The experiment results of carbon paint painted on various stretchy fabrics. It shows resistance difference when stretched. The paints are applied by simple stencil method with sticky tapes.



#ST20111
1: Conductive Paint (graphite) 1 layer, on white cotton jersey.
original position: 18M ohm
stretched position: –
#ST20112
2: Conductive Paint (graphite) 2 layers, on white cotton jersey.
original position: 0.6M ohm
stretched position:3M ohm
after stretching:1.2M ohm

#ST20211
3: Conductive Paint (graphite) 2 layers, on off-white cotton jersey.
original position: 84k ohm
stretched position: 500k ohm
after stretching:190k ohm
#ST20212
4: Conductive Paint (graphite) 1 layer, on off-white cotton jersey.
original position: 90k ohm
stretched position:470k ohm
after stretching:270k ohm
(390k ohm resistor as pull up for testing)

#ST20311
1: Conductive Paint (graphite) 1 layer, on off-white cotton fabric (slightly stretchy on horizontal direction)
original position: 200k ohm
stretched position: 1.25M ohm
after stretching:660k ohm
#ST20312
2: Conductive Paint (graphite) 2 layers, on off-white cotton fabric (slightly stretchy on horizontal direction)
original position: 280k ohm
stretched position:830k ohm
after stretching:570k ohm

#ST20411
1: Conductive Paint (graphite) 1 layer, on white cotton fabric (slightly stretchy on horizontal direction)
original position: 19k ohm
half way stretched position: 30k ohm
full stretched position: 25k ohm
after stretching:25k ohm
#ST20412
2: Conductive Paint (graphite) 2 layers, on white cotton fabric (slightly stretchy on horizontal direction)
original position: 56k ohm
half way stretched position: 70k ohm
full stretched position: 55k ohm
after stretching:61k ohm

#ST2012
Stencil pattern print with Conductive Paint (graphite) on white cotton jersey (1 layer)
original position: 24k ohm
half way stretched position: 47k ohm (horizontal stretch)
full stretched position: 24k ohm(horizontal stretch)
half way stretched position: 42k ohm (vertical stretch)
full stretched position: 24k ohm (vertical stretch)

#ST2022
Stencil pattern print with Conductive Paint (graphite) on off-white cotton jersey (1 layer)
original position: 1.2M ohm
half way stretched position: 3.0M ohm (horizontal stretch)
full stretched position: 2.0M ohm(horizontal stretch)
full stretched position: 2.0M ohm (vertical stretch)