Caution, boating related:

https://gcaptain.com/learn-why-not-all-hmpe-is-the-same/

We've been using Amsteel Blue for certain applications on the boat
that require high strength, low stretch and durability. It's great
stuff. It's lighter than water so it floats - ideal for towing things
like dinghies. We get ours from Defender Industries in Connecticut.