Taulman may have something that meets your specifications:
T-lyne comes at a 65D durometer: http://taulman3d.com/t-lyne-spec.html
There is also PCTPE: PCTPE Features
Or the proven Ninjaflex filament at about 30D / 85A hardness.
Taulman may have something that meets your specifications:
T-lyne comes at a 65D durometer: http://taulman3d.com/t-lyne-spec.html
There is also PCTPE: PCTPE Features
Or the proven Ninjaflex filament at about 30D / 85A hardness.