11lbs per inner strand seems very low to me, both from personal experience and from what I have read. I did a quick search online and found this:
True Para Cord is constructed of an outer sheath which houses 7 inner strands. Each inner strand is 50 pound test, and the outer sheathing is rated at about 200 pounds. As such, in an emergency situation, if more string were needed, one can remove the inner strands, and the outer sheathing will still serve admirably as shoelaces. If your bootlaces are each about 3 feet long, then you would be able to gain more than 40 feet of string from the laces if needed. Not bad, eh? Make sure that what you get has 7 inner strands, and is 550 lb test!
This sounds more along the lines of what I have experienced.
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