Plug and Wear now sell “Nm10/3 conductive yarn, 80% polyester 20% stainless steel, light gray, 1 Kg cone, 3333 m (3646 yds). Perfect for knitted strain sensors. First delivery: September 2010.” Price: 75 Euro + shipping!!!

>> http://www.plugandwear.com/default.asp?mod=product&cat_id=105&product_id=213

This post was originally intended for all those interested in committing to purchase a spool or more of Schoeller conductive yarn - great for knitting pressure and stretch sensors!

If you are interested in purchasing one or more cones of Schoeller conductive yarn please fill out the following form (no obligations!):
>> http://spreadsheets.google.com
If you have any problems filling out the form, please email us at diy@kobakant.at. THANKS!

Schoeller Conductive Yarns

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). This means that the minimum order of 30kg would cost us individuals roughly:

1kg cone Nm10/3 80% Polyester, 20% Inox steel fiber (=3,333 meters) >> (36×30+900)/30 euro = 66 euro + 23 euro (*35%) = 90 euro + shipping
1kg cone Nm50/2 Polyester, 40% Inox steel fiber (=25,000 meters) >> (65×30+900)/30 euro = 95 euro + 33 euro (*35%) = 130 euro + shipping
1kg cone Nm50/2 80% Polyester, 20% Inox steel fiber (=25,000 meters) >> (40.25×30+900)/30 euro = 70.25 euro + 25 euro (*35%)
= 95 euro + shipping

* 35% profit for re-distributor
International shipping for 1kg cone = coming soon…

EXAMPLES

Things that can be made from the Schoeller yarns:
Knit stretch sensors >> http://www.kobakant.at/DIY/?p=1762
Crochet tilt potentiometer >> http://www.kobakant.at/DIY/?p=1843
Crochet pressure sensor >> http://www.kobakant.at/DIY/?p=1856
Crochet button >> http://www.kobakant.at/DIY/?p=1927
Circular knit stretch sensor >> http://www.kobakant.at/DIY/?p=2108
Circular knit Inflation sensor >> http://www.kobakant.at/DIY/?p=1996
Crochet finger sensor >> http://www.kobakant.at/DIY/?p=2149

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