Originally Posted by Ramblinrev
I have had the Amsteel Blue slip its knots a number of times. I have taken to leaving quite long tails or melting the daylights out of the stuff. In fact, I am considering whipping critical knots to keep them from slipping. I like the amsteel for its weight and strength, but it can be a bear to keep a knot in.
I've had similar experience with other single braid dyneema cord. But my trusty bowline has always held OK....that said, for safety I tie a stopper knot (e.g. figure-8) at the working end, just in case.