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Warp-knitted, burnt-out fabrics produced on an HKS 4 for manufacturing saris Learn more

 The burn-out technique has become well established for use in the all-over patterning of large areas of textiles. In the field of window fashions in particular, the furnishing fabrics are widely used as an in-between between transparent net curtains and heavy drapes.

Woven and warp-knitted textiles are basically suitable for processing by this technique, which is similar to screen printing. Warp-knitted burnt-out fabrics can be produced very efficiently and are generally more supple than the woven versions – characteristics that have been generating a strong demand for them from sari producers for some time now.

An example of a burnt-out, warp-knitted textile is shown here. The decorative textile features oriental pattern motifs in a filigree construction, which were placed all over the lightweight ground – a traditional sari design produced on a high-tech machine. An HKS 4 in a gauge of E 28 was used to produce it.

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The decorative textile features oriental pattern motifs in a filigree construction, which were placed all over the lightweight ground.

Production Details

Ground guide bars GB 2 to GB 4 of th high-speed tricot machine HKS 4 produced a marquisette ground, into which ground guide bar GB 1 worked a tricot construction.

The underlap of the tricot construction was therefore placed on the upper side of the fabric. By using the different yarns – polyester monofilaments of 22 dtex in GB 2 to GB 4 and viscose of dtex 67 f 24 in GB 1 - the dense, non-stretch, warp-knitted textile was decorated in a subsequent finishing stage using a screen and etching paste. In this process, which is known as the burn-out technique, the viscose is removed as required to create the intended design. The result is a semi-transparent fabric, on which the pattern elements, with their delicate shimmer and sharp contours, protrude slightly three-dimensionally from the surface.

The viscose yarns used can be processed on the HKS 4 without any problems. When using these yarns, which are made from regenerated cellulose, the machine can reach speeds of 1,200 min-1.

Model of the HKS 4 range from KARL MAYER

This look can be varied by using a tulle ground lapping, which can be worked on a high-speed tricot machine with three guide bars. The burnt-out fabrics produced by using the HKS 3-M are lighter and more delicate, and are therefore also more unstable than the higher-quality version based on marquisette.

Discover more about the possibilities for producing trendy sari fabrics at KARL MAYER’s TEXTILE INNOVATION CENTER: TIC@karlmayer.com

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