain their functionality under changing conditions and over the entire lifetime of a tire.
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Explore some constructions of our soft cords below.

Stiff cords are twisted yarns made of raw yarns polyamide, polyester, aramid and also carbon, glass or polymers like rayon or PVA. After twisting, the threads are impregnated with solvent-free or solvent-based treatments to generate stiffness or cut resistance. In this step, filaments of the single yarn are glued into the twisting system. The second impregnation step is a water-based RFL-dip to achieve sufficient adhesion between the cords and various rubber types. For some high-performance applications, an additional overcoating (OC) step may be used, e.g. to withstand greater dynamic forces or to create additional adhesion.

Stiff cords are mainly used for V-belts, timing belts and other drive belt applications.
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Explore some constructions of stiff cords below.

All ‘non-traditional’ yarns fall into this group. They are usually based on high-performance materials and/or on highly specialized production processes. Examples for raw materials are carbon, mineral fibers, ultra-high-molecular-weight polyethylene (UHMWPE), monofilaments and hybrids. Typical applications include cables, ropes, nets, geotextiles and medical applications.
In addition, we offer a variety of treatment and coating options to produce engineered yarns with tailored functionality such as optimized friction, high flame-retardance as well as temperature- and UV-resistance. We can also stiffen high-module filaments and fix them in tape form.

Explore some constructions of our specialty yarns below.

Our untreated yarns are neither treated nor impregnated. They are simply twisted as yarn or thread on special threading machines. They are used to manufacture products such as ropes, nets, geotextiles, hoses or cleaning threads.
Our MEHLERPLAST® is a 2-component yarn with an elastic core and a cotton cover to produce cord fabrics for tire manufacturers.
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Explore some constructions of our untreated yarns below.