Just to be sure your results are correct, have you "calibrated" your DMM, meaning measured its residual resistance? Put DMM in ohm mode, join the two...
Thanks for that. Whatever they are Stage Accompany seem to want to call them ribbons. No matter , the do fit with our Estonian friends' requirements...
Hm, I think if I could get the 12-18 year material, I'd start there and maybe try to measure my way to the right foam compression level. Long process...