How to make web fluid that you can swing on

Technically yes. There is ways to make compact substances that would solidify when in contact with the air and that stick to things and enable the user to pull items towards themselves. However. One of the main problems would be how to stop the substance from solidifying instantly and clogging the web shooter.

No in order for that to happen, one has to create mechanical web shooters on the wrists with web fluid in them and until that happens, no it's not possible.