HC40 conductive thread in 2500M cone

Madeira HC40 conductive thread is now available in cones of 2500 metres. HC40 is in a cone of 2500 metres a finer conductive thread ideal for delicate work or conductive gloves.  We also have the HC12 this is a thicker thread in 150M cone or 1000M.  The conductive threads both have really good conductivity.

Madeira threads offer “High wear resistance and excellent stability. The specific manufacturing process results in a durable pure silver plating around ever single filament. The silver plating of each fibre guarantees optimum conductivity which is required especially at contact points.

Maderia’s advice for their conductive thread.

  • Either a top thread or under thread
  • It is vital that there’re are no breaks in the conductive thread, ensure the stitching does not make contact with any other stage in the circuit. Stitching should be done in parallel ensuring all positive terminals are connected to a positive and a negative terminals to negative.
  • If the thread breaks or loosely stitched area could lead to contact failure. Strictly adhere to the wiring guidelines to ensure a successful circuit. Test the stitched circuit prior to completing the finished project.
  • Resistance ratings are used to calculate voltage drop over a certain distance, in basic terms means a higher resistance means a dimmer LED built, especially when multiple LED’s are used over a long distance.
  • The resistance rating for Maderia HC thread are as follows
    HC12 – Resistance:<100/Ωm
    HC40 – Resistance: <300/Ωm
    Maximum number of LED’s per battery 5.
  • Wash item inside out, place in a laundry bag. Gentle cycle 30 degrees using a mild detergent. Do not use disinfectant, bleach or chlorine. This will damage the silver coating causing thread to loose its conductivity. Do not tumble dry or iron, not suitable for dry cleaning. Always remove the battery.

Data sheets are available on request.


Conductive thread


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