Originally Posted by craige
I have this stuff... it's great, very slippery though, and quite difficult (for me) to splice. 300kg (660#) I put it next to a ruler and it looks more like 1mm than 1.5mm.
If it is 1mm, then it certainly cannot have the breaking strength you report or the weight reported elsewhere. At 1mm rather than 1.5mm, its volume and therefor strength is 1 /(1.5**2) = 1 / 2.25 ~ 45% the strength.