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| Fabric Manufacturing Process |
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| To produce a fabric with precise mesh openings many manufacturing steps are necessary. Further steps follow in the fabrication to produce a customized solution for screen printing or filtration customers. |
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Raw material: Yarns are specially extruded for Sefar. The yarn diameter ranges from 25 µm (0.001inch) to 1mm (0.04 inch). |
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Warping: Yarns of identical length and tension are parallel-wound onto a warp beam. Over 60,000 yarns can be would onto a single beam. |
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Drawing-in: Preparing the weave patterning system is a time intensive task that must be accomplished with 100% accuracy. Over 60,000 threads can be precisely spaced in as little as 30 µm (0.0012'') increments. |
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Weaving: Computer controlled looms ensure precise placement of fibres within microns of each other. Weaving looms widths ranges between 1m (3.3 ft.) and 4 m (13 ft.). One loom can generate up to 280 wefts per minute, what results in up to 16.8 million of precise mesh openings per minute (280 wefts/min. x 60,0000 threads). Threads are woven in an extensive array of patterns and material widths. |
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Finishing: Woven material is individually treated for final product applications. Fabrics are washed to meet specific industry standards and heat stabilized to set material properties. The fabric may then undergo surface treatments like calendring, coating, dyeing or plasma treatments. Final opening size is controlled by microscopic online mesh count measurement. |
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Packing: Roll goods are prepared for shipment or are used to produce a customized solution in the fabrication. |
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| To produce customer specific solutions the fabric undergoes additional process steps. The various solutions per application or industry are described under Printing and . |
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