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    Content by Mika Satomi and Hannah Perner-Wilson


    Hannah is currently a graduate student in the MIT Media Lab's
    High-Low Tech research group


    Supported by Distance Lab
    Conductive Materials

    Conductive Yarns

    also see: collective purchase, conductive thread

    Schoeller Wool

    Schoeller (based in Austria) offers some really nice conductive yarns. We have received samples of their Nm %Inox steel fiber and %PET yarns which all have interesting resistive properties that change (decrease) when stretched or pressured. All yarns are great for both hand and machine knitting. We are currently using them to make stretch and pressure sensors as well as crochet potentiometers. Nm 10/3 is a nice thick yarn, their Nm 50/2 yarns are much thinner and have slightly higher resistance and can be torn easily, but when knitted together with another yarn are very stable sensors.

    PRICES
    - Nm 10/3 80% Polyurethane, 20% Inox steel fibre @ Euros 36.00/kg (3,333 metres/kg)
    - Nm 50/2 60% Polyurethane, 40% Inox steel fibre @ Euros 65.00/kg (25,000 metres/kg)
    - Nm 50/2 80% Polyurethane, 20% Inox steel fibre @ Euros 40.25/kg( 25,000 metres/kg)
    - Nm 25/1 100% Inox steel fibre @ Euros 145.00/kg (25,000 metres/kg)

    The minimum order is 300kg but they have offered a 30kg “mini”-minimum order, which comes with a 900 Euro surcharge (that can be redeemed upon later orders).

    The yarns can also be ordered from their UK distributor, but at the same prices as mentioned above. Contact: sales@cedickinson.co.uk

    IMAGES
    The cones in these photos are sample cones, so they are smaller than a 1kg cone!

    Nm 10/3 80% Polyurethane, 20% Inox steel fibre


    Nm 50/2 60% Polyurethane, 40% Inox steel fibre

    Nm 50/2 80% Polyurethane, 20% Inox steel fibre

    Nm 25/1 100% Inox steel fibre

    Wera Tech

    Wera is a New Zealand based company that produces conductive yarn that is pretty much identical to the Schoeller yarn. They also use Inox steel fiber, but mixed with Laine instead of Polyester - Nm 20/2 70% Laine, 30% Inox. The other sample i have from them is called Tex 100/2 BL Trial, SH Undyed.
    >> www.weratech.com

    Nm 20/2 70% Laine, 30% Inox

    Tex 100/2 BL Trial, SH Undyed

    2 Comments so far

    1. Making Things Interact Fall 09 on October 1st, 2009

      [...] Schoeller Conductive Yarns [...]

    2. ashwani on June 19th, 2010

      can we have the address and other details of manufacturer of these kind of yarns.

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